<SEC-DOCUMENT>0001104659-20-013787.txt : 20200210
<SEC-HEADER>0001104659-20-013787.hdr.sgml : 20200210
<ACCEPTANCE-DATETIME>20200210172429
ACCESSION NUMBER:		0001104659-20-013787
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200210
DATE AS OF CHANGE:		20200210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sierra Oncology, Inc.
		CENTRAL INDEX KEY:			0001290149
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89009
		FILM NUMBER:		20593049

	BUSINESS ADDRESS:	
		STREET 1:		2150 ? 885 WEST GEORGIA STREET
		CITY:			VANCOUVER
		STATE:			A1
		ZIP:			V6C 3E8
		BUSINESS PHONE:		604-558-6536

	MAIL ADDRESS:	
		STREET 1:		2150 ? 885 WEST GEORGIA STREET
		CITY:			VANCOUVER
		STATE:			A1
		ZIP:			V6C 3E8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ProNAi Therapeutics Inc
		DATE OF NAME CHANGE:	20040513

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GILEAD SCIENCES INC
		CENTRAL INDEX KEY:			0000882095
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				943047598
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		333 LAKESIDE DR
		CITY:			FOSTER CITY
		STATE:			CA
		ZIP:			94404
		BUSINESS PHONE:		6505743000

	MAIL ADDRESS:	
		STREET 1:		333 LAKESIDE DR
		CITY:			FOSTER CITY
		STATE:			CA
		ZIP:			94404
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a20-7227_1sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>


<html>
<head>






  </head>
<body link=blue bgcolor="white" lang="EN-US">
<div>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.06%;">
<p style="margin:0in 0in .0001pt;"><b><font size="3" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="53%" valign="top" style="padding:0in .7pt .7pt .7pt;width:53.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">UNITED STATES</font></b></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.78%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.06%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="53%" valign="top" style="padding:0in .7pt .7pt .7pt;width:53.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.78%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.06%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="53%" valign="top" style="padding:0in .7pt .7pt .7pt;width:53.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C. 20549</font></b></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.78%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.06%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="53%" valign="top" style="padding:0in .7pt .7pt .7pt;width:53.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.78%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">SCHEDULE 13G</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(Amendment No.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)*</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Under the Securities Exchange Act of 1934<br><br></font></b></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Sierra Oncology, Inc.</font></b></p>
</div>
<p align="center" style="margin:0in 0in 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name of Issuer)</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Common Stock, par value $0.001 per share</font></b></p>
</div>
<p align="center" style="margin:0in 0in 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Titles of Class of Securities)</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">82640U404</font></b></p>
</div>
<p align="center" style="margin:0in 0in 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(CUSIP Number)</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">January 31. 2020</font></b></p>
</div>
<p align="center" style="margin:0in 0in 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Date of Event Which Requires Filing of this Statement)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box to designate the rule pursuant to which this Schedule is filed: </font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;">
<tr>
<td width="9%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:9.46%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>
<td width="90%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:90.54%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rule 13d-1(b)</font></p>    </td>   </tr>
<tr>
<td width="9%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:9.46%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">x</font></p>    </td>
<td width="90%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:90.54%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rule 13d-1(c)</font></p>    </td>   </tr>
<tr>
<td width="9%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:9.46%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>
<td width="90%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:90.54%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rule 13d-1(d)</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*The remainder of this cover page shall be filled out of a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. </font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information required in the remainder of this cover page shall not be deemed to be &quot;filed&quot; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&quot;Act&quot;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='',FILE='C:\JMS\105192\20-7227-1\task9603840\7227-1-ba.htm',USER='105192',CD='Feb 11 03:47 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name of   Reporting Person</font><font size="2" style="font-size:10.0pt;"><br>   Gilead Sciences, Inc.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2 </font></p>    </td>
<td width="91%" colspan="4" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the   Appropriate Box if a Member of a Group </font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font></p>    </td>
<td width="86%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:86.04%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font></p>    </td>
<td width="86%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:86.04%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>
<td width="91%" colspan="4" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SEC Use   Only </font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>    </td>
<td width="91%" colspan="4" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Citizenship   or Place of Organization </font><font size="2" style="font-size:10.0pt;"><br>   Delaware</font></p>    </td>   </tr>
<tr>
<td width="13%" colspan="3" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:13.84%;">
<p style="margin-left:0in;margin-right:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="4%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.94%;">
<p align="right" style="margin-left:0in;margin-right:0in;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="81%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:81.22%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="13%" colspan="3" rowspan="7" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:13.84%;">
<p style="margin-left:0in;margin-right:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Number of<br>   Shares<br>   Beneficially<br>   Owned by<br>   Each<br>   Reporting<br>   Person With:</font></p>    </td>
<td width="4%" colspan="2" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.94%;">
<p style="margin-left:0in;margin-right:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5</font></p>    </td>
<td width="81%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:81.22%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sole   Voting Power </font><font size="2" style="font-size:10.0pt;"><br>   1,073,300</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="86%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:86.16%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" colspan="2" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.94%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6</font></p>    </td>
<td width="81%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:81.22%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shared   Voting Power</font><font size="2" style="font-size:10.0pt;">  <br>   0</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="86%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:86.16%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" colspan="2" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.94%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">7</font></p>    </td>
<td width="81%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:81.22%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sole   Dispositive Power</font><font size="2" style="font-size:10.0pt;">  <br>   1,073,300</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="86%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:86.16%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" colspan="2" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.94%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8</font></p>    </td>
<td width="81%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:81.22%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shared Dispositive Power <br>   0</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">9</font></p>    </td>
<td width="91%" colspan="4" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Aggregate   Amount Beneficially Owned by Each Reporting Person</font><font size="2" style="font-size:10.0pt;"><br>   1,073,300</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10</font></p>    </td>
<td width="91%" colspan="4" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check Box   if the Aggregate Amount in Row (9) Excludes Certain Shares&nbsp; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">11</font></p>    </td>
<td width="91%" colspan="4" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Percent   of Class Represented by Amount in Row 9</font><font size="2" style="font-size:10.0pt;"><br>   9.99%</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">12</font></p>    </td>
<td width="91%" colspan="4" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Type of   Reporting Person</font><font size="2" style="font-size:10.0pt;"><br>   CO</font></p>    </td>   </tr>
<tr height="0">
<td width="23" style="border:none;"></td>
<td width="39" style="border:none;"></td>
<td width="36" style="border:none;"></td>
<td width="1" style="border:none;"></td>
<td width="34" style="border:none;"></td>
<td width="575" style="border:none;"></td>   </tr> </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">2</font><font size="2"><a name="PB_2_163051_8741"></a></font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\105192\20-7227-1\task9603840\7227-1-ba.htm',USER='105192',CD='Feb 11 03:47 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   1(a).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Name of Issuer:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt 10.1pt;text-indent:-10.1pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sierra Oncology, Inc.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   1(b).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Address of   Issuer&#146;s Principal Executive Offices:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">c/o 2150   &#150; 885 West Georgia Street<br>   Vancouver, British Columbia, Canada V6C 3E8</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   2(a).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Name of Person   Filing:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Gilead   Sciences, Inc.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   2(b).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Address of   Principal Business Office or, if none, Residence:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The   principal business address of Gilead Sciences, Inc. is as follows:</font></p>
<p style="margin:0in 0in .0001pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">333 Lakeside Drive</font></p>
<p style="margin:0in 0in .0001pt .5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Foster City, California 94404</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   2(c).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Citizenship:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Gilead is   organized under the laws of the State of Delaware.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   2(d).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Titles of Classes   of Securities:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Common   Stock, par value $0.001 per share (the &#147;Shares&#148;).</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item   2(e).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CUSIP Number:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">82640U404</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.72%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 3.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.28%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">If this statement   is filed pursuant to &#167;&#167;240.13d-1(b) or 240.13d-2(b) or (c), check whether the   person filing is a:</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in 3.0pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">3</font><font size="2"><a name="PB_3_163104_7056"></a></font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='3',FILE='C:\JMS\105192\20-7227-1\task9603840\7227-1-ba.htm',USER='105192',CD='Feb 11 03:47 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.92%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 4.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.08%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Ownership</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in 3.0pt 10.1pt;text-indent:-10.1pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a) Amount beneficially owned:</font></p>
<p style="margin:3.0pt 0in 3.0pt 10.1pt;text-indent:-10.1pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">See response to Item 9 on the cover page.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)   Percent of class:</font></p>
<p style="margin:3.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">See   response to Item 11 on the cover page. The reporting person&#146;s beneficial   ownership of Shares disclosed herein includes 725,283 Shares held by the   reporting person and such number of Shares as are issuable to the reporting   person upon exercise of a Warrant to Purchase Common Stock, dated January 31,   2020, issued by Sierra Oncology, Inc. to Gilead Sciences, Inc., which   entitles the reporting person to acquire up to 725,283 Shares, but which   provides that the reporting person shall not be entitled to make any exercise   to the extent that after giving effect to such exercise, the reporting person   (together with its affiliates and any other persons acting as a group   together) would beneficially own in excess of 9.99% of the Shares outstanding   immediately after giving effect to such exercise. The percentage ownership   reported herein is based on 10,395,732 Shares outstanding as of January 31,   2020, as reported to the reporting person by Sierra Oncology, Inc.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)   Number of shares as to which such person has: </font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i) Sole   power to vote or to direct the vote:</font></p>
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">See   response to Item 5 on the cover page.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)   Shared power to vote or to direct the vote:</font></p>
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">See   response to Item 6 on the cover page.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iii)   Sole power to dispose or to direct the disposition of:</font></p>
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">See   response to Item 7 on the cover page.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iv)   Shared power to dispose or to direct the disposition of:</font></p>
<p style="margin:3.0pt 0in 3.0pt .25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">See   response to Item 8 on the cover page.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.92%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 5.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.08%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Ownership of Five   Percent or Less of a Class.</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.92%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 6.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.08%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Ownership of More   than Five Percent on Behalf of Another Person.</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.92%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 7.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.08%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Identification and   Classification of the Subsidiary Which Acquired the Security Being Reported   on By the Parent Holding Company.</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.92%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 8.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.08%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Identification and   Classification of Members of the Group.</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="10%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:10.92%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.</font></b></p>    </td>
<td width="89%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:89.08%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Notice of Dissolution   of Group.</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">4</font><font size="2"><a name="PB_4_163110_5335"></a></font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='4',FILE='C:\JMS\105192\20-7227-1\task9603840\7227-1-ba.htm',USER='105192',CD='Feb 11 03:47 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="9%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:9.72%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 10.</font></b></p>    </td>
<td width="90%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:90.28%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Certification.</font></b></p>    </td>   </tr>
<tr>
<td width="100%" colspan="2" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By signing below I certify that, to   the best of my knowledge and belief, the securities referred to above were   not acquired and are not held for the purpose of or with the effect of   changing or influencing the control of the issuer of the securities and were   not acquired and are not held in connection with or as a participant in any   transaction having that purpose or effect, other than activities solely in   connection with a nomination under &#167;240.14a-11.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;text-transform:uppercase;">Signature</font></u></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated: February&nbsp;10, 2020</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;">
<tr>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">GILEAD   SCIENCES,&nbsp;INC.</font></b></p>    </td>   </tr>
<tr>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.16%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>    </td>
<td width="45%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:45.84%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Brett A. Pletcher</font></p>    </td>   </tr>
<tr>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.16%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="45%" valign="top" style="padding:0in 0in 0in 0in;width:45.84%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:   Brett A. Pletcher</font></p>    </td>   </tr>
<tr>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.16%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="45%" valign="top" style="padding:0in 0in 0in 0in;width:45.84%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:&nbsp;&nbsp; EVP, Corporate Affairs, General Counsel,   and Corporate Secretary</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">5</font><font size="2"><a name="PB_5_163116_5796"></a></font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
</div>
<!-- SEQ.=1,FOLIO='5',FILE='C:\JMS\105192\20-7227-1\task9603840\7227-1-ba.htm',USER='105192',CD='Feb 11 03:47 2020' -->

</body>
</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
