Form 4 Filing for Sandra Beach Lin

This Form 4 filing details transactions related to phantom stock units for Sandra Beach Lin, a director at AMERICAN ELECTRIC POWER CO INC (AEP). The transactions occurred on June 30, 2026. Specifically, 0.0 shares of phantom stock were acquired with a price per share of $136.81. Post-transaction, Lin holds 19,772 phantom stock units. These phantom stock units represent the right to receive the cash value of AEP common stock and are payable in cash or shares following the termination of Lin's service on the Board. The underlying security for these units is AEP Common Stock, with 310 underlying shares for this transaction. The filing also notes that the reporting person may transfer these phantom stock units into an alternative investment account at any time.