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AFFILIATED MANAGERS GROUP, INC. 8-K Report, Corporate Update (Dec 8, 2025)

Reports
Other Events
Filing Date
Filed December 8, 2025
Period End
December 8, 2025
In the record · 2016–202610-K1510-Q328-K101

AMG filed 15 annual reports (10-K), 32 quarterly reports (10-Q) and 101 current reports (8-K) between 2016 and 2026.

  1. Material agreement8-K · Mar ’18Mar ’18
  2. Material agreement8-K · Sep ’20Sep ’20
  3. Leadership change8-K · Dec ’22Dec ’22
  4. Leadership change8-K · Feb ’25Feb ’25

Summary

Summary of the 8-K filed December 8, 2025. Cited figures are marked; the original filing is the authoritative source.

Affiliated Managers Group, Inc. (AMG) announced on December 8, 2025, that it has issued a notice to redeem all outstanding 5.15%a Convertible Trust Preferred Securities due 2037.

The redemption is scheduled for December 29, 2025, with securities being repurchased at par value plus accrued interest. This action is a strategic move to simplify AMG's capital structure and maintain its long-duration debt profile.

Key Highlights

  1. AMG is redeeming all 5.15% Convertible Trust Preferred Securities due 2037 on December 29, 2025.
  2. The redemption price is 100% of the principal amount plus accrued and unpaid interest.
  3. AMG intends to use net proceeds from a potential senior notes offering to fund this redemption.
  4. The company aims to simplify its capital structure through this transaction.
  5. The redemption is not contingent on the completion of the senior notes offering or any other financing.
  6. Holders can convert their preferred securities into cash prior to the redemption date if a valid conversion notice is provided.

Frequently Asked Questions

  1. What is being redeemed and when?

    AMG is redeeming all outstanding 5.15% Convertible Trust Preferred Securities due 2037 on December 29, 2025.

  2. What is the redemption price for the preferred securities?

    The redemption price is 100% of the principal amount of the securities, plus any accrued and unpaid interest up to, but not including, the redemption date.

  3. How will AMG fund this redemption?

    AMG intends to use the net proceeds from its previously announced offering of senior notes to fund the redemption, if that offering is consummated.

  4. Is the redemption dependent on the senior notes offering?

    No, the redemption of the preferred securities is not conditioned upon the consummation of the senior notes offering or any other financing condition.