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.
AMG’s filings can feel like a maze—performance-fee tables, affiliate acquisition earn-outs, and dozens of segments buried in footnotes. If you have ever wondered, “How do I track Affiliated Managers Group insider trading Form 4 transactions or reconcile carried-interest income across periods?” you are not alone. Stock Titan applies AI to decode every Affiliated Managers Group SEC document, turning 200-page reports into clear summaries and real-time alerts.
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Karen L. Alvingham, a director of Affiliated Managers Group, Inc. (AMG), reported changes in her beneficial ownership on 08/14/2025–08/15/2025. The filing shows the vesting of previously awarded equity: 1,092 shares of common stock were issued upon vesting at $0 per share and 84 shares were automatically surrendered to the company to satisfy tax withholding at an indicated price of $218.70 per share. The report also shows 262 deferred stock units credited from elected cash fees, each unit equal to one share and distributable in common stock upon separation from board service. Following the reported transactions, the filing lists beneficial ownership figures of 11,865 shares of common stock and 4,313 shares represented by deferred stock units (inclusive of prior deferred units).
Annette Franqui, a director of Affiliated Managers Group, Inc. (AMG), reported a Form 4 showing a transaction on 08/15/2025 that reflects the vesting of a previously reported award. The filing shows 664 common shares (stock units) were acquired at a price of $0 as a result of vesting, and after the reported transactions she beneficially owned 1,025 shares in a direct capacity. The form is signed by an attorney-in-fact on behalf of the reporting person and cites the vesting in 2025 as the reason for the change in ownership.
Felix V. Matos Rodriguez, a director of Affiliated Managers Group (AMG), reported equity awards that vested on 08/15/2025. The filing shows 1,102 shares (stock units) were acquired through vesting at a $0 exercise/price and recorded as an acquisition. After the transaction, the report lists 4,502 shares beneficially owned in common stock and 2,039 stock units beneficially owned as derivative securities. The filing states these entries reflect the vesting of previously disclosed awards that vest between 2022 and 2027. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person.
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.
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