Insider · CIK 0002125273

Cates G. Staley

Reports to the SEC for 1 company · JUPITER, FL

Transactions

Companies

Filings

CIK

0002125273

Forms 4 and 5

Insider transactions

3 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-07-30	AMGAFFILIATED MANAGERS GROUP, INC. · Stock UnitsA Award	Director	AAward	+274 sh	—	—	274
2026-05-06	AMGAFFILIATED MANAGERS GROUP, INC.P Purchase	Director	PPurchase	+1,500 sh	$305.83	+$459K	6,405
2026-05-01	AMGAFFILIATED MANAGERS GROUP, INC. · Stock UnitsA Award	Director	AAward	+172 sh	—	—	172

C/O AFFILIATED MANAGERS GROUP, INC. 1001 U.S. HIGHWAY ONE NORTH

JUPITER, FL, 33477