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AFFILIATED MANAGERS GROUP, INC. Director's Dealing 2025

Aug 14, 2025

30843_dirs_2025-08-14_c945f256-a812-4a7c-8302-1eedd1292317.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AFFILIATED MANAGERS GROUP, INC. (AMG)
CIK: 0001004434
Period of Report: 2025-08-12

Reporting Person: Horgen Jay C. (Director, Chief Executive Officer)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2025-08-12 Common Stock M 75000 $74.49 Acquired 529929 Direct
2025-08-12 Common Stock F 45607 $219.70 Disposed 484322 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2025-08-12 Employee Stock Option (Right to Buy) $74.49 M 75000 Disposed 2026-08-15 Common Stock (75000) Direct

Holdings (Non-Derivative)

Security Shares Ownership
Common Stock 34058 Indirect