<SEC-DOCUMENT>0001415889-21-001294.txt : 20210303
<SEC-HEADER>0001415889-21-001294.hdr.sgml : 20210303
<ACCEPTANCE-DATETIME>20210303200029
ACCESSION NUMBER:		0001415889-21-001294
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160623
FILED AS OF DATE:		20210303
DATE AS OF CHANGE:		20210303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Montgomery Alan Bruce
		CENTRAL INDEX KEY:			0001313936

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36182
		FILM NUMBER:		21711832

	MAIL ADDRESS:	
		STREET 1:		1111 MAIN STREET, SUITE 660
		CITY:			VANCOUVER
		STATE:			WA
		ZIP:			98660

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xencor Inc
		CENTRAL INDEX KEY:			0001326732
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				201622502
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		111 WEST LEMON AVE
		CITY:			MONROVIA
		STATE:			CA
		ZIP:			91016
		BUSINESS PHONE:		626-305-5900

	MAIL ADDRESS:	
		STREET 1:		111 WEST LEMON AVE
		CITY:			MONROVIA
		STATE:			CA
		ZIP:			91016
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>form4a-03032021_080308.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2016-06-23</periodOfReport>

    <dateOfOriginalSubmission>2016-07-08</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001326732</issuerCik>
        <issuerName>Xencor Inc</issuerName>
        <issuerTradingSymbol>XNCR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001313936</rptOwnerCik>
            <rptOwnerName>Montgomery Alan Bruce</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O XENCOR, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>111 W. LEMON AVE</rptOwnerStreet2>
            <rptOwnerCity>MONROVIA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.43</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-06-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-06-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The initial filing incorrectly listed the exercise price at $14.83 per share due to an administrative error.</footnote>
        <footnote id="F2">100% of the shares subject to the option vest on June 23, 2017.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Celia E. Eckert, Attorney-in-Fact</signatureName>
        <signatureDate>2021-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-03032021_080308.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//IETF//DTD HTML//EN">
<html><head><title>ex24-03032021_080308.htm</title><meta name="date" content="03/01/2021"></head><body style="margin-top:0;font-family:Times New Roman; font-size:10pt; color:#000000">
<p style="line-height:12pt; margin-top:0px; margin-bottom:16px; font-size:12pt" align="center"><b>POWER OF ATTORNEY</b></p>
<p style="margin-top:0px; margin-bottom:16px; text-indent:48px; font-size:12pt" align="justify">Know all by these presents, that the undersigned hereby constitutes and appoints each of Bassil I. Dahiyat, John J. Kuch and Celia Eckert of Xencor, Inc. (the <b><i>&#147;Company&#148;</i></b>), signing individually, the undersigned&#146;s true and lawful attorney-in-fact and agent to: </p>
<p style="margin-top:0px; margin-bottom:16px; padding-left:30px; text-indent:48px; font-size:12pt" align="justify">(1) execute for and on behalf of the undersigned, an officer, director or holder of 10% of more of a registered class of securities of the Company, Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended (the <b><i>&#147;Exchange Act&#148;</i></b>) and the rules thereunder; </p>
<p style="margin-top:0px; margin-bottom:16px; padding-left:30px; text-indent:48px; font-size:12pt" align="justify">(2) do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to complete and execute such Form 3, 4 or 5, complete and execute any amendment or amendments thereto, and timely file such forms or amendments with the United States Securities and Exchange Commission and any stock exchange or similar authority; and</p>
<p style="margin-top:0px; margin-bottom:16px; padding-left:30px; text-indent:48px; font-size:12pt" align="justify">(3) take any other action of any nature whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&#146;s discretion.</p>
<p style="margin-top:0px; margin-bottom:16px; text-indent:48px; font-size:12pt" align="justify">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact&#146;s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. &nbsp;The undersigned acknowledges that each of the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned&#146;s responsibilities to comply with Section 16 of the Exchange Act.</p>
<p style="margin-top:0px; margin-bottom:16px; text-indent:48px; font-size:12pt" align="justify">This Power of Attorney shall remain in full force and effect until the earliest to occur of (a)&nbsp;the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned&#146;s holdings of and transactions in securities issued by the Company, (b) revocation by the undersigned in a signed writing delivered to the foregoing attorney-in-fact or (c) until such attorney-in-fact shall no longer be employed by the Company.</p>
<p style="margin-top:0px; margin-bottom:16px; text-indent:48px; font-size:7.2pt" align="justify"><b>IN WITNESS WHEREOF</b><b style="font-size:12pt;font-weight:normal;">, the undersigned has caused this Power of Attorney to be executed as of this 13th day of January, 2021.</b></p>
<p style="margin:0px; padding-left:288px; font-size:12pt" align="justify"><i><u>/s/ Alan Bruce Montgomery</u></i></p>
<p style="margin:0px; padding-left:288px; font-size:12pt" align="justify">Alan Bruce Montgomery</p>
<p style="margin:0px" align="justify"><br><br><br></p>
<p style="line-height:10pt; margin:0px; font-size:12pt">&nbsp;</p>
<p style="line-height:10pt; margin:0px"><br></p>
</body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
