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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: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;">As filed with the Securities and Exchange Commission on March 17, 2022 </p>
<p style="text-align:right;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;">Registration No.&#160;333-&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</p>
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<p style="text-align:center;margin-top:4pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;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;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Washington, D.C. 20549 </p>
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<p style="text-align:center;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">FORM S-8</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">REGISTRATION STATEMENT </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:12pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">UNDER </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:12pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">THE SECURITIES ACT OF 1933 </p>
<p style="text-align:center;margin-bottom:2pt;border-bottom:Solid 1pt #000000;padding-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:24pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">IDEAYA Biosciences, Inc. </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;">(Exact name of Registrant as specified in its charter) </p>
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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:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">47-4268251</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(State or other jurisdiction of</p>
<p style="text-align:center;margin-bottom:1pt;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;">incorporation or organization)</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;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;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;">(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;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Identification Number)</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">7000 Shoreline Court, Suite 350</p>
<p style="text-align:center;margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">South San Francisco, California </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:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">94080</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Address of Principal Executive Offices)</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;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;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;">(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%;font-size:12pt;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 Incentive Award 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:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Full Title of the Plan) </p>
<p style="text-align:center;margin-bottom:2pt;border-bottom:Solid 1pt #000000;padding-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;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:6pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Yujiro Hata</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;">President and Chief Executive Officer </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;">IDEAYA Biosciences, Inc. </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;">7000 Shoreline Court, Suite 350</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;">South San Francisco, California 94080</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;">(650) 443-6209 </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;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:6pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-style:italic;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:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;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;">&#160;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Mark V. Roeder, Esq.</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Benjamin A. Potter, Esq.</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Latham&#160;&amp; Watkins LLP</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">140 Scott Drive</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Menlo Park, California 94025</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Telephone: (650) 328-4600</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Facsimile: (650) 463-2600</p></td>
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<p style="text-align:center;margin-bottom:1pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-top:6pt;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, or a smaller reporting company. See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act. </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:0pt;margin-top:0pt;text-indent:0%;font-size:6pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:6pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</font></p>
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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;">Accelerated&#160;filer</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;">&#9744;</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;">Smaller&#160;reporting&#160;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="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;">&#160;</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;">&#160;&#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;">Emerging&#160;growth&#160;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="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;">&#9746;</p></td>
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<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;">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&#160;7(a)(2)(B) of the Securities Act. <font style="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%;font-size:12pt;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:18pt;margin-bottom: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>
<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-top:18pt;margin-bottom: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;">EXPLANATORY NOTE</font></p>
<p style="margin-top:18pt;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;">This Registration Statement on Form S-8 is being filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) for the purpose of registering an additional 1,926,652 shares of common stock of IDEAYA Biosciences, Inc. (the &#8220;Registrant&#8221;) issuable under the following employee benefit plans for which registration statements of the Registrant on Form S-8 (File Nos. 333-231784, 333-237362 and 333-254617) are effective: (i) the IDEAYA Biosciences, Inc. 2019 Incentive Award Plan which, as a result of the operation of an automatic annual increase provision therein, added 1,541,322 shares of common stock, and (ii) the IDEAYA Biosciences, Inc. Employee Stock Purchase Plan which, as a result of the operation of an automatic annual increase provision therein, added 385,330 shares of common stock.</p>
<p style="text-align:center;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">INCORPORATION BY REFERENCE OF CONTENTS OF REGISTRATION STATEMENTS ON FORM&#160;S-8</p>
<p style="margin-top:18pt;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;">Pursuant to General Instruction E of Form&#160;S-8,&#160;the contents of the Registration Statements on Form&#160;S-8&#160;filed with the Commission on May 28, 2019 (<a href="http://www.sec.gov/Archives/edgar/data/0001676725/000119312519158497/d732234ds8.htm"><font style="text-decoration:underline;">File No.&#160; 333-231784</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">), March 24, 2020 (</font><a href="http://www.sec.gov/Archives/edgar/data/0001676725/000119312519158497/d732234ds8.htm"><a href="http://www.sec.gov/Archives/edgar/data/0001676725/000156459020012528/idya-s8.htm"><font style="text-decoration:underline;">File No.&#160;333-237362</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">) and March 23, 2021 (</font><a href="http://www.sec.gov/Archives/edgar/data/0001676725/000119312519158497/d732234ds8.htm"><a href="http://www.sec.gov/Archives/edgar/data/0001676725/000156459020012528/idya-s8.htm"><a href="http://www.sec.gov/Archives/edgar/data/0001676725/000156459021014848/idya-s8.htm"><font style="text-decoration:underline;">File No.&#160;333-254617</font></a><font style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">) are incorporated by reference herein; except for Item 8 which is being updated by this Registration Statement.</font></p>
<p style="margin-bottom:6pt;margin-top:6pt;margin-left:0.16%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</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:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:6pt;margin-top:6pt;margin-left:0.16%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="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;">Item 8. Exhibits <font style="font-size:12pt;font-weight:normal;">&#160;</font></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;">Number</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;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="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;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="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;&#160;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Incorporated by Reference</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;&#160;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Filed</p>
<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;">Herewith</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;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;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;">Exhibit Description</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;&#160;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Form</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;&#160;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Date</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;&#160;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Number</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;&#160;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;">&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;">&#160;&#160;5.1</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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="idya-ex51_7.htm"><font style="text-decoration:underline;">Opinion of Latham&#160;&amp; Watkins&#160;LLP.</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>
<td valign="bottom"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:1.28%;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;white-space:nowrap;">
<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;">X</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;">23.1</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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="idya-ex231_6.htm"><font style="text-decoration:underline;">Consent of Independent Registered Public Accounting Firm.</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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<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:1.28%;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;white-space:nowrap;">
<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;">X</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;">23.2</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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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="idya-ex51_7.htm"><font style="text-decoration:underline;">Consent of Latham&#160;&amp; Watkins&#160;LLP (included in Exhibit&#160;5.1).</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>
<td valign="bottom"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:1.28%;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;white-space:nowrap;">
<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;">X</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;">24.1</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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="#POA"><font style="text-decoration:underline;">Power of Attorney. Reference is made to the signature page to the Registration Statement.</font></a></p></td>
<td valign="bottom"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:1.28%;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;white-space:nowrap;">
<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;">X</p></td>
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<tr>
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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;">99.1#</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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/0001676725/000119312519158497/d732234dex992a.htm"><font style="text-decoration:underline;">2019 Incentive Award Plan.</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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<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">S-8</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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">5-28-19</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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">99.2(a)</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;&#160;</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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<tr>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:13.44%;white-space:nowrap;">
<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;">99.2#</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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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/0001676725/000119312519158497/d732234dex993.htm"><font style="text-decoration:underline;">Employee Stock Purchase Plan.</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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<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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">S-8</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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">5-28-19</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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">99.3</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;&#160;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;white-space:nowrap;">
<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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<tr>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:13.44%;white-space:nowrap;">
<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;">107</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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="idya-exfilingfees_8.htm"><font style="text-decoration:underline;">Filing Fee Table.</font></a></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:1.28%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;white-space:nowrap;">
<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;">X</p></td>
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</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
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<tr>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:2%;">
<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;">#</p></td>
<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">Indicates management contract or compensatory plan. </p></td>
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<p style="margin-bottom:6pt;margin-top:6pt;margin-left:0.16%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</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;"><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:0pt;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;">SIGNATURES </font></p>
<p style="margin-top:12pt;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;">Pursuant to the requirements of the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), 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 South San Francisco, California, on this 17th day of March, 2022. </p>
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<td colspan="3" valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">IDEAYA Biosciences, Inc.</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;text-align:left;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;text-align:left;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">By:</p></td>
<td valign="bottom"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto; border-bottom:solid 0.75pt #000000;">
<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="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto; border-bottom:solid 0.75pt #000000;">
<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;">/s/ Yujiro Hata</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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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;">Yujiro Hata</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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<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-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:auto;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:-14.85pt;;text-indent:0pt;;font-style:italic;font-size:10pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;">President and Chief Executive Officer</p></td>
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</table></div>
<p style="text-align:center;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><a name="tx580573_2"></a><a name="POA"></a><a name="POA"></a>POWER OF ATTORNEY </p>
<p style="margin-top:12pt;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;">KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Yujiro Hata and Paul Stone, and each of them acting individually, as his true and lawful attorneys-in-fact and agents, each with full power of substitution, for him in any and all capacities, to sign any and all amendments to this Registration Statement, including post-effective amendments or any abbreviated registration statement and any amendments thereto filed pursuant to Rule 462(b) increasing the number of securities for which registration is sought, and to file the same, with all exhibits thereto and other documents in connection therewith, with the SEC, granting unto said attorneys-in-fact and agents, with full power of each to act alone, 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 for 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 his or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof. </p>
<p style="margin-top:12pt;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;">Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated. </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</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;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Signature</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Title</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Date</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ Yujiro Hata</p></td>
<td rowspan="2" valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">President,&#160;Chief&#160;Executive&#160;Officer&#160;and&#160;Director</p>
<p style="margin-bottom:1pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;font-style:italic;font-size:10pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;">(Principal Executive Officer)</p></td>
<td valign="top" >
<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;">March 17, 2022</p></td>
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<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 0.75pt #000000;padding-top:0pt;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:center;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;">Yujiro Hata</p></td>
<td valign="top"  style="padding-left:7.2pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;">
<p style="line-height:2pt;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;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;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;">&nbsp;</p></td>
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<tr style="height:11.35pt;">
<td valign="bottom" >
<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;">/s/ Paul Stone, J.D.</p></td>
<td rowspan="2" valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Senior Vice President and Chief Financial Officer </p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;font-style:italic;font-size:10pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;">(Principal Financial and Accounting Officer)</p></td>
<td valign="top" >
<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;">March 17, 2022</p></td>
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<tr style="height:14.85pt;">
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<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 0.75pt #000000;padding-top:0pt;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:center;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;">Paul Stone, J.D.</p></td>
<td valign="top"  style="padding-left:7.2pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;">
<p style="line-height:2pt;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;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;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;">&nbsp;</p></td>
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<tr style="height:12.5pt;">
<td valign="top" >
<p style="text-align:center;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;">/s/ Timothy Shannon, M.D.</p></td>
<td rowspan="2" valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Chairman of the Board of Directors</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;">March 17, 2022</p></td>
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<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 0.75pt #000000;padding-top:0pt;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:center;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;">Timothy Shannon, M.D.</p></td>
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<p style="line-height:2pt;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;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;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;">&nbsp;</p></td>
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<tr style="height:15.4pt;">
<td valign="top" >
<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;">/s/ Garret Hampton, Ph.D. </p>
<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 1pt;padding-top: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></td>
<td valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;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>
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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;">March 17, 2022</p></td>
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<tr style="height:11.35pt;">
<td valign="top" >
<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;">Garret Hampton, Ph.D.</p></td>
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<p style="line-height:2pt;margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;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="line-height:2pt;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;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;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;">&nbsp;</p></td>
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<tr style="height:15.4pt;">
<td valign="top" >
<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;">/s/ Susan L. Kelley, M.D. </p>
<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 1pt;padding-top: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></td>
<td valign="top" >
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;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>
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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;">March 17, 2022</p></td>
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<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;">Susan L. Kelley, M.D.</p></td>
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<p style="line-height:2pt;margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;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="line-height:2pt;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;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;text-indent:0pt;;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;">&nbsp;</p></td>
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<td valign="top" >
<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;">/s/ Scott Morrison</p>
<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 1pt;padding-top: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></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;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" >
<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;">March 17, 2022</p></td>
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<tr style="height:11.35pt;">
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<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;">Scott Morrison</p></td>
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<p style="line-height:2pt;margin-bottom:0pt;margin-top:0pt;margin-left:7.65pt;;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="line-height:2pt;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:7.65pt;;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>
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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;">March 17, 2022</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:8.1pt;;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>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:8.1pt;;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>
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[{"type": "S-8", "sequence": "1", "filename": "idya-s8.htm", "description": "S-8", "secsgml_size_bytes": 97641}]
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idya-s8.htm
As filed with the Securities and Exchange Commission on March 17, 2022
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
IDEAYA Biosciences, Inc.
(Exact name of Registrant as specified in its charter)
Delaware
47-4268251
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification Number)
7000 Shoreline Court, Suite 350
South San Francisco, California
94080
(Address of Principal Executive Offices)
(Zip Code)
2019 Incentive Award Plan
2019 Employee Stock Purchase Plan
(Full Title of the Plan)
Yujiro Hata
President and Chief Executive Officer
IDEAYA Biosciences, Inc.
7000 Shoreline Court, Suite 350
South San Francisco, California 94080
(650) 443-6209
(Name, address, including zip code, and telephone number, including area code, of agent for service)
Copies to:
Mark V. Roeder, Esq.
Benjamin A. Potter, Esq.
Latham & Watkins LLP
140 Scott Drive
Menlo Park, California 94025
Telephone: (650) 328-4600
Facsimile: (650) 463-2600
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting 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.
☒
EXPLANATORY NOTE
This Registration Statement on Form S-8 is being filed with the Securities and Exchange Commission (the "Commission") for the purpose of registering an additional 1,926,652 shares of common stock of IDEAYA Biosciences, Inc. (the "Registrant") issuable under the following employee benefit plans for which registration statements of the Registrant on Form S-8 (File Nos. 333-231784, 333-237362 and 333-254617) are effective: (i) the IDEAYA Biosciences, Inc. 2019 Incentive Award Plan which, as a result of the operation of an automatic annual increase provision therein, added 1,541,322 shares of common stock, and (ii) the IDEAYA Biosciences, Inc. Employee Stock Purchase Plan which, as a result of the operation of an automatic annual increase provision therein, added 385,330 shares of common stock.
INCORPORATION BY REFERENCE OF CONTENTS OF REGISTRATION STATEMENTS ON FORM S-8
Pursuant to General Instruction E of Form S-8, the contents of the Registration Statements on Form S-8 filed with the Commission on May 28, 2019 (
File No.  333-231784
), March 24, 2020 (
File No. 333-237362
) and March 23, 2021 (
File No. 333-254617
) are incorporated by reference herein; except for Item 8 which is being updated by this Registration Statement.
Item 8. Exhibits
Exhibit
Number
Incorporated by Reference
Filed
Herewith
Exhibit Description
Form
Date
Number
5.1
Opinion of Latham & Watkins LLP.
X
23.1
Consent of Independent Registered Public Accounting Firm.
X
23.2
Consent of Latham & Watkins LLP (included in Exhibit 5.1).
X
24.1
Power of Attorney. Reference is made to the signature page to the Registration Statement.
X
99.1#
2019 Incentive Award Plan.
S-8
5-28-19
99.2(a)
99.2#
Employee Stock Purchase Plan.
S-8
5-28-19
99.3
107
Filing Fee Table.
X
#
Indicates management contract or compensatory plan.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended (the "Securities Act"), 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 South San Francisco, California, on this 17th day of March, 2022.
IDEAYA Biosciences, Inc.
By:
/s/ Yujiro Hata
Yujiro Hata
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Yujiro Hata and Paul Stone, and each of them acting individually, as his true and lawful attorneys-in-fact and agents, each with full power of substitution, for him in any and all capacities, to sign any and all amendments to this Registration Statement, including post-effective amendments or any abbreviated registration statement and any amendments thereto filed pursuant to Rule 462(b) increasing the number of securities for which registration is sought, and to file the same, with all exhibits thereto and other documents in connection therewith, with the SEC, granting unto said attorneys-in-fact and agents, with full power of each to act alone, 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 for 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 his or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ Yujiro Hata
President, Chief Executive Officer and Director
(Principal Executive Officer)
March 17, 2022
Yujiro Hata
/s/ Paul Stone, J.D.
Senior Vice President and Chief Financial Officer
(Principal Financial and Accounting Officer)
March 17, 2022
Paul Stone, J.D.
/s/ Timothy Shannon, M.D.
Chairman of the Board of Directors
March 17, 2022
Timothy Shannon, M.D.
/s/ Garret Hampton, Ph.D.
Director
March 17, 2022
Garret Hampton, Ph.D.
/s/ Susan L. Kelley, M.D.
Director
March 17, 2022
Susan L. Kelley, M.D.
/s/ Scott Morrison
Director
March 17, 2022
Scott Morrison
/s/ Terry Rosen, Ph.D.
Director
March 17, 2022
Terry Rosen, Ph.D.
Signature
Title
Date
/s/ Jeffrey Stein, Ph.D.
Director
March 17, 2022
Jeffrey Stein, Ph.D.
/s/ Wendy Yarno
Director
March 17, 2022
Wendy Yarno