John R. Erickson - 01 Jan 2022 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Role: Head of Affiliate Engagement
Signature: /s/ David M. Billings, Attorney-in-Fact
Issuer symbol: AMG
Transactions as of: 01 Jan 2022
Transactions value $: -$330,336
Form type: 4
Filing time: 04 Jan 2022, 16:09:00 UTC
Previous filing: 06 Dec 2021
Next filing: 08 Mar 2022
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	+4,434	+19%	$0	28,151	01 Jan 2022	Direct	F1
transaction	AMG	Common Stock	Tax liability	-$330,336	-2,008	-7.1%	$164.51	26,143	01 Jan 2022	Direct	F2

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	-4,434	-31%	$0	9,715	01 Jan 2022	Common Stock	4,434		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.