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<p style="text-align:center;margin-bottom:1pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">As filed with the Securities and Exchange Commission on May 7, 2020</p>
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<p style="text-align:center;margin-top:4pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">UNITED STATES </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION </p>
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<p style="text-align:center;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">FORM S-8&#160;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">REGISTRATION STATEMENT </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;color:#000000;font-family:Times New Roman;font-size:12pt;text-transform:none;font-variant: normal;">UNDER </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;color:#000000;font-family:Times New Roman;font-size:12pt;text-transform:none;font-variant: normal;">THE SECURITIES ACT OF 1933 </p>
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<p style="text-align:center;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:24pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Mirum Pharmaceuticals, Inc. </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Exact name of registrant as specified in its charter) </p>
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<p style="text-align:center;margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Identification No.)</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">950 Tower Lane, Suite 1050</p>
<p style="text-align:center;margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Foster City, California</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">94404</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Address of Principal Executive Offices)</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Zip Code)</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2019 Equity Incentive Plan</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2019 Employee Stock Purchase Plan</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2020 Inducement Plan</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:8pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Full titles of the plans) </p>
<p style="margin-bottom:2pt;border-bottom:Solid 1pt #000000;padding-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:6pt;">&nbsp;</p>
<p style="text-align:center;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Christopher Peetz</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">President and Chief Executive Officer </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Mirum Pharmaceuticals, Inc.  </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">950 Tower Lane, Suite 1050</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Foster City, California 94404</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(650) 667-4085</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Name, address, including zip code, and telephone number, including area code, of agent for service) </p>
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<p style="text-align:center;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-style:italic;color:#000000;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Copies to: </p>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Jason L. Kent</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Alexa M. Ekman</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Cooley LLP</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">4401 Eastgate Mall</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">San Diego, California 92121</p>
<p style="text-align:center;margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(858) 550-6000</p></td>
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<p style="text-align:justify;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU2"></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of </font><font style="color:#000000;">&#8220;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">large accelerated filer,</font><font style="color:#000000;">&#8221;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font><font style="color:#000000;">&#8220;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">accelerated filer,</font><font style="color:#000000;">&#8221;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font><font style="color:#000000;">&#8220;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">sma</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">ller reporting company,</font><font style="color:#000000;">&#8221;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> and </font><font style="color:#000000;">&#8220;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">emerging growth company</font><font style="color:#000000;">&#8221;</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> in Rule 12b-2 of the Exchange Act. </font></p>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
</tr>
<tr style="height:4.35pt;">
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Non-accelerated filer</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9746;<font style="font-family:Times New Roman;color:#000000;"> </font></p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Smaller reporting company</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:6pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9746;</p></td>
</tr>
<tr style="height:4.35pt;">
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Emerging growth company</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9746;</p></td>
</tr>
</table></div>
<p style="text-align:justify;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. <font style="color:#000000;font-family:Segoe UI Symbol;">&#9746;</font></p>
<p style="text-align:center;margin-bottom:2pt;border-bottom:Solid 1pt #000000;padding-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:10pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">CALCULATION OF REGISTRATION FEE </p>
<div>
<table border="0" cellspacing="0" cellpadding="0" align="center" style="border-collapse:collapse; width:auto;">
<tr>
<td style="width:36.88%;"></td>
<td style="width:16.35%;"></td>
<td style="width:15.98%;"></td>
<td style="width:16.9%;"></td>
<td style="width:16.2%;"></td>
</tr>
<tr>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Title of Securities</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">To Be Registered</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Amount to be Registered<sup style="font-size:85%;line-height:120%;vertical-align:top">(1)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Proposed Maximum Offering Price Per Share</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Proposed Maximum Aggregate Offering Price</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Amount of Registration Fee</p></td>
</tr>
<tr>
<td valign="top"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2019 Equity Incentive Plan</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Common Stock, $0.0001 par value per share</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1,149,499<sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">2</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">16.95</font><sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">5</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">19,484,008</font><sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">5</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$2,530</p></td>
</tr>
<tr>
<td valign="top"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2019 Employee Stock Purchase Plan</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Common Stock, $0.0001 par value per share</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">229,899<sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">3</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">14.41</font><sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">6</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">3,312,845</font><sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">6</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">431</font></p></td>
</tr>
<tr>
<td valign="top"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2020 Inducement Plan</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Common Stock, $0.0001 par value per share</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">185,000<font style="color:#000000;"><sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">4</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></font></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">16.26</font></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$3,008,100</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$391</p></td>
</tr>
<tr>
<td valign="top"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">2020 Inducement Plan</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Common Stock, $0.0001 par value per share</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">565,000</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$16.95<sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">5</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">9,576,750</font><sup style="font-size:85%;line-height:120%;vertical-align:top">(</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">5</sup><sup style="font-size:85%;line-height:120%;vertical-align:top">)</sup></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">1,244</font></p></td>
</tr>
<tr>
<td valign="top"  style=" border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Total</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,129,398</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">N/A</p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$<font style="color:#000000;">35,381,703</font></p></td>
<td valign="bottom"  style=" border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$4,596</p></td>
</tr>
</table></div>
<div align="left">
<table border="0" cellspacing="0" cellpadding="0"  style="border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:3.85%;white-space:nowrap">
<p style="margin-top:10pt;margin-bottom:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(1)</font></p></td>
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<p style="margin-top:10pt;margin-bottom:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), this Registration Statement shall also cover any additional shares of common stock (&#8220;Common Stock&#8221;) of Mirum Pharmaceuticals, Inc. (the &#8220;Registrant&#8221;) that become issuable under the Registrant&#8217;s 2019 Equity Incentive Plan (the &#8220;2019 Plan&#8221;), the Registrant&#8217;s 2019 Employee Stock Purchase Plan (the &#8220;2019 ESPP&#8221;) and the Registrant&#8217;s 2020 Inducement Plan (the &#8220;2020 Inducement Plan&#8221;) by reason of any stock dividend, stock split, recapitalization or other similar transaction.</p></td></tr></table></div>
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<p style="margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(2)</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Represents shares of Common Stock that were added to the shares available for issuance under the 2019 Plan on January 1, 2020 pursuant to the automatic increase feature of such plan, which provides that the number of shares reserved for issuance under the 2019 Plan will automatically increase on January 1st of each year, for a period of not more than ten years, commencing on January 1, 2020 and ending on (and including) January 1, 2029, in an amount equal to the lesser of (i) 5% of the total number of shares of the Registrant&#8217;s capital stock outstanding on December 31st of the preceding calendar year and (ii) a number of shares of Common Stock designated by action of the Registrant&#8217;s board of directors prior to the applicable January 1st.</p></td></tr></table></div>
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<p style="margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(3)</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Represents shares of Common Stock that were added to the shares available for issuance under the 2019 ESPP on January 1, 2020 pursuant to the automatic increase feature of such plan, which provides that the number of shares reserved for issuance under the 2019 ESPP will automatically increase on January 1st of each year, for a period of not more than ten years, commencing on January 1, 2020 and ending on (and including) January 1, 2029, in an amount equal to the lesser of (i) 1% of the total number of shares of the Registrant&#8217;s capital stock outstanding on December 31st of the preceding calendar year, (ii) 1,500,000 shares of Common Stock and (iii) a number of shares of Common Stock designated by action of the Registrant&#8217;s board of directors prior to the applicable January 1st.</p></td></tr></table></div>
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<p style="margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(4)</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><a name="_AEIOULastRenderedPageBreakAEIOU3"></a>Represents shares of Common Stock reserved for issuance upon the exercise of outstanding options granted </p></td></tr></table></div>
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<p style="margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">under the </font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2020 Indu</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">cement</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> Pla</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">n at an exercise price of $16.26</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> per share.</font></p></td></tr></table></div>
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<p style="margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(5)</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rules 457(h) and 457(c) of the Securities Act. The proposed maximum aggregate offering price per share and proposed maximum aggregate offering price are calculated using the average of the high and low prices of the Common Stock as reported on the Nasdaq Global Market on May 5, 2020.</p></td></tr></table></div>
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<p style="margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(6)</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rules 457(h) and 457(c) of the Securities Act. The proposed maximum aggregate offering price per share and proposed maximum aggregate offering price are calculated using the average of the high and low prices of the Common Stock as reported on the Nasdaq Global Market on May 5, 2020, multiplied by 85%.&#160;</p></td></tr></table></div>
<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU4"></a><br /></p>
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<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-weight:bold;font-size:10pt;">PART I</font></p>
<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS </p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The information called for by Part I of Form S-8 is omitted from this Registration Statement in accordance with Rule 428 of the Securities Act and the instructions to Form S-8. In accordance with the rules and regulations of the Securities and Exchange Commission (the &#8220;Commission&#8221;) and the instructions to Form S-8, such documents are not being filed with the Commission either as part of this Registration Statement or as prospectuses or prospectus supplements pursuant to Rule 424.</p>
<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">PART II </p>
<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT </p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 3.<font style="margin-left:36pt;">Incorporation of Documents by Reference.</font></p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Registrant hereby incorporates by reference into this Registration Statement the following documents previously filed by the Registrant with the Commission: </p>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(a)</font></p></td>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">The Registrant&#8217;s Annual Report on <a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020010471/mirm-10k_20191231.htm"><font style="text-decoration:underline;">Form 10-K</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">, filed with the Commission on March 12, 2020; </font></p></td></tr></table></div>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(b)</font></p></td>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">The Registrant&#8217;s Definitive Proxy Statement on <a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020019713/mirm-def14a_20200611.htm"><font style="text-decoration:underline;">Schedule 14A</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> filed with the Commission on April 29, 2020;</font></p></td></tr></table></div>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(c)</font></p></td>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">The Registrant&#8217;s Quarterly Report on <a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020022856/mirm-10q_20200331.htm"><font style="text-decoration:underline;">Form 10-Q</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">, filed with the Commission on May 7, 2020;</font></p></td></tr></table></div>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(d)</font></p></td>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">The Registrant&#8217;s Current Report on <a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312520007165/d845898d8k.htm"><font style="text-decoration:underline;">Form 8-K</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">, filed with the Commission on January 14, 2020; and</font></p></td></tr></table></div>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(e)</font></p></td>
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<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">The description of the Registrant<font style="color:#000000;">&#8217;</font>s Common Stock contained in the Registrant<font style="color:#000000;">&#8217;</font>s Registration Statement on <a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519194022/d711354d8a12b.htm"><font style="text-decoration:underline;">Form 8-A</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> filed on July 15, 2019 (File No. 001-38981) under Section 12(b) of the </font><font style="color:#000000;">Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;)</font>, including any amendment or report filed for the purpose of updating such description.</p></td></tr></table></div>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">All documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference into this Registration Statement and to be a part hereof from the date of filing of such documents; provided, however, that documents or portions thereof that are furnished and not filed in accordance with the rules of the Commission shall not be deemed incorporated by reference into this Registration Statement. Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement herein or in any other subsequently filed document that also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so modified or superseded shall not constitute a part of this Registration Statement, except as so modified or superseded. </p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 4.<font style="margin-left:36pt;">Description of Securities.</font></p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Not applicable. </p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 5.<font style="margin-left:36pt;">Interests of Named Experts and Counsel.</font></p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Not applicable. </p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 6.<font style="margin-left:36pt;"></font>Indemnification of Directors and Officers.</p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU5"></a>The Registrant is incorporated under the laws of the State of Delaware. Section 145 of the Delaware General </p>
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<p style="margin-bottom:12pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Corporation Law (the &#8220;General Corporation Law&#8221;) </font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">authorizes a court to award, or a corporation&#8217;s board of directors to grant, indemnity to directors </font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">and officers in terms sufficiently broad to permit such indemnification under certain circumstances for liabilities, including reimbursement for expenses incurred, arising under the Securities Act. The Registrant&#8217;s amended and restated certificate of incor</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">poration permits indemnification of the Registrant&#8217;s directors, officers, employees and other agents to the maximum extent permitted by the </font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">General Corporation Law</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">, and the Registrant&#8217;s amended and restated bylaws provide that the Registrant will indemnify</font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> its directors and officers and permit the Registrant to indemnify its employees and other agents, in each case, to the maximum extent permitted by law. </font></p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">As permitted by the General Corporation Law, the Registrant has entered into indemnification agreements with each of its directors and officers, pursuant to which it has agreed to indemnify such persons against any and all costs and expenses (including attorneys&#8217;, witness or other professional fees) actually and reasonably incurred by such persons in connection with any action, suit or proceeding (including derivative actions), whether actual or threatened, to which any such person may be made a party by reason of the fact that such person is or was a director or officer or is or was acting or serving as a director, officer, employee or agent of the Registrant or any of its affiliated enterprises, provided that such director or officer acted in good faith and in a manner that the director or officer reasonably believed to be in, or not opposed to, the Registrant&#8217;s best interest.</p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">At present, there is no pending litigation or proceeding involving any of the Registrant<font style="color:#000000;">&#8217;</font>s directors or officers as to which indemnification is required or permitted, and the Registrant is not aware of any threatened litigation or proceeding that may result in a claim for indemnification. </p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Registrant maintains an insurance policy that covers its directors and officers with respect to certain liabilities, including liabilities arising under the Securities Act and the Exchange Act that might be incurred by any director or officer in his or her capacity as such. </p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 7.<font style="margin-left:36pt;">Exemption from Registration Claimed.</font></p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Not applicable.</p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 8.<font style="margin-left:36pt;"></font>Exhibits.</p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The exhibits to this Registration Statement are listed below:</p>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Exhibit</p>
<p style="text-align:center;margin-bottom:1pt;border-bottom:Solid 1pt #000000;padding-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Number</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:center;border-bottom:Solid 1pt #000000;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Description</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td colspan="2" valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4.1</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519202499/d780544dex31.htm"><font style="text-decoration:underline;">Amended and Restated Certificate of Incorporation of the Registrant (incorporated by reference to Exhibit 3.1 to the Registrant&#8217;s Current Report on Form 8-K (File No. 001-38981), filed with the Commission on July 25, 2019).</font></a></p></td>
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<td valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td colspan="2" valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<td valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td colspan="2" valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<tr style="height:3.4pt;">
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4.2</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519202499/d780544dex32.htm"><font style="text-decoration:underline;">Amended and Restated Bylaws of the Registrant (incorporated by reference to Exhibit 3.2 to the Registrant&#8217;s Current Report on Form 8-K (File No. 001-38981), filed with the Commission on July 25, 2019).</font></a></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4.3</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519189959/d730455dex41.htm"><font style="text-decoration:underline;">Form of Common Stock Certificate of the Registrant (incorporated by reference to Exhibit 4.1 to the Registrant&#8217;s Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).</font></a></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4.4</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519178671/d730455dex42.htm"><font style="text-decoration:underline;">Investors&#8217; Rights Agreement, dated November 5, 2018 (incorporated by reference to Exhibit 4.2 to the Registrant&#8217;s Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on June 21, 2019).</font></a></p></td>
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<tr style="height:3.4pt;">
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">5.1</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="mirm-ex51_6.htm"><font style="text-decoration:underline;">Opinion of Cooley LLP.</font></a></p></td>
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<tr style="height:3.4pt;">
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">23.1</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="mirm-ex231_7.htm"><font style="text-decoration:underline;">Consent of independent registered public accounting firm.</font></a></p></td>
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<td style="width:88.4%;"></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU6"></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">23.2</font></p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="mirm-ex51_6.htm"><font style="text-decoration:underline;">Consent of Cooley LLP (included in Exhibit 5.1).</font></a></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">24.1</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="#POA"><font style="text-decoration:underline;">Power of Attorney (included on the signature page).</font></a></p></td>
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<td valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td colspan="2" valign="middle"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<tr style="height:11.25pt;">
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.1</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519189959/d730455dex103.htm"><font style="text-decoration:underline;">Mirum Pharmaceuticals, Inc. 2019 Equity Incentive Plan (incorporated by reference to Exhibit 10.3 to the Registrant&#8217;s Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).</font></a></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.2</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519189959/d730455dex104.htm"><font style="text-decoration:underline;">Forms of grant notice, stock option agreement and notice of exercise under the Mirum Pharmaceuticals, Inc. 2019 Equity Incentive Plan (incorporated by reference to Exhibit 10.4 to the Registrant&#8217;s Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019). </font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.3</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519189959/d730455dex105.htm"><font style="text-decoration:underline;">Forms of restricted stock unit grant notice and award agreement under the Mirum Pharmaceuticals, Inc. 2019 Equity Incentive Plan (incorporated by reference to Exhibit 10.5 to the Registrant&#8217;s Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019). </font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.4</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:12pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519189959/d730455dex106.htm"><font style="text-decoration:underline;">Mirum Pharmaceuticals, Inc. 2019 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.6 to the Registrant&#8217;s Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).</font></a></p></td>
</tr>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.5</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020022856/mirm-ex101_34.htm"><font style="text-decoration:underline;">Mirum Pharmaceuticals, Inc. 2020 Inducement Plan (incorporated by reference to Exhibit 10.1 to the Registrant&#8217;s Quarterly Report on Form 10-Q (File No. 001-38981), filed with the Commission on May 7, 2020).</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font></p></td>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.6</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:10pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020022856/mirm-ex102_33.htm"><font style="text-decoration:underline;">Forms of grant notice, stock option agreement and notice of exercise under the Mirum Pharmaceuticals, Inc. 2020 Inducement Plan (incorporated by reference to Exhibit 10.2 to the Registrant&#8217;s Quarterly Report on Form 10-Q (File No. 001-38981), filed with the Commission on May 7, 2020). </font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font></p></td>
</tr>
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<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.7</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="margin-bottom:12pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020022856/mirm-ex103_32.htm"><font style="text-decoration:underline;">Forms of restricted stock unit grant notice and award agreement under the Mirum Pharmaceuticals, Inc. 2020 Inducement Plan (incorporated by reference to Exhibit 10.3 to the Registrant&#8217;s Quarterly Report on Form 10-Q (File No. 001-38981), filed with the Commission on May 7, 2020).</font></a></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 9.<font style="margin-left:36pt;">Undertakings.</font></p>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(a)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="color:#000000;">The undersigned Registrant hereby undertakes:</font></p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(1)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement:</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(i)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="color:#000000;">To include any prospectus required by Section 10(a)(3) of the Securities Act;</font></p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(ii)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="color:#000000;">T</font>o reflect in the prospectus any facts or events arising after the effective date of the Registration Statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221; table in the effective Registration Statement; and</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(iii)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="color:#000000;">To include any material information with respect to the plan of distribution not previously disclosed in the Registration Statement or any material change to such information in the Registration Statement.</font></p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;margin-left:7.69%;text-indent:0%;font-style:italic;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU7"></a><font style="font-style:italic;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;">Provided, however,</font><font style="font-style:normal;color:#000000;"> that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration Statement is on Form S-8, and the </font><font style="font-style:normal;">information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the </font><font style="font-style:normal;">Commis</font><font style="font-style:normal;">sion</font><font style="font-style:normal;"> by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in the Registration Statement</font><font style="font-style:normal;">.</font></p>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(2)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(3)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(4)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">That, for the purpose of determining liability of the <font style="color:#000000;">Registrant </font>under the Securities Act to any purchaser in the initial distribution of the securities, the undersigned <font style="color:#000000;">Registrant </font>undertakes that in a primary offering of securities of the undersigned <font style="color:#000000;">Registrant </font>pursuant to this Registration Statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser:</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(i)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Any preliminary prospectus or prospectus of the undersigned <font style="color:#000000;">Registrant </font>relating to the offering required to be filed pursuant to Rule&#160;424<font style="color:#000000;">;</font></p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(ii)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Any free writing prospectus relating to the offering prepared by or on behalf of the undersigned <font style="color:#000000;">Registrant </font>or used or referred to by the undersigned <font style="color:#000000;">Registrant</font>;</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(iii)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">The portion of any other free writing prospectus relating to the offering containing material information about the undersigned <font style="color:#000000;">Registrant </font>or its securities provided by or on behalf of the undersigned <font style="color:#000000;">Registrant</font>; and</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(iv)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;">Any other communication that is an offer in the offering made by the undersigned <font style="color:#000000;">Registrant </font>to the purchaser.</p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(b)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="color:#000000;">The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the Registrant</font>&#8217;<font style="color:#000000;">s annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan</font>&#8217;<font style="color:#000000;">s annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities offered </font>herein<font style="color:#000000;">, and the offering of such securities at that time shall be deemed to be the initial</font><font style="font-style:italic;"> </font>bona fide<font style="color:#000000;"> offering thereof.</font></p></td></tr></table></div>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(c)</font></p></td>
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<p style="margin-bottom:12pt;margin-top:0pt;color:#000000;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:10pt;"><font style="color:#000000;">Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.</font></p></td></tr></table></div>
<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU8"></a><br /></p>
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<p style="text-align:center;margin-bottom:12pt;margin-top:0pt;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-weight:bold;color:#000000;font-size:10pt;">SIGNATURES</font></p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:7.69%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Foster City, State of California, on May 7, 2020. </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-family:Times New Roman;font-size:12pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;text-align:left;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;text-align:left;">&nbsp;</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman Bold;text-transform:uppercase;font-style:normal;font-variant: normal;">Mirum Pharmaceuticals<font style="font-family:Times New Roman;text-transform:none;">, INC.</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;text-align:left;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
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<p style="text-align:justify;margin-bottom:1pt;border-bottom:Solid 0.75pt #000000;padding-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ Christopher Peetz</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;text-align:left;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Christopher Peetz</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;text-align:left;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">President and Chief Executive Officer</p></td>
</tr>
</table></div>
<p style="text-align:center;margin-top:24pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><a name="POA"></a>POWER OF ATTORNEY </p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:7.69%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Christopher Peetz and Ian Clements, Ph.D., and each one of them, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in their name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this registration statement, and to sign any registration statement for the same offering covered by this registration statement that is to be effective on filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and all post-effective amendments thereto, and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.</p>
<p style="text-align:justify;margin-bottom:10pt;margin-top:12pt;text-indent:7.69%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated. </p>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">Signature</font></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">Title</font></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">Date</font></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;/s/ Christopher Peetz</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Christopher Peetz</p></td>
<td valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">President, Chief Executive Officer and Director<br />(Principal Executive Officer)</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
</tr>
<tr style="height:12pt;">
<td valign="middle" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td valign="middle" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td valign="middle" >
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;/s/ Ian Clements, Ph.D.</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Ian Clements, Ph.D.</p></td>
<td valign="top" >
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Chief Financial Officer</p>
<p style="margin-bottom:1pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(Principal Financial and Accounting Officer)</p></td>
<td valign="top"  style="white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
</tr>
<tr style="height:12pt;">
<td valign="middle" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td valign="middle" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
</tr>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;/s/ Michael Grey</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Michael Grey</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Director</p></td>
<td valign="top"  style="white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td valign="middle" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
<td valign="top" >
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
</tr>
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<td valign="top" >
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;/s/ Tiba Aynechi, Ph.D.</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:12pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Tiba Aynechi, Ph.D.</p></td>
<td valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Director</p></td>
<td valign="top"  style="white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
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<td valign="top"  style=" border-bottom:solid 0.75pt #000000;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ Laura Brege</p></td>
<td valign="top"  style=" border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Director</p></td>
<td valign="top"  style=" border-bottom:solid 0.75pt transparent;white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
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<td valign="top"  style=" border-top:solid 0.75pt #000000;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Laura Brege</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-family:Times New Roman;font-size:5pt;">&nbsp;</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></td>
</tr></table></div>
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<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:463.5pt;;">
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<td style="width:175.5pt;"></td>
<td style="width:216pt;"></td>
<td style="width:72pt;"></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;/s/ Laurent Fischer, M.D.</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:12pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU9"></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Laurent Fischer, M.D.</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU10"></a>Director</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_AEIOULastRenderedPageBreakAEIOU11"></a> /s/ Patrick Heron</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:12pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Patrick Heron</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Director</p></td>
<td valign="top"  style="white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> /s/ Edward T. Mathers</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Edward T. Mathers</p></td>
<td valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Director</p></td>
<td valign="top"  style="white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
</tr>
<tr style="height:10.8pt;">
<td valign="top"  style=" border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ <font style="font-family:Times New Roman;">Niall O&#8217;Donnell, Ph.D.</font></p></td>
<td valign="top"  style=" border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:6.55pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Director</p></td>
<td valign="top"  style=" border-bottom:solid 0.75pt transparent;white-space:nowrap;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">May 7, 2020</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Niall O&#8217;Donnell, Ph.D.</p></body>
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mirm-s8.htm
As filed with the Securities and Exchange Commission on May 7, 2020
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
Mirum Pharmaceuticals, Inc.
(Exact name of registrant as specified in its charter)
Delaware
83-1281555
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)
950 Tower Lane, Suite 1050
Foster City, California
94404
(Address of Principal Executive Offices)
(Zip Code)
2019 Equity Incentive Plan
2019 Employee Stock Purchase Plan
2020 Inducement Plan
(Full titles of the plans)
Christopher Peetz
President and Chief Executive Officer
Mirum Pharmaceuticals, Inc.
950 Tower Lane, Suite 1050
Foster City, California 94404
(650) 667-4085
(Name, address, including zip code, and telephone number, including area code, of agent for service)
Copies to:
Jason L. Kent
Alexa M. Ekman
Cooley LLP
4401 Eastgate Mall
San Diego, California 92121
(858) 550-6000
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of
"
large accelerated filer,
"
"
accelerated filer,
"
"
sma
ller reporting company,
"
and
"
emerging growth company
"
in Rule 12b-2 of the Exchange Act.
Large accelerated filer
☐
Accelerated filer
☐
Non-accelerated filer
☒
Smaller reporting company
☒
Emerging growth company
☒
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.
☒
CALCULATION OF REGISTRATION FEE
Title of Securities
To Be Registered
Amount to be Registered
(1)
Proposed Maximum Offering Price Per Share
Proposed Maximum Aggregate Offering Price
Amount of Registration Fee
2019 Equity Incentive Plan
Common Stock, $0.0001 par value per share
1,149,499
(
2
)
$
16.95
(
5
)
$
19,484,008
(
5
)
$2,530
2019 Employee Stock Purchase Plan
Common Stock, $0.0001 par value per share
229,899
(
3
)
$
14.41
(
6
)
$
3,312,845
(
6
)
$
431
2020 Inducement Plan
Common Stock, $0.0001 par value per share
185,000
(
4
)
$
16.26
$3,008,100
$391
2020 Inducement Plan
Common Stock, $0.0001 par value per share
565,000
$16.95
(
5
)
$
9,576,750
(
5
)
$
1,244
Total
2,129,398
N/A
$
35,381,703
$4,596
(1)
Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement shall also cover any additional shares of common stock ("Common Stock") of Mirum Pharmaceuticals, Inc. (the "Registrant") that become issuable under the Registrant's 2019 Equity Incentive Plan (the "2019 Plan"), the Registrant's 2019 Employee Stock Purchase Plan (the "2019 ESPP") and the Registrant's 2020 Inducement Plan (the "2020 Inducement Plan") by reason of any stock dividend, stock split, recapitalization or other similar transaction.
(2)
Represents shares of Common Stock that were added to the shares available for issuance under the 2019 Plan on January 1, 2020 pursuant to the automatic increase feature of such plan, which provides that the number of shares reserved for issuance under the 2019 Plan will automatically increase on January 1st of each year, for a period of not more than ten years, commencing on January 1, 2020 and ending on (and including) January 1, 2029, in an amount equal to the lesser of (i) 5% of the total number of shares of the Registrant's capital stock outstanding on December 31st of the preceding calendar year and (ii) a number of shares of Common Stock designated by action of the Registrant's board of directors prior to the applicable January 1st.
(3)
Represents shares of Common Stock that were added to the shares available for issuance under the 2019 ESPP on January 1, 2020 pursuant to the automatic increase feature of such plan, which provides that the number of shares reserved for issuance under the 2019 ESPP will automatically increase on January 1st of each year, for a period of not more than ten years, commencing on January 1, 2020 and ending on (and including) January 1, 2029, in an amount equal to the lesser of (i) 1% of the total number of shares of the Registrant's capital stock outstanding on December 31st of the preceding calendar year, (ii) 1,500,000 shares of Common Stock and (iii) a number of shares of Common Stock designated by action of the Registrant's board of directors prior to the applicable January 1st.
(4)
Represents shares of Common Stock reserved for issuance upon the exercise of outstanding options granted
under the
2020 Indu
cement
Pla
n at an exercise price of $16.26
per share.
(5)
Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rules 457(h) and 457(c) of the Securities Act. The proposed maximum aggregate offering price per share and proposed maximum aggregate offering price are calculated using the average of the high and low prices of the Common Stock as reported on the Nasdaq Global Market on May 5, 2020.
(6)
Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rules 457(h) and 457(c) of the Securities Act. The proposed maximum aggregate offering price per share and proposed maximum aggregate offering price are calculated using the average of the high and low prices of the Common Stock as reported on the Nasdaq Global Market on May 5, 2020, multiplied by 85%.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The information called for by Part I of Form S-8 is omitted from this Registration Statement in accordance with Rule 428 of the Securities Act and the instructions to Form S-8. In accordance with the rules and regulations of the Securities and Exchange Commission (the "Commission") and the instructions to Form S-8, such documents are not being filed with the Commission either as part of this Registration Statement or as prospectuses or prospectus supplements pursuant to Rule 424.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.
Incorporation of Documents by Reference.
The Registrant hereby incorporates by reference into this Registration Statement the following documents previously filed by the Registrant with the Commission:
(a)
The Registrant's Annual Report on
Form 10-K
, filed with the Commission on March 12, 2020;
(b)
The Registrant's Definitive Proxy Statement on
Schedule 14A
filed with the Commission on April 29, 2020;
(c)
The Registrant's Quarterly Report on
Form 10-Q
, filed with the Commission on May 7, 2020;
(d)
The Registrant's Current Report on
Form 8-K
, filed with the Commission on January 14, 2020; and
(e)
The description of the Registrant
'
s Common Stock contained in the Registrant
'
s Registration Statement on
Form 8-A
filed on July 15, 2019 (File No. 001-38981) under Section 12(b) of the
Securities Exchange Act of 1934, as amended (the "Exchange Act")
, including any amendment or report filed for the purpose of updating such description.
All documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference into this Registration Statement and to be a part hereof from the date of filing of such documents; provided, however, that documents or portions thereof that are furnished and not filed in accordance with the rules of the Commission shall not be deemed incorporated by reference into this Registration Statement. Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement herein or in any other subsequently filed document that also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so modified or superseded shall not constitute a part of this Registration Statement, except as so modified or superseded.
Item 4.
Description of Securities.
Not applicable.
Item 5.
Interests of Named Experts and Counsel.
Not applicable.
Item 6.
Indemnification of Directors and Officers.
The Registrant is incorporated under the laws of the State of Delaware. Section 145 of the Delaware General
Corporation Law (the "General Corporation Law")
authorizes a court to award, or a corporation's board of directors to grant, indemnity to directors
and officers in terms sufficiently broad to permit such indemnification under certain circumstances for liabilities, including reimbursement for expenses incurred, arising under the Securities Act. The Registrant's amended and restated certificate of incor
poration permits indemnification of the Registrant's directors, officers, employees and other agents to the maximum extent permitted by the
General Corporation Law
, and the Registrant's amended and restated bylaws provide that the Registrant will indemnify
its directors and officers and permit the Registrant to indemnify its employees and other agents, in each case, to the maximum extent permitted by law.
As permitted by the General Corporation Law, the Registrant has entered into indemnification agreements with each of its directors and officers, pursuant to which it has agreed to indemnify such persons against any and all costs and expenses (including attorneys', witness or other professional fees) actually and reasonably incurred by such persons in connection with any action, suit or proceeding (including derivative actions), whether actual or threatened, to which any such person may be made a party by reason of the fact that such person is or was a director or officer or is or was acting or serving as a director, officer, employee or agent of the Registrant or any of its affiliated enterprises, provided that such director or officer acted in good faith and in a manner that the director or officer reasonably believed to be in, or not opposed to, the Registrant's best interest.
At present, there is no pending litigation or proceeding involving any of the Registrant
'
s directors or officers as to which indemnification is required or permitted, and the Registrant is not aware of any threatened litigation or proceeding that may result in a claim for indemnification.
The Registrant maintains an insurance policy that covers its directors and officers with respect to certain liabilities, including liabilities arising under the Securities Act and the Exchange Act that might be incurred by any director or officer in his or her capacity as such.
Item 7.
Exemption from Registration Claimed.
Not applicable.
Item 8.
Exhibits.
The exhibits to this Registration Statement are listed below:
Exhibit
Number
Description
4.1
Amended and Restated Certificate of Incorporation of the Registrant (incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K (File No. 001-38981), filed with the Commission on July 25, 2019).
4.2
Amended and Restated Bylaws of the Registrant (incorporated by reference to Exhibit 3.2 to the Registrant's Current Report on Form 8-K (File No. 001-38981), filed with the Commission on July 25, 2019).
4.3
Form of Common Stock Certificate of the Registrant (incorporated by reference to Exhibit 4.1 to the Registrant's Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).
4.4
Investors' Rights Agreement, dated November 5, 2018 (incorporated by reference to Exhibit 4.2 to the Registrant's Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on June 21, 2019).
5.1
Opinion of Cooley LLP.
23.1
Consent of independent registered public accounting firm.
23.2
Consent of Cooley LLP (included in Exhibit 5.1).
24.1
Power of Attorney (included on the signature page).
99.1
Mirum Pharmaceuticals, Inc. 2019 Equity Incentive Plan (incorporated by reference to Exhibit 10.3 to the Registrant's Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).
99.2
Forms of grant notice, stock option agreement and notice of exercise under the Mirum Pharmaceuticals, Inc. 2019 Equity Incentive Plan (incorporated by reference to Exhibit 10.4 to the Registrant's Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).
99.3
Forms of restricted stock unit grant notice and award agreement under the Mirum Pharmaceuticals, Inc. 2019 Equity Incentive Plan (incorporated by reference to Exhibit 10.5 to the Registrant's Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).
99.4
Mirum Pharmaceuticals, Inc. 2019 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.6 to the Registrant's Registration Statement on Form S-1 (File No. 333-232251), filed with the Commission on July 8, 2019).
99.5
Mirum Pharmaceuticals, Inc. 2020 Inducement Plan (incorporated by reference to Exhibit 10.1 to the Registrant's Quarterly Report on Form 10-Q (File No. 001-38981), filed with the Commission on May 7, 2020).
99.6
Forms of grant notice, stock option agreement and notice of exercise under the Mirum Pharmaceuticals, Inc. 2020 Inducement Plan (incorporated by reference to Exhibit 10.2 to the Registrant's Quarterly Report on Form 10-Q (File No. 001-38981), filed with the Commission on May 7, 2020).
99.7
Forms of restricted stock unit grant notice and award agreement under the Mirum Pharmaceuticals, Inc. 2020 Inducement Plan (incorporated by reference to Exhibit 10.3 to the Registrant's Quarterly Report on Form 10-Q (File No. 001-38981), filed with the Commission on May 7, 2020).
Item 9.
Undertakings.
(a)
The undersigned Registrant hereby undertakes:
(1)
To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement:
(i)
To include any prospectus required by Section 10(a)(3) of the Securities Act;
(ii)
T
o reflect in the prospectus any facts or events arising after the effective date of the Registration Statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the "Calculation of Registration Fee" table in the effective Registration Statement; and
(iii)
To include any material information with respect to the plan of distribution not previously disclosed in the Registration Statement or any material change to such information in the Registration Statement.
Provided, however,
that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration Statement is on Form S-8, and the
information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the
Commis
sion
by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in the Registration Statement
.
(2)
That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.
(3)
To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.
(4)
That, for the purpose of determining liability of the
Registrant
under the Securities Act to any purchaser in the initial distribution of the securities, the undersigned
Registrant
undertakes that in a primary offering of securities of the undersigned
Registrant
pursuant to this Registration Statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser:
(i)
Any preliminary prospectus or prospectus of the undersigned
Registrant
relating to the offering required to be filed pursuant to Rule 424
;
(ii)
Any free writing prospectus relating to the offering prepared by or on behalf of the undersigned
Registrant
or used or referred to by the undersigned
Registrant
;
(iii)
The portion of any other free writing prospectus relating to the offering containing material information about the undersigned
Registrant
or its securities provided by or on behalf of the undersigned
Registrant
; and
(iv)
Any other communication that is an offer in the offering made by the undersigned
Registrant
to the purchaser.
(b)
The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the Registrant
'
s annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan
'
s annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities offered
herein
, and the offering of such securities at that time shall be deemed to be the initial
bona fide
offering thereof.
(c)
Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Foster City, State of California, on May 7, 2020.
Mirum Pharmaceuticals
, INC.
By:
/s/ Christopher Peetz
Christopher Peetz
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Christopher Peetz and Ian Clements, Ph.D., and each one of them, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in their name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this registration statement, and to sign any registration statement for the same offering covered by this registration statement that is to be effective on filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and all post-effective amendments thereto, and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ Christopher Peetz
Christopher Peetz
President, Chief Executive Officer and Director
(Principal Executive Officer)
May 7, 2020
/s/ Ian Clements, Ph.D.
Ian Clements, Ph.D.
Chief Financial Officer
(Principal Financial and Accounting Officer)
May 7, 2020
/s/ Michael Grey
Michael Grey
Director
May 7, 2020
/s/ Tiba Aynechi, Ph.D.
Tiba Aynechi, Ph.D.
Director
May 7, 2020
/s/ Laura Brege
Director
May 7, 2020
Laura Brege
/s/ Laurent Fischer, M.D.
Laurent Fischer, M.D.
Director
May 7, 2020
/s/ Patrick Heron
Patrick Heron
Director
May 7, 2020
/s/ Edward T. Mathers
Edward T. Mathers
Director
May 7, 2020
/s/
Niall O'Donnell, Ph.D.
Director
May 7, 2020
Niall O'Donnell, Ph.D.