AMERICAN ELECTRIC POWER CO INC (AEP) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-30 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMERICAN ELECTRIC POWER CO INC (AEP) CIK: 0000004904 --- Reporting Owner --- Name: Von Thaer Lewis CIK: 0001319553 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Units Date: 2026-06-30 | Code: A (Grant or award) Shares: +0 | Price: $136.81 Shares Owned After: 8,320 | 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/ /s/ David C. House, Attorney-in Fact for Lewis Von Thaer (2026-07-01)