Rizwan M. Jamal - Jan 1, 2024 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Role: Head of Affiliate Investments
Signature: /s/ Kavita Padiyar, Attorney-in-Fact
Stock symbol: AMG
Transactions as of: Jan 1, 2024
Transactions value $: -$159,748
Form type: 4
Date filed: 1/3/2024, 05:34 PM
Previous filing: Nov 17, 2023
Next filing: Mar 7, 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMG	Common Stock	Options Exercise	$0	+2.27K		$0.00	2.27K	Jan 1, 2024	Direct	F1
transaction	AMG	Common Stock	Tax liability	-$160K	-1.06K	-46.48%	$151.42	1.22K	Jan 1, 2024	Direct	F2
holding	AMG	Common Stock						70.8K	Jan 1, 2024	By Family Trusts

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	Stock Units	Options Exercise	$0	-2.27K	-9.96%	$0.00	20.5K	Jan 1, 2024	Common Stock	2.27K		Direct	F1

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

Explanation of Responses:

Id	Content
F1	Reflects the vesting of a previously reported award. Award vests 2021-2024.
F2	Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the award described above.