AFFILIATED MANAGERS GROUP, INC. — Director's Dealing 2023

Mar 7, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AFFILIATED MANAGERS GROUP, INC. (AMG)
CIK: 0001004434
Period of Report: 2023-03-05

Reporting Person: Erickson John R (Head of Affiliate Engagement)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-03-05	Common Stock	A	20153	—	Acquired	60267	Direct
2023-03-05	Common Stock	M	2711	—	Acquired	62978	Direct
2023-03-05	Common Stock	F	10743	$160.76	Disposed	52235	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-03-05	Stock Units	$	A	10964	Acquired		Common Stock (10964)	Direct
2023-03-05	Stock Units	$	A	4336	Acquired		Common Stock (4336)	Direct
2023-03-05	Stock Units	$	M	2711	Disposed		Common Stock (2711)	Direct

Footnotes

F1: Award granted in March 2020, which settled following the achievement of performance conditions previously described in the Company's annual meeting proxy statements.

F2: Reflects the vesting of previously reported awards. Awards vest 2022-2026.

F3: 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.

F4: Reflects the third tranche of a restricted stock unit award granted in August 2019, which vests on August 15, 2023 following the satisfaction of applicable performance conditions previously described in the Company's annual meeting proxy statements.

F5: The award, issued under the Company's 2020 Equity Incentive Plan, vests in four equal installments on each of March 5, 2024, 2025, 2026 and 2027.