Thomas M. Wojcik - 08 Sep 2025 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Role
President and COO
Signature
/s/ Kavita Padiyar, Attorney-in-Fact
Issuer symbol
AMG
Transactions as of
08 Sep 2025
Transactions value $
-$17,442,609
Form type
4
Filing time
09 Sep 2025, 17:03:55 UTC
Previous filing
07 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wojcik Thomas M President and COO C/O AFFILIATED MANAGERS GROUP, INC., 777 SOUTH FLAGLER DRIVE, WEST PALM BEACH /s/ Kavita Padiyar, Attorney-in-Fact 09 Sep 2025 0001776685

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMG Common Stock Options Exercise $12.6M +169K +141.78% $74.49 289K 08 Sep 2025 Direct
transaction AMG Common Stock Tax liability -$26.4M -114K -39.49% $231.19 175K 08 Sep 2025 Direct
transaction AMG Common Stock Sale -$3.7M -16K -9.16% $231.03 159K 09 Sep 2025 Direct F1

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 Employee Stock Option (Right to Buy) Options Exercise $0 -169K -99.21% $0.00 1.34K 08 Sep 2025 Common Stock 169K $74.49 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $229.95 to $233.05. Specific transaction details will be provided to the SEC upon request.