<SEC-DOCUMENT>0001127602-21-001210.txt : 20210107
<SEC-HEADER>0001127602-21-001210.hdr.sgml : 20210107
<ACCEPTANCE-DATETIME>20210107165615
ACCESSION NUMBER:		0001127602-21-001210
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210101
FILED AS OF DATE:		20210107
DATE AS OF CHANGE:		20210107

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Li Dean Y
		CENTRAL INDEX KEY:			0001837016

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06571
		FILM NUMBER:		21514780

	MAIL ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Merck & Co., Inc.
		CENTRAL INDEX KEY:			0000310158
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				221918501
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033
		BUSINESS PHONE:		908-740-4000

	MAIL ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Merck & Co. Inc.
		DATE OF NAME CHANGE:	20091103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCHERING PLOUGH CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-01-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000310158</issuerCik>
        <issuerName>Merck &amp; Co., Inc.</issuerName>
        <issuerTradingSymbol>MRK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001837016</rptOwnerCik>
            <rptOwnerName>Li Dean Y</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>MERCK &amp; CO., INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2000 GALLOPING HILL ROAD</rptOwnerStreet2>
            <rptOwnerCity>KENILWORTH</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07033</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Executive VP &amp; President, MRL</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7170.093</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2019-05-04</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-05-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>694</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2020-05-03</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2022-05-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2021-05-01</value>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-05-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3090</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>63.97</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2018-05-05</value>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-05-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>14265</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>57.75</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2019-05-04</value>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-05-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>14638</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>80.00</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2020-05-03</value>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-05-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16936</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>77.67</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2021-05-01</value>
                <footnoteId id="F9"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-04-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24165</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Holdings include shares acquired in dividend reinvestment transactions.</footnote>
        <footnote id="F2">These restricted stock units vest and are distributed as shares of Merck &amp; Co., Inc. common stock in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021.</footnote>
        <footnote id="F3">Each restricted stock unit represents a contingent right to receive one share of Merck &amp; Co., Inc. common stock.</footnote>
        <footnote id="F4">These restricted stock units vest and are distributed as shares of Merck &amp; Co., Inc. common stock in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022.</footnote>
        <footnote id="F5">These restricted stock units vest and are distributed as shares of Merck &amp; Co., Inc. common stock in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023.</footnote>
        <footnote id="F6">The option became exercisable in equal installments on 5/5/2018, 5/5/2019 and 5/5/2020.</footnote>
        <footnote id="F7">The option vests and becomes exercisable in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021.</footnote>
        <footnote id="F8">The option vests and becomes exercisable in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022.</footnote>
        <footnote id="F9">The option vests and becomes exercisable in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023.</footnote>
    </footnotes>

    <remarks>See Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Kelly Grez as Attorney-in-Fact for Dean Y. Li</signatureName>
        <signatureDate>2021-01-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): POWER OF ATTORNEY
<TEXT>
POWER OF ATTORNEY


	The undersigned hereby constitutes and appoints each of Jennifer
Zachary, Jon Filderman, Kelly Grez and Courtney Ausfahl, signing singly,
the undersigned?s true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the undersigned?s
capacity as an officer or director of Merck & Co., Inc. (the ?Company?),
Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder;

(2)	do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute
any such Forms 3, 4 or 5, complete and execute any amendment or
amendments thereto, and timely file such form with the United
States Securities and Exchange Commission and any stock exchange
or similar authority; and

(3)	take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact,
may be of benefit to, 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?s
discretion.

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?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.  The undersigned acknowledges that
the foregoing attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming, nor is the Company assuming, any of the
undersigned?s responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to
the undersigned?s holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact. This Power of Attorney
revokes all previous powers of attorney with respect to the subject
matter of this Power of Attorney.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 13th day of December 2020.




						/s/ Dean Y. Li
						DEAN Y. LI
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
