Insider Transaction Report for Annette Franqui

Annette Franqui, a director at AFFILIATED MANAGERS GROUP, INC. (AMG), acquired 274 stock units on July 30, 2026. These stock units, representing a right to receive one share of common stock upon vesting, are set to vest in full on August 15, 2027. The acquisition was made at a price of $0.0 per share, and post-transaction, Ms. Franqui holds 274 stock units. The underlying security for these units is the company's common stock. This transaction is reported on Form 4.