American Electric Power (AEP) 4: Sauvage Joseph G sold N/A shares of Phantom Stock Units at… (Apr 2, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-31 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMERICAN ELECTRIC POWER CO INC (AEP) CIK: 0000004904 --- Reporting Owner --- Name: Sauvage Joseph G CIK: 0002062133 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Units Date: 2026-03-31 | Code: A (Grant or award) Shares: -0 | Price: $131.08 Shares Owned After: 1,498 | Ownership: D (Direct) Footnotes: [F2] Was AEP Stock Price at the time of the transaction. [F1] Stock Units are paid to the director in cash or shares upon termination of service unless the director has elected to defer payment for a period that results in payment commencing not later than five years thereafter. [F1] Stock Units are paid to the director in cash or shares upon termination of service unless the director has elected to defer payment for a period that results in payment commencing not later than five years thereafter. --- Footnotes (Complete Index) --- F1: Stock Units are paid to the director in cash or shares upon termination of service unless the director has elected to defer payment for a period that results in payment commencing not later than five years thereafter. F2: Was AEP Stock Price at the time of the transaction. --- Signature --- /s/ David C. House, Attorney-in-Fact for Joseph G. Sauvage (2026-04-02)