Jay C. Horgen - Jan 1, 2022 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Role: President and CEO, Director
Signature: /s/ David M. Billings, Attorney-in-Fact
Stock symbol: AMG
Transactions as of: Jan 1, 2022
Transactions value $: -$716,935
Form type: 4
Date filed: 1/4/2022, 04:01 PM
Previous filing: Sep 15, 2021
Next filing: Mar 8, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMG	Common Stock	Gift	$0	-6K	-3.26%	$0.00	178K	Nov 5, 2021	Direct
transaction	AMG	Common Stock	Options Exercise	$0	+10.8K	+6.05%	$0.00	189K	Jan 1, 2022	Direct	F1
transaction	AMG	Common Stock	Tax liability	-$717K	-4.36K	-2.31%	$164.51	184K	Jan 1, 2022	Direct	F2
holding	AMG	Common Stock						5.5K	Jan 1, 2022	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	-10.8K	-30.24%	$0.00	24.8K	Jan 1, 2022	Common Stock	10.8K		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 previously reported awards. Awards vest 2019-2024.
F2	Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.