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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<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 March 9, 2021</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>
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<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;">incorporation or organization)</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;">(I.R.S. Employer</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: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: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-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="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<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;">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 style="color:#000000;">&#8220;</font>large accelerated filer,<font style="color:#000000;">&#8221;</font> <font style="color:#000000;">&#8220;</font>accelerated filer,<font style="color:#000000;">&#8221;</font> <font style="color:#000000;">&#8220;</font>smaller reporting company,<font style="color:#000000;">&#8221;</font> and <font style="color:#000000;">&#8220;</font>emerging growth company<font style="color:#000000;">&#8221;</font> in Rule 12b-2 of the Exchange Act. </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: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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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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>
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<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>
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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>
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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;">Emerging growth company</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="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>
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</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;">1,501,630<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;">$16.65<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></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;">$25,002,140<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></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;">$2,728</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;">300,326<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;">$14.15<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;">$4,249,613<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;">$464</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;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">750,000</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;">$16.65<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></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;">$12,487,500<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></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;">$1,362</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;">2,551,956</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;">$41,739,253</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;">$4,554</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="text-align:left;margin-bottom:0pt;margin-top:10pt;font-weight:normal;font-style:normal;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(1)</font></p></td>
<td valign="top">
<p style="text-align:left;margin-bottom:0pt;margin-top:10pt;font-weight:normal;font-style:normal;color:#auto;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="Background-color:#auto;text-decoration:none;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), this Registration Statement on Form S-8 (this &#8220;Registration Statement&#8221;) 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.</font></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="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(2)</font></p></td>
<td valign="top">
<p style="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="Background-color:#auto;text-decoration:none;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">Represents shares of Common Stock that were added to the shares available for issuance under the 2019 Plan on January 1, 2021 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.</font></p></td></tr></table></div>
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<table border="0" cellspacing="0" cellpadding="0"  style="border-collapse:collapse; width:100%;">
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<td valign="top" style="width:3.85%;white-space:nowrap">
<p style="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(3)</font></p></td>
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<p style="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="Background-color:#auto;text-decoration:none;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">Represents shares of Common Stock that were added to the shares available for issuance under the 2019 ESPP on January 1, 2021 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.</font></p></td></tr></table></div>
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<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="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(4)</font></p></td>
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<p style="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="Background-color:#auto;text-decoration:none;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rules 457(c) and 457(h) 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 March 5, 2021.</font></p></td></tr></table></div>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
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<p style="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#auto;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(5)</font></p></td>
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<p style="text-align:left;margin-bottom:0pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#auto;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="text-decoration:none;Background-color:#auto;font-size:10pt;font-family:Times New Roman;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rule</font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">s</font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;"> </font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">457(c) and </font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">457(h) 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 </font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">the Nasdaq Global Market on </font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">March </font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">5</font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">, 2021</font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">, multiplied by 85%</font><font style="font-size:10pt;font-family:Times New Roman;color:#000000;">.</font></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;"><br /></p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<hr style="page-break-after:always;width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<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;text-transform:uppercase;">Explanatory Note</font></p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:7.69%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">This Registration Statement is being filed for the purpose of registering additional securities of the same class as other securities for which Registration Statements of the Registrant on Form S-8 relating to the same employee benefit plans are effective.</p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:7.69%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Registrant previously registered (i) shares of Common Stock for issuance under the 2019 Plan and 2019 ESPP pursuant to a Registration Statement on <a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519232544/d797282ds8.htm"><font style="text-decoration:underline;color:#000000;">Form S-8</font></a><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> (File No. 333-233502) filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) on August 28, 2019 and (ii) additional shares of Common Stock for issuance under the 2019 Plan and 2019 ESPP and shares of Common Stock for issuance under the 2020 Inducement Plan pursuant to a Registration Statement on </font><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519232544/d797282ds8.htm"><a href="http://www.sec.gov/Archives/edgar/data/1759425/000156459020023010/mirm-s8.htm"><font style="text-decoration:underline;color:#000000;">Form S-8</font></a><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> (File No. 333-238086) filed with the Commission on May 7, 2020 (collectively, the &#8220;Prior Registration Statements&#8221;). In accordance with General Instruction E to Form S-8, the contents of the Prior Registration Statements are hereby incorporated by reference.</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 Bold;text-transform:uppercase;font-style:normal;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 Bold;text-transform:uppercase;font-style:normal;font-variant: normal;">Information Required in the Registration statement</p>
<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 3.<font style="margin-left:36pt;"></font>Incorporation of Documents by Reference.</p>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:7.69%;color:#000000;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:left;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#000000;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;">&nbsp;</p></td>
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<p style="text-align:left;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#000000;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#000000;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(a)</font></p></td>
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<p style="text-align:left;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#000000;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="Background-color:#auto;text-decoration:none;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;">The Registrant&#8217;s Annual Report on </font><a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0001759425/000156459021011756/mirm-10k_20201231.htm"><font style="text-decoration:underline;color:#0563C1;font-size:10pt;font-family:times new roman;">Form 10-K</font></a><font style="color:#000000;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 9, 2021; and</font></p></td></tr></table></div>
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<p style="text-align:left;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#000000;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;">&nbsp;</p></td>
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<p style="text-align:left;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#000000;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;"><font style="font-weight:normal;font-style:normal;text-decoration:none;Background-color:#auto;color:#000000;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;letter-spacing:0pt;">(b)</font></p></td>
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<p style="text-align:left;margin-bottom:12pt;margin-top:0pt;font-weight:normal;font-style:normal;color:#000000;text-transform:none;font-variant: normal;letter-spacing:0pt;font-family:Arial;font-size:12pt;"><font style="Background-color:#auto;text-decoration:none;"></font><font style="color:#000000;"></font><font style="font-size:10pt;font-family:Times New Roman;">The description of the Registrant&#8217;s Common Stock contained in the Registrant&#8217;s Registration Statement on </font><a href="http://www.sec.gov/Archives/edgar/data/1759425/000119312519194022/d711354d8a12b.htm"><font style="font-size:10pt;font-family:Times New Roman;text-decoration:underline;color:#000000;">Form 8-A</font></a><font style="color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> (File No. 001-38981) filed with the Commission on July 15, 2019 under Section 12(b) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), including any amendment or report filed for the purpose of updating such description.</font></p></td></tr></table></div>
<p style="margin-bottom:12pt;margin-top:0pt;text-indent:7.69%;color:#000000;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="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;"><br /></p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:12pt;margin-top:0pt;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Ite</font><font style="font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">m 8</font><font style="font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">.</font><font style="margin-left:36pt;"></font><font style="font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Exhibits</font><font style="font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">.</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;">The exhibits to this Registration Statement are listed below:</p>
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<td style="width:7.36%;"></td>
<td style="width:1.82%;"></td>
<td style="width:92.1%;"></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;">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>
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<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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<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, 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>
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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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<tr style="height:6pt;">
<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>
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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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<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>
<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: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, filed with the Commission on July 25, 2019).</font></a></p></td>
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<tr style="height:15.3pt;">
<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>
</tr>
<tr>
<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_7.htm"><font style="text-decoration:underline;">Opinion of Cooley LLP.</font></a></p></td>
</tr>
<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>
<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-ex231_6.htm"><font style="text-decoration:underline;">Consent of Independent Registered Public Accounting Firm.</font></a></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;">23.2</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_7.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>
<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="#POA"><font style="text-decoration:underline;">Power of Attorney (included on the signature page).</font></a></p></td>
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<tr style="height:3.4pt;">
<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>
</tr>
<tr>
<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>
</tr>
<tr>
<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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<tr>
<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>
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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, 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, 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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<tr>
<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, 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-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<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;"><br /></p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<hr style="page-break-after:always;width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<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;">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 March 9, 2021. </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>
<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: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>
<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;text-align:left;">&nbsp;</p></td>
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<td valign="top"  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;">By:</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: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>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<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;">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>
<td valign="bottom"  style="padding-Top:0pt;padding-Bottom:0pt;">
<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>
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<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>
<td valign="bottom" >
<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>
<td valign="bottom" >
<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>
</tr>
<tr>
<td valign="top" >
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top" >
<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>
<td valign="top"  style="white-space:nowrap;">
<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>
</tr>
<tr>
<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/ 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>
<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;">March 9, 2021</p></td>
</tr>
<tr style="height:3.2pt;">
<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>
</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>
</tr>
<tr>
<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/ 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;">March 9, 2021</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="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>
<tr>
<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/ 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>
<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;">March 9, 2021</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="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>
<tr>
<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;">March 9, 2021</p></td>
</tr>
<tr>
<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;">March 9, 2021</p></td>
</tr>
<tr>
<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>
<td valign="top" >
<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>
<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-family:Times New Roman;font-size:10pt;">&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="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>
<tr>
<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/ 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;">Laurent Fischer, M.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;">March 9, 2021</p></td>
</tr></table></div>
<p style="margin-top:12pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<hr style="page-break-after:always;width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<div align="left">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:463.5pt;;">
<tr>
<td style="width:175.5pt;"></td>
<td style="width:216pt;"></td>
<td style="width:72pt;"></td>
</tr>
<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;"><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="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ </font><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Patrick Heron</font></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>
<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;">March 9, 2021</p></td>
</tr>
<tr style="height:3.5pt;">
<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;"> /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;">March 9, 2021</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:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ Niall O&#8217;Donnell, Ph.D.</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;">March 9, 2021</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>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p></body>
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{"company-data": {"conformed-name": "Mirum Pharmaceuticals, Inc.", "cik": "0001759425", "assigned-sic": "2834", "irs-number": "831281555", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-254043", "film-number": "21726688"}, "business-address": {"street1": "950 TOWER LANE, SUITE 1050", "city": "FOSTER CITY", "state": "CA", "zip": "94404", "phone": "650-667-4085"}, "mail-address": {"street1": "950 TOWER LANE, SUITE 1050", "city": "FOSTER CITY", "state": "CA", "zip": "94404"}}
mirm-s8.htm
As filed with the Securities and Exchange Commission on March 9, 2021
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,
"
"
smaller 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
1,501,630
(
2
)
$16.65
(
4
)
$25,002,140
(
4
)
$2,728
2019 Employee Stock Purchase Plan
Common Stock, $0.0001 par value per share
300,326
(
3
)
$14.15
(
5
)
$4,249,613
(
5
)
$464
2020 Inducement Plan
Common Stock, $0.0001 par value per share
750,000
$16.65
(
4
)
$12,487,500
(
4
)
$1,362
Total
2,551,956
N/A
$41,739,253
$4,554
(1)
Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement on Form S-8 (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, 2021 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, 2021 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)
Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rules 457(c) and 457(h) 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 March 5, 2021.
(5)
Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rule
s
457(c) and
457(h) 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
March
5
, 2021
, multiplied by 85%
.
Explanatory Note
This Registration Statement is being filed for the purpose of registering additional securities of the same class as other securities for which Registration Statements of the Registrant on Form S-8 relating to the same employee benefit plans are effective.
The Registrant previously registered (i) shares of Common Stock for issuance under the 2019 Plan and 2019 ESPP pursuant to a Registration Statement on
Form S-8
(File No. 333-233502) filed with the Securities and Exchange Commission (the "Commission") on August 28, 2019 and (ii) additional shares of Common Stock for issuance under the 2019 Plan and 2019 ESPP and shares of Common Stock for issuance under the 2020 Inducement Plan pursuant to a Registration Statement on
Form S-8
(File No. 333-238086) filed with the Commission on May 7, 2020 (collectively, the "Prior Registration Statements"). In accordance with General Instruction E to Form S-8, the contents of the Prior Registration Statements are hereby incorporated by reference.
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 9, 2021; and
(b)
The description of the Registrant's Common Stock contained in the Registrant's Registration Statement on
Form 8-A
(File No. 001-38981) filed with the Commission on July 15, 2019 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.
Ite
m 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, 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, 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, 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, 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, filed with the Commission on May 7, 2020).
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 March 9, 2021.
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)
March 9, 2021
/s/ Ian Clements, Ph.D.
Ian Clements, Ph.D.
Chief Financial Officer
(Principal Financial and Accounting Officer)
March 9, 2021
/s/ Michael Grey
Michael Grey
Director
March 9, 2021
/s/ Tiba Aynechi, Ph.D.
Tiba Aynechi, Ph.D.
Director
March 9, 2021
/s/ Laura Brege
Director
March 9, 2021
Laura Brege
/s/ Laurent Fischer, M.D.
Laurent Fischer, M.D.
Director
March 9, 2021
/s/
Patrick Heron
Patrick Heron
Director
March 9, 2021
/s/ Edward T. Mathers
Edward T. Mathers
Director
March 9, 2021
/s/ Niall O'Donnell, Ph.D.
Director
March 9, 2021
Niall O'Donnell, Ph.D.