SEC FORM 3

SEC FORM 3 SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Brennan Katherine

(Last)

(First)

(Middle)

1166 AVENUE OF THE AMERICAS

(Street)

NEW YORK

10036

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/11/2022

3. Issuer Name and Ticker or Trading Symbol
MARSH & MCLENNAN COMPANIES, INC. [ MMC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
SVP and General Counsel

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units	⁽¹⁾	⁽¹⁾	Common Stock	3,786	⁽²⁾	D
Stock Options (Right to Buy)	⁽³⁾	02/20/2028	Common Stock	1,197	83.046	D
Stock Options (Right to Buy)	⁽⁴⁾	02/18/2029	Common Stock	5,609	90.785	D
Stock Options (Right to Buy)	⁽⁵⁾	02/18/2030	Common Stock	4,743	118.865	D
Stock Options (Right to Buy)	⁽⁶⁾	02/21/2031	Common Stock	5,900	117.53	D
Stock Options (Right to Buy)	⁽⁷⁾	02/23/2032	Common Stock	4,183	151.368	D

Explanation of Responses:

1. These restricted stock units vest in three equal annual installments. The restricted stock units were granted on various dates between between February 19, 2020 and February 23, 2022.

2. The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.

3. These options were granted on February 21, 2018 and vested in four equal annual installments on February 21st of 2019, 2020, 2021 and 2022.

4. These options were granted on February 19, 2019 and vest in four equal annual installments on February 19th of 2020, 2021, 2022 and 2023.

5. These options were granted on February 19, 2020 and vest in four equal annual installments on February 19th of 2021, 2022, 2023 and 2024.

6. These options were granted on February 22, 2021 and vest in four equal annual installments on February 22nd of 2022, 2023, 2024 and 2025.

7. These options were granted on February 23, 2022 and vest in four equal annual installments on February 23rd of 2023, 2024, 2025 and 2026.

	/s/ Courtenay Birchler, Attorney-in-fact	03/21/2022
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

SEC Form 3 filed by new insider Brennan Katherine