<SEC-DOCUMENT>0001225208-26-004653.txt : 20260427
<SEC-HEADER>0001225208-26-004653.hdr.sgml : 20260427
<ACCEPTANCE-DATETIME>20260427182331
ACCESSION NUMBER:		0001225208-26-004653
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20260401
FILED AS OF DATE:		20260427
DATE AS OF CHANGE:		20260427

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hancock Dennis P
		CENTRAL INDEX KEY:			0002127636
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03619
		FILM NUMBER:		26902590

	MAIL ADDRESS:	
		STREET 1:		PFIZER INC.
		STREET 2:		66 HUDSON BOULEVARD EAST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PFIZER INC
		CENTRAL INDEX KEY:			0000078003
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				135315170
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		66 HUDSON BOULEVARD EAST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001-2192
		BUSINESS PHONE:		2127332323

	MAIL ADDRESS:	
		STREET 1:		66 HUDSON BOULEVARD EAST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001-2192

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PFIZER CHARLES & CO INC
		DATE OF NAME CHANGE:	19710908
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0607</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2026-04-01</periodOfReport>

    <dateOfOriginalSubmission>2026-04-10</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000078003</issuerCik>
        <issuerName>PFIZER INC</issuerName>
        <issuerTradingSymbol>PFE</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002127636</rptOwnerCik>
            <rptOwnerName>Hancock Dennis P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>66 HUDSON BOULEVARD EAST</rptOwnerStreet1>
            <rptOwnerStreet2>ATTN: CORPORATE SECRETARY</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10001-2192</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1940.0000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Rule 16b-3 Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 3/A is being filed to include common shares held indirectly in the Pfizer Savings Plan that were inadvertently omitted from the reporting person's original Form 3 filed on April 10, 2026.</footnote>
    </footnotes>

    <remarks>dphxpoa26.htm</remarks>

    <ownerSignature>
        <signatureName>/s/ Shanice A. Reid, by Power of atty, for Dennis P. Hancock</signatureName>
        <signatureDate>2026-04-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>dphxpoa26.htm
<TEXT>
<html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2026 Workiva -->
<title>Document</title></head><body><div id="i6be66f2363db4c8e9eb79dad7f309aa1_1"></div><div style="min-height:43.2pt;width:100%"><div><font><br></font></div></div><div style="margin-bottom:6pt;text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Exhibit 24</font></div><div style="margin-bottom:6pt;text-align:right"><font><br></font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%;text-decoration:underline">POWER OF ATTORNEY</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The undersigned hereby constitutes and appoints each of Tara J. Gabbai, Lori P. Hernando, Margaret M. Madden, Madelyn D. Purcell, Shanice A. Reid and Anika Reynolds as the undersigned&#8217;s true and lawful attorney-in-fact and agent, and grants each of them full power to act on behalf of the undersigned and in the undersigned&#8217;s name, place and stead, in any and all capacities, for the purpose of completing and signing, on behalf of the undersigned, </font></div><div style="margin-bottom:5pt;margin-top:5pt;padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.5pt">any Form 3, Form 4 or Form 5 required or permitted to be filed by the undersigned pursuant to Section 16 of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), </font></div><div style="margin-bottom:5pt;margin-top:5pt;padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.5pt">any Form 144 required to be filed by the undersigned under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), and Rule 144 promulgated thereunder, and</font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.5pt">any and all other documents, including, without limitation, Form ID, necessary or desirable to facilitate the filing by the undersigned of Form 144 and forms under Section 16 of the Exchange Act, </font></div><div style="margin-bottom:5pt;margin-top:5pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">with regard to the undersigned's ownership of or transactions in securities of Pfizer Inc., including, without limitation, the power to complete and sign any and all amendments to such forms and documents, if any, and to file such forms and documents and amendments thereto with the Securities and Exchange Commission, and to do and perform each and every act and thing requisite or necessary to be done in connection with such forms and documents and amendments thereto, as fully and to all intents and purposes as the undersigned might or could do in person. </font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The authority of Tara J. Gabbai, Lori P. Hernando, Margaret M. Madden, Madelyn D. Purcell, Shanice A. Reid and Anika Reynolds under this Power of Attorney shall continue until the undersigned is no longer required to file Form 3, Form 4, Form 5 or Form 144 with regard to the undersigned's ownership of or transactions in securities of Pfizer Inc., unless earlier revoked in writing. The undersigned acknowledges that Tara J. Gabbai, Lori P. Hernando, Margaret M. Madden, Madelyn D. Purcell, Shanice A. Reid and Anika Reynolds are not assuming any of the undersigned's responsibilities to comply with Rule 144 under the Securities Act or Section 16 of the Exchange Act.</font></div><div><font><br></font></div><div><font><br></font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:94.230%"><tr><td style="width:1.0%"></td><td style="width:56.042%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:41.758%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:2.77pt;padding-right:2.77pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Signature&#58;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">  &#47;s&#47; Dennis P. Hancock</font></div><div style="margin-bottom:8pt;padding-left:2.77pt"><font><br></font></div></td><td colspan="3" style="padding:0 1pt"><div style="padding-left:2.77pt;padding-right:2.77pt"><font><br></font></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:2.77pt;padding-right:2.77pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Name&#58;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">  Dennis P. Hancock</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:2.77pt;padding-right:2.77pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Date March 31, 2026</font></div></td></tr></table></div><div><font><br></font></div><div style="height:48.96pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
