March 5, 2026 · Form 4 insider transaction
Horgen Jay C. bought 17,563 shares of Affiliated Managers Group, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Reflects the vesting of previously reported awards. Awards vest 2023-2029.; Reflects the transfer of 200,000 shares of common stock to a grantor retained annuity trust.