Business Context and Reporting Period
Company: Affiliated Managers Group, Inc. (AMG)
Filing Type: Form 8-K (Current Report)
Date of Report: December 8, 2025
Event: Notice of redemption for outstanding 5.15% Convertible Trust Preferred Securities due 2037 issued by AMG Capital Trust II.
Key Financial Metrics
This filing does not report revenue, profit, cash flow, or operating margins. The financial details provided are specific to the debt instrument being redeemed:
- Security: 5.15% Convertible Trust Preferred Securities due 2037.
- Redemption Price: 100% of the principal amount plus accrued and unpaid interest up to, but excluding, the redemption date.
- Redemption Date: December 29, 2025.
- Settlement Method: Cash (including for any valid conversion notices).
Material Changes
The Company has initiated a refinancing strategy to simplify its capital structure while maintaining a long-duration debt profile. Key changes include:
- Issuance of a redemption notice for all outstanding Preferred Securities.
- Intent to fund the redemption using net proceeds from a previously announced offering of senior notes (the "Offering").
- The redemption is not conditioned on the consummation of the Offering or other financing conditions.
Guidance, Outlook, and Risks
Management Commentary: The Company intends to satisfy obligations related to the Preferred Securities entirely in cash. The transaction is designed to streamline the capital structure.
Risks and Contingencies:
- Forward-Looking Statements: The filing contains forward-looking statements regarding the Offering, including its terms, size, timing, and use of proceeds.
- Execution Risk: Actual results may differ materially due to uncertainties regarding whether the Offering will be consummated.
- Legal Disclaimer: This report is not an offer to sell securities and does not constitute a formal notice of redemption.
Investor Verification Checklist
- Verify the total principal amount of the 5.15% Convertible Trust Preferred Securities due 2037 to be redeemed.
- Confirm the status and terms of the previously announced senior notes offering intended to fund this redemption.
- Review the Company's most recent Form 10-K for detailed risk factors related to refinancing and capital structure changes.
- Monitor for the formal Notice of Redemption to be delivered to holders prior to the December 29, 2025, redemption date.