Welcome to our dedicated page for AFFILIATED MANAGERS GROUP SEC filings (Ticker: AMG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Tracy P. Palandjian, a director of Affiliated Managers Group, Inc. (AMG), reported the vesting of previously granted awards on 08/15/2025. The filing shows 1,117 stock units vested (reported as acquired at $0), increasing her reported direct common stock holdings to 17,886 shares. The report also shows 2,837 derivative units beneficially owned, inclusive of previously reported deferred stock units. The filing notes that the awards vest over 2022–2027. The form was signed by an attorney-in-fact on 08/18/2025.
Affiliated Managers Group (AMG) Form 4 shows insider transactions by Jay C. Horgen, who serves as CEO and a director. On 08/12/2025 he exercised 75,000 employee stock options with an exercise price of $74.49, receiving 75,000 common shares. The filing also records a disposition of 45,607 shares at $219.70. After these transactions Mr. Horgen beneficially owned 529,929 shares directly and 34,058 shares indirectly through family trusts, with a reported total of 150,000 shares from options held directly following execution.