American Electric Power (AEP) 4: Berntsen Robert sold 1,425 shares at $119.75 on 2026-10-01 (Oct 5, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMERICAN ELECTRIC POWER CO INC (AEP) CIK: 0000004904 --- Reporting Owner --- Name: Berntsen Robert CIK: 0002022857 Role: Officer (Executive Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Resticted Stock Units Date: 2026-10-01 | Code: F (Payment of exercise/tax) Shares: -1,425 | Price: $119.75 Total Value: $170,643.75 Shares Owned After: 20,405 | Ownership: D (Direct) Footnotes: [F1] A portion of the reporting person's restricted stock units (4,813) granted on July 14, 2025, vested on October 1, 2026. Upon vesting 1,425 restricted stock units were withheld to satisfy the reporting person's tax liability. --- Footnotes (Complete Index) --- F1: A portion of the reporting person's restricted stock units (4,813) granted on July 14, 2025, vested on October 1, 2026. Upon vesting 1,425 restricted stock units were withheld to satisfy the reporting person's tax liability. --- Signature --- /s/ /s/ David C. House, Attorney-in-Fact for Robert B. Berntsen (2026-10-05)