Thomas M. Wojcik - 05 Mar 2026 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
05 Mar 2026
Net transactions value
-$2,290,400
Form type
4
Filing time
09 Mar 2026, 18:26:24 UTC
Previous filing
09 Sep 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 Mar 2026 0001776685

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMG Common Stock Options Exercise +7,272 +4.6% $0.000000* 165,982 05 Mar 2026 Direct F1
transaction AMG Common Stock Award +10,619 +6.4% $0.000000* 176,601 05 Mar 2026 Direct F2
transaction AMG Common Stock Tax liability -9,136 -5.2% $299.18* 167,465 05 Mar 2026 Direct F3
transaction AMG Common Stock Sale $2,290,400 -8,000 -4.8% $286.30 159,465 06 Mar 2026 Direct F4

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 -7,272 -43% $0.000000* 9,546 05 Mar 2026 Common Stock 7,272 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Thomas M. Wojcik is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 Reflects the vesting of previously reported awards. As previously disclosed, all of the reporting person's then-outstanding unvested equity awards were cancelled and terminated on March 6, 2026 in connection with the reporting person's termination of employment on such date.
F2 Award granted in March 2023, which settled following the achievement of performance conditions previously described in the Company's annual meeting proxy statements.
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 The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $285.89 to $286.69. Specific transaction details will be provided to the SEC upon request.