John R. Erickson - 15 Aug 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: 15 Aug 2022
Transactions value $: -$683,538
Form type: 4
Filing time: 17 Aug 2022, 17:24:08 UTC
Previous filing: 08 Mar 2022
Next filing: 04 Jan 2023
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	+10,963	+34.29%	$0	42,931	15 Aug 2022	Direct	F1
transaction	AMG	Common Stock	Tax liability	-$683,537	-4,888	-11.39%	$139.84	38,043	15 Aug 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	-10,963	-100%	$0^*	0	15 Aug 2022	Common Stock	10,963		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. The award vested on August 15, 2022.
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.