Affiliated Managers (AMG) Director Reports 664-Share Vesting

Rhea-AI Filing Summary

Annette Franqui, a director of Affiliated Managers Group, Inc. (AMG), reported a Form 4 showing a transaction on 08/15/2025 that reflects the vesting of a previously reported award. The filing shows 664 common shares (stock units) were acquired at a price of $0 as a result of vesting, and after the reported transactions she beneficially owned 1,025 shares in a direct capacity. The form is signed by an attorney-in-fact on behalf of the reporting person and cites the vesting in 2025 as the reason for the change in ownership.

Positive

• 664 common shares were acquired through the vesting of a previously reported award on 08/15/2025
• Filing explicitly states the reason for the change: award vested in 2025
• Reporting person is identified as a Director and direct beneficial ownership after the transaction is shown as 1,025 shares

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine equity award vesting by a director; disclosure clarifies beneficial ownership change but is not a material market event.

The Form 4 documents a common occurrence for insiders: a previously reported equity award vested on 08/15/2025 resulting in the acquisition of 664 shares at no cash cost to the reporting person. The filing identifies the reporting person as a director and reports direct beneficial ownership of 1,025 shares after the transaction. This is a standard disclosure under Section 16 and provides transparency on insider holdings; the filing contains an explanatory note stating the award vested in 2025.

Securities Analyst

TL;DR: Non-cash vesting of 664 shares increased reported direct holdings to 1,025 shares; disclosure is routine and informational.

The transaction code reported is 'M' indicating a conversion/settlement, and the explanatory line explicitly states the change reflects vesting. The shares were acquired at a reported price of $0 and the form was executed by an attorney-in-fact on 08/18/2025. For investors and compliance teams, the filing confirms the timing and magnitude of the insider's equity change but does not disclose any trading or sale activity.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

FRANQUI ANNETTE

(Last) (First) (Middle)

C/O AFFILIATED MANAGERS GROUP, INC.

777 SOUTH FLAGLER DR.

(Street)

WEST PALM BEACH FL 33401

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AFFILIATED MANAGERS GROUP, INC. [ AMG ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

4. 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 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	08/15/2025		M		664	A	$0(1)	664	D

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 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: 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 Units	(1)	08/15/2025		M			664	(1)	(1)	Common Stock	664	$0	1,025	D

Explanation of Responses:

1. Reflects the vesting of a previously reported award. Award vested in 2025.

	/s/ Kavita Padiyar, Attorney-in-Fact	08/18/2025
	** 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 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).
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.

FAQ

What did Annette Franqui report on Form 4 for AMG?

The Form 4 reports the vesting of a previously reported award resulting in the acquisition of 664 common shares on 08/15/2025.

How many AMG shares does the reporting person beneficially own after the transaction?

After the reported transaction the filing shows 1,025 shares beneficially owned in a direct capacity.

At what price were the vested AMG shares reported as acquired?

The shares acquired through vesting are reported at a price of $0.

What is the relationship of the reporting person to AMG?

The filing indicates the reporting person, Annette Franqui, is a Director of Affiliated Managers Group, Inc.

When was the Form 4 signed and by whom?

The form bears a signature by /s/ Kavita Padiyar, Attorney-in-Fact dated 08/18/2025.