Jay C. Horgen - 23 Dec 2025 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Signature
/s/ Kavita Padiyar, Attorney-in-Fact
Issuer symbol
AMG
Transactions as of
23 Dec 2025
Net transactions value
$0
Form type
4
Filing time
23 Dec 2025, 17:05:57 UTC
Previous filing
04 Sep 2025
Next filing
09 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Horgen Jay C. Chief Executive Officer, Director C/O AFFILIATED MANAGERS GROUP, INC., 777 SOUTH FLAGLER DRIVE, WEST PALM BEACH /s/ Kavita Padiyar, Attorney-in-Fact 23 Dec 2025 0001432993

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMG Common Stock Gift $0 -4,000 -0.78% $0.000000 510,387 23 Dec 2025 Direct F1
holding AMG Common Stock 34,058 23 Dec 2025 By Family Trusts
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Gift of common stock to a charitable donor advised fund.