0001127602-25-008741.txt : 20250307 0001127602-25-008741.hdr.sgml : 20250307 20250307170712 ACCESSION NUMBER: 0001127602-25-008741 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250305 FILED AS OF DATE: 20250307 DATE AS OF CHANGE: 20250307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Alvingham Karen L. CENTRAL INDEX KEY: 0001726148 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13459 FILM NUMBER: 25721143 MAIL ADDRESS: STREET 1: C/O AFFILIATED MANAGERS GROUP INC STREET 2: 777 SOUTH FLAGLER DRIVE CITY: WEST PALM BEACH STATE: FL ZIP: 33401 FORMER NAME: FORMER CONFORMED NAME: Yerburgh Karen DATE OF NAME CHANGE: 20171221 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AFFILIATED MANAGERS GROUP, INC. CENTRAL INDEX KEY: 0001004434 STANDARD INDUSTRIAL CLASSIFICATION: INVESTMENT ADVICE [6282] ORGANIZATION NAME: 02 Finance IRS NUMBER: 043218510 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 777 SOUTH FLAGLER DRIVE STREET 2: SUITE 1401 EAST TOWER CITY: WEST PALM BEACH STATE: FL ZIP: 33401 BUSINESS PHONE: (800) 345-1100 MAIL ADDRESS: STREET 1: 777 SOUTH FLAGLER DRIVE STREET 2: SUITE 1401 EAST TOWER CITY: WEST PALM BEACH STATE: FL ZIP: 33401 FORMER COMPANY: FORMER CONFORMED NAME: AFFILIATED MANAGERS GROUP INC DATE OF NAME CHANGE: 19970822 4 1 form4.xml PRIMARY DOCUMENT X0508 4 2025-03-05 0001004434 AFFILIATED MANAGERS GROUP, INC. AMG 0001726148 Alvingham Karen L. C/O AFFILIATED MANAGERS GROUP, INC. 777 SOUTH FLAGLER DRIVE WEST PALM BEACH FL 33401 1 0 Common Stock 2025-03-05 4 M 0 1178 0 A 10947 D Common Stock 2025-03-05 4 F 0 90 165.72 D 10857 D Stock Units 2025-03-05 4 M 0 1178 0 D Common Stock 1178 4928 D Reflects the vesting of previously reported awards. Awards vest 2022-2027. 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. Inclusive of previously reported deferred stock units. /s/ Kavita Padiyar, Attorney-in-Fact 2025-03-07