G. Staley Cates - 01 May 2026 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Key filing fact

G. Staley Cates filed Form 4 for AFFILIATED MANAGERS GROUP, INC. (AMG) on 05 May 2026.

Key facts

This page summarizes G. Staley Cates's Form 4 filing for AFFILIATED MANAGERS GROUP, INC. (AMG).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 05 May 2026, 17:01.

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

CIK 0002125273 Primary reporting owner

Relationship: Director
Address: C/O AFFILIATED MANAGERS GROUP, INC., 1001 U.S. HIGHWAY ONE NORTH, JUPITER
Signature: /s/ Kavita Padiyar, Attorney-in-Fact
Signature date: 05 May 2026

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMG transaction Derivative

Award

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Explanation of responses 1 footnote

Footnote F1

Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on August 15, 2027.