Kavita Padiyar - Sep 2, 2025 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Role: General Counsel & Corp. Sec.
Signature: /s/ Kavita Padiyar
Stock symbol: AMG
Transactions as of: Sep 2, 2025
Transactions value $: -$3,603,975
Form type: 4
Date filed: 9/4/2025, 05:00 PM
Previous filing: May 13, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Padiyar Kavita	General Counsel & Corp. Sec.	C/O AFFILIATED MANAGERS GROUP, INC., 777 SOUTH FLAGLER DRIVE, WEST PALM BEACH	/s/ Kavita Padiyar	2025-09-04	0002017736

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMG	Common Stock	Options Exercise	$3.52M	+47.7K	+185.72%	$73.81	73.4K	Sep 2, 2025	Direct
transaction	AMG	Common Stock	Tax liability	-$7.13M	-31K	-42.2%	$229.97	42.4K	Sep 2, 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMG	Employee Stock Option (Right to Buy)	Options Exercise	$0	-47.7K	-97.24%	$0.00	1.35K	Sep 2, 2025	Common Stock	47.7K	$73.81	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.