Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001004434-26-000021
Filing Date
2026-03-09
Accepted
2026-03-09 17:30:42
Documents
1
Period of Report
2026-03-05

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 3647
  Complete submission text file 0001004434-26-000021.txt   5270
Mailing Address 777 SOUTH FLAGLER DRIVE SUITE 1401 EAST TOWER WEST PALM BEACH FL 33401
Business Address 777 SOUTH FLAGLER DRIVE SUITE 1401 EAST TOWER WEST PALM BEACH FL 33401 (800) 345-1100
AFFILIATED MANAGERS GROUP, INC. (Issuer) CIK: 0001004434 (see all company filings)

EIN.: 043218510 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6282 Investment Advice
(CF Office: 02 Finance)

Mailing Address C/O AFFILIATED MANAGERS GROUP, INC. 777 SOUTH FLAGLER DRIVE WEST PALM BEACH FL 33401
Business Address
Engel Marcy (Reporting) CIK: 0001741893 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-13459 | Film No.: 26736340