Statement of Changes in Beneficial Ownership (4)

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 ^* SCHAPIRO MORTON O	2. Issuer Name and Ticker or Trading Symbol MARSH & MCLENNAN COMPANIES, INC. [ MMC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) C/O NORTHWESTERN UNIVERSITY, 633 CLARK ST., ROOM 2-130	3. Date of Earliest Transaction (MM/DD/YYYY) 5/15/2020
(Street) EVANSTON, IL 60208 (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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								8906.666 ⁽¹⁾	D

*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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stk. Units-Dir. Stk. Plan	⁽²⁾	5/15/2020		A ⁽³⁾		321.61		⁽⁴⁾	⁽⁴⁾	Common Stock	321.61	$104.94	68745.34	D
Restricted Stk. Units-Dir. Stk. Plan	⁽²⁾	5/15/2020		J ⁽⁵⁾	V	296.67		⁽⁴⁾	⁽⁴⁾	Common Stock	296.67	$104.94	69042.01	D

Explanation of Responses:
(1)	Includes a total of 38.166 shares acquired pursuant to the Marsh & McLennan dividend reinvestment plan on May 15, 2020.
(2)	The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
(3)	Acquired in connection with director fees pursuant to the Marsh & McLennan Companies Directors Stock Compensation Plan.
(4)	Not Applicable.
(5)	Acquired with dividend equivalents credited to the reporting person's account under the Marsh & McLennan Companies Directors Stock Compensation Plan.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
SCHAPIRO MORTON O C/O NORTHWESTERN UNIVERSITY 633 CLARK ST., ROOM 2-130 EVANSTON, IL 60208	X