Ownership Submission
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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Glaser Daniel S
   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
__X__ Officer (give title below) _____ Other (specify below)
President and CEO, MMC
(Last)
(First)
(Middle)
1166 AVENUE OF THE AMERICAS		 3. Date of Earliest Transaction (Month/Day/Year)
02/19/2019
(Street)

NEW YORK, NY 10036		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 02/05/2019   G V 290 D $ 0 171,282.9999 (1) D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(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 Options (Right to Buy) $ 90.785 02/19/2019   A   322,488     (2) 02/18/2029 Common Stock 322,488 $ 0 322,488 D  
Restricted Stock Units (3) 02/19/2019   A(4)   31,669     (5)   (5) Common Stock 31,669 $ 0 97,097 (1) D  
Restricted Stock Units (3) 02/19/2019   A(6)   30,847     (5)   (5) Common Stock 30,847 $ 0 127,944 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Glaser Daniel S
1166 AVENUE OF THE AMERICAS
NEW YORK, NY 10036		   X     President and CEO, MMC  

Signatures

 /s/ Tiffany D. Wooley, Attorney-in-Fact   02/21/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Since the date of the Reporting Person's last ownership report, the Reporting Person transferred 107,219 shares of Issuer's common stock, 5,553 restricted stock units and employee stock options to purchase 1,244,589 shares of Issuer's common stock to his former spouse pursuant to a domestic relations order. The reporting person disclaims beneficial ownership, and no longer reports as beneficially owned, any securities owned by his former spouse.
(2) These options were granted on February 19, 2019 and vest in four equal annual installments on February 19th of 2020, 2021, 2022 and 2023.
(3) The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
(4) These restricted stock units vest in three equal annual installments on February 28th of 2020, 2021 and 2022.
(5) Not Applicable.
(6) These restricted stock units relate to performance stock units that were granted on February 22, 2016 for the performance period 2016-2018. The performance factor for these performance stock units was determined on February 19, 2019.

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