American Electric Power (AEP) 4: Ferneau Kelly J sold 136 shares of Common Stock at $132.03… (Feb 25, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-23 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: AMERICAN ELECTRIC POWER CO INC (AEP) CIK: 0000004904 --- Reporting Owner --- Name: Ferneau Kelly J CIK: 0002043394 Role: Officer (Executive Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-23 | Code: F (Payment of exercise/tax) Shares: -136 | Price: $132.03 Total Value: $17,956.08 Shares Owned After: 17,124 | Ownership: D (Direct) Footnotes: [F1] A portion of the reporting person's restricted stock units (399) granted on February 20, 2023, vested on February 21, 2026. Upon vesting, 136 restricted stock units were withheld to satisfy the reporting person's tax liability. [Transaction #2] Security: Common Stock Date: 2026-02-23 | Code: F (Payment of exercise/tax) Shares: -165 | Price: $132.03 Total Value: $21,784.95 Shares Owned After: 17,049 | Ownership: D (Direct) Footnotes: [F2] A portion of the reporting person's restricted stock units (537) granted on February 23, 2024, vested on February 21, 2026. Upon vesting, 165 restricted stock units were withheld to satisfy the reporting person's tax liability. [Transaction #3] Security: Common Stock Date: 2026-02-23 | Code: F (Payment of exercise/tax) Shares: -288 | Price: $132.03 Total Value: $38,024.64 Shares Owned After: 16,761 | Ownership: D (Direct) Footnotes: [F3] A portion of the reporting person's restricted stock units (1,004) granted on February 18, 2025, vested on February 21, 2026. Upon vesting, 288 restricted stock units were withheld to satisfy the reporting person's tax liability. [Transaction #4] Security: Resticted Stock Units Date: 2026-02-24 | Code: S (Open market sale) Shares: -1,351 | Price: $131.46 Total Value: $177,602.46 Shares Owned After: 15,410 | Ownership: D (Direct) Footnotes: [F4] The sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 15, 2025. --- Footnotes (Complete Index) --- F1: A portion of the reporting person's restricted stock units (399) granted on February 20, 2023, vested on February 21, 2026. Upon vesting, 136 restricted stock units were withheld to satisfy the reporting person's tax liability. F2: A portion of the reporting person's restricted stock units (537) granted on February 23, 2024, vested on February 21, 2026. Upon vesting, 165 restricted stock units were withheld to satisfy the reporting person's tax liability. F3: A portion of the reporting person's restricted stock units (1,004) granted on February 18, 2025, vested on February 21, 2026. Upon vesting, 288 restricted stock units were withheld to satisfy the reporting person's tax liability. F4: The sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 15, 2025. --- Signature --- /s/ /s/ David C. House, Attorney-in-Fact for Kelly J. Ferneau (2026-02-25)