MRK Merck and Co Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Clyburn Frank	2. Issuer Name and Ticker or Trading Symbol Merck & Co., Inc. [ MRK ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) EVP, Chief Commercial Officer
(Last)          (First)          (Middle) MERCK & CO., INC., 2000 GALLOPING HILL ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 8/5/2020
(Street) KENILWORTH, NJ 07033 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	8/5/2020		M		18876	A	$0	99639.106	D
Common Stock	8/5/2020		S		18876	D	$81.5466 (1)	80763.106 (2)	D
Common Stock - 401(k) Plan								1629.2567 (3)	I	By 401(k)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$39.29	8/5/2020		M			18876	5/2/2013 (4)	5/1/2022	Common Stock	18876	$0	0	D

Explanation of Responses:
(1)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.5400 to $81.5550, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in this footnote.
(2)	Holdings include shares acquired in dividend reinvestment transactions.
(3)	Includes shares acquired and dividends earned through July 7, 2020, in the Merck U.S. Savings Plan, a 401(k) plan.
(4)	The option became exercisable in equal installments on 5/2/2013, 5/2/2014 and 5/2/2015.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Clyburn Frank MERCK & CO., INC. 2000 GALLOPING HILL ROAD KENILWORTH, NJ 07033			EVP, Chief Commercial Officer

Signatures
/s/ Faye C. Brown as Attorney-in-Fact for Frank Clyburn		8/6/2020
**Signature of Reporting Person		Date