AEP

SEC source: 0001628280-26-000318 · wk-form4_1767639207.xml · derivative · entry 1

Tucker Sara Martinez · CIK 0001454655 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,261

Underlying: Common Stock · 368 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-26-000315 · wk-form4_1767639078.xml · derivative · entry 1

McCarthy Margaret M · CIK 0001485980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,981

Underlying: Common Stock · 368 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-26-000311 · wk-form4_1767638740.xml · derivative · entry 1

GARCIA ART A · CIK 0001183585 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,184

Underlying: Common Stock · 368 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-26-000306 · wk-form4_1767638508.xml · derivative · entry 2

Stoddard Daniel G. · CIK 0001795516 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,484

Underlying: Common Stock · 368 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001628280-26-000306 · wk-form4_1767638508.xml · nonDerivative · entry 1

Stoddard Daniel G. · CIK 0001795516 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

F1 · security: The reporting owner deferred receipt of his $40,000 quarterly cash retainer into the AEP Stock Fund under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. The reporting owner may transfer amounts in the AEP Stock Fund into an alternate investment plan at any time.

F2 · price: Was AEP Stock Price at the time of the transaction.

SEC source: 0001628280-26-000308 · wk-form4_1767638629.xml · derivative · entry 1

LIN SANDRA BEACH · CIK 0001220571 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,871

Underlying: Common Stock · 368 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-26-000304 · wk-form4_1767638336.xml · derivative · entry 3

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,340

Underlying: Common Stock · 368 shares

Expires not disclosed

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-26-000301 · wk-form4_1767638200.xml · derivative · entry 2

Roberts Daryl · CIK 0001836184 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123

Underlying: Common Stock · 123 shares

Expires not disclosed

F3 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F2 · price: Was AEP Stock Price at the time of the transaction.

F4 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F4 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

SEC source: 0001628280-26-000301 · wk-form4_1767638200.xml · derivative · entry 1

Roberts Daryl · CIK 0001836184 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,056

Underlying: Common Stock · 245 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-058421 · wk-form4_1766421031.xml · nonDerivative · entry 1

Fehrman William · CIK 0002006412 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,502

F1 · shares: Each restricted stock unit represents a contingent right to receive AEP common stock upon vesting. The restricted stock units vest on December 31, 2030.

SEC source: 0001628280-25-056943 · wk-form4_1765826775.xml · nonDerivative · entry 1

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,898

F1 · shares: The sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 13, 2025.

SEC source: 0001628280-25-052536 · wk-form4_1763405219.xml · nonDerivative · entry 1

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,898

F1 · shares: The sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 13, 2025.

SEC source: 0001628280-25-045997 · wk-form4_1761226384.xml · nonDerivative · entry 1

Ferneau Kelly J · CIK 0002043394 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,063

F1 · security: Each restricted stock unit represents a contingent right to receive AEP common stock upon vesting. The restricted stock units vest on October 1, 2028.

SEC source: 0001628280-25-044873 · wk-form4_1760446162.xml · nonDerivative · entry 1

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,898

F1 · shares: The sale reported within this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person on May 13, 2025.

SEC source: 0001628280-25-043933 · wk-form4_1759501382.xml · nonDerivative · entry 3

Ferneau Kelly J · CIK 0002043394 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,676

F3 · shares: 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.

SEC source: 0001628280-25-043933 · wk-form4_1759501382.xml · nonDerivative · entry 2

Ferneau Kelly J · CIK 0002043394 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,735

F2 · shares: A portion of the reporting person's restricted stock unit (1,225) granted on October 23, 2023, vested on October 1, 2025. Upon vesting, 351 restricted stock units were withheld to satisfy the reporting person's tax liability.

SEC source: 0001628280-25-043933 · wk-form4_1759501382.xml · nonDerivative · entry 1

Ferneau Kelly J · CIK 0002043394 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,682

F1 · shares: A portion of the reporting person's restricted stock unit (185) granted on July 2, 2022, vested on October 1, 2025. Upon vesting, 53 restricted stock units were withheld to satisfy the reporting person's tax liability.

SEC source: 0001628280-25-043598 · wk-form4_1759421448.xml · derivative · entry 1

Sauvage Joseph G · CIK 0002062133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 790

Underlying: Common Stock · 377 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043596 · wk-form4_1759421350.xml · derivative · entry 1

Roberts Daryl · CIK 0001836184 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,729

Underlying: Common Stock · 377 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043593 · wk-form4_1759421282.xml · derivative · entry 1

Linginfelter Henry P · CIK 0001403613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,943

Underlying: Common Stock · 377 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043588 · wk-form4_1759421190.xml · derivative · entry 1

GARY HUNTER CLARK · CIK 0001425798 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,943

Underlying: Common Stock · 377 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043584 · wk-form4_1759421087.xml · derivative · entry 1

GARCIA ART A · CIK 0001183585 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,801

Underlying: Common Stock · 377 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-25-043582 · wk-form4_1759421022.xml · derivative · entry 1

Tucker Sara Martinez · CIK 0001454655 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,893

Underlying: Common Stock · 377 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-25-043579 · wk-form4_1759420942.xml · derivative · entry 1

McCarthy Margaret M · CIK 0001485980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,592

Underlying: Common Stock · 377 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-25-043573 · wk-form4_1759420616.xml · derivative · entry 1

LIN SANDRA BEACH · CIK 0001220571 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,360

Underlying: Common Stock · 377 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0001628280-25-043571 · wk-form4_1759420538.xml · derivative · entry 1

Von Thaer Lewis · CIK 0001319553 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,144

Underlying: Common Stock · 377 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043569 · wk-form4_1759420462.xml · derivative · entry 2

Stoddard Daniel G. · CIK 0001795516 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,081

Underlying: Common Stock · 377 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043569 · wk-form4_1759420462.xml · nonDerivative · entry 1

Stoddard Daniel G. · CIK 0001795516 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,596

F1 · security: The reporting owner deferred receipt of his $40,000 quarterly cash retainer into the AEP Stock Fund under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. The reporting owner may transfer amounts in the AEP Stock Fund into an alternate investment plan at any time.

F2 · price: Was AEP Stock Price at the time of the transaction.

SEC source: 0001628280-25-043566 · wk-form4_1759420290.xml · derivative · entry 3

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,922

Underlying: Common Stock · 377 shares

Expires not disclosed

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001628280-25-043193 · wk-form4_1759248966.xml · nonDerivative · entry 2

Knapp Alicia R · CIK 0001926822 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,011

F2 · security: Each restricted stock unit represents a contingent right to receive AEP common stock upon vesting. The restricted stock units vest in three equal installments on October 1, 2026, October 1, 2027, and October 1, 2028.

SEC source: 0001628280-25-043193 · wk-form4_1759248966.xml · nonDerivative · entry 1

Knapp Alicia R · CIK 0001926822 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,136

F1 · security: Each restricted stock unit represents a contingent right to receive AEP common stock upon vesting. The restricted stock units vest in three equal installments on February 21, 2026, February 21, 2027, and February 21, 2028.

SEC source: 0001206908-25-000007 · wk-form4_1757958630.xml · nonDerivative · entry 1

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,898

F1 · shares: The sale reported within this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person on May 13, 2025.

SEC source: 0000004904-25-000149 · wk-form4_1755543523.xml · nonDerivative · entry 1

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,898

F1 · shares: The sale reported within this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person on May 13, 2025.

SEC source: 0000004904-25-000147 · wk-form4_1755543367.xml · nonDerivative · entry 1

Ferneau Kelly J · CIK 0002043394 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,025

F1 · shares: The sale reported within this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2025.

SEC source: 0000004904-25-000143 · wk-form4_1754333581.xml · nonDerivative · entry 1

Fehrman William · CIK 0002006412 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,174

F1 · shares: A portion of the Reporting Person's restricted stock units (13,655) granted on August 1, 2024, vested on August 1, 2025. Upon vesting, 6,193 restricted stock units were withheld to satisfy the Reporting Person's tax liability.

SEC source: 0000004904-25-000129 · wk-form4_1753293201.xml · nonDerivative · entry 1

Tucker Sara Martinez · CIK 0001454655 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,073

F1 · shares: On July 22, 2025, Ms. Tucker received 1,815 unrestricted stock units for her service as Chair of the Board of Directors to the Company.

SEC source: 0000004904-25-000125 · wk-form4_1753199052.xml · nonDerivative · entry 1

Eckert Johannes G · CIK 0002075346 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,040

F1 · security: Each Restricted Stock Units represents a contingent right to receive AEP common stock upon vesting. The Restricted Stock Units vest in three equal installments on February 21, 2026, February 21, 2027, and February 21, 2028.

SEC source: 0000004904-25-000121 · wk-form4_1752605626.xml · nonDerivative · entry 2

Berntsen Robert · CIK 0002022857 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,657

F2 · security: Each restricted stock unit represents a contingent right to receive AEP common stock upon vesting. The restricted stock units vest in three equal installments on October 1, 2026, October 1, 2027, and October 1, 2028.

SEC source: 0000004904-25-000121 · wk-form4_1752605626.xml · nonDerivative · entry 1

Berntsen Robert · CIK 0002022857 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,774

F1 · security: Each restricted stock unit represents a contingent right to receive AEP common stock upon vesting. The restricted stock units vest in three equal installments on February 21, 2026, February 21, 2027, and February 21, 2028.

SEC source: 0000004904-25-000117 · wk-form4_1751469751.xml · derivative · entry 3

FOWKE BENJAMIN G S III · CIK 0001206908 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,498

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0000004904-25-000112 · wk-form4_1751469289.xml · derivative · entry 1

McCarthy Margaret M · CIK 0001485980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,196.4

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash or shares following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0000004904-25-000114 · wk-form4_1751469416.xml · derivative · entry 1

Tucker Sara Martinez · CIK 0001454655 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,264.66

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0000004904-25-000109 · wk-form4_1751469193.xml · derivative · entry 1

LIN SANDRA BEACH · CIK 0001220571 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,834.81

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F1 · security: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F1 · shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

F3 · price: Was AEP Stock Price at the time of the transaction.

F2 · derivative.exercise_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F2 · derivative.expiration_date: Shares of phantom stock are payable in cash following termination of the reporting person's service on the Board. The reporting person may transfer the phantom stock in the AEP Stock Plan account into an alternative investment account at any time.

F1 · derivative.underlying_shares: Amounts shown represent value in AEP Stock Plan under the AEP Stock Unit Accumulation Plan for Non-Employee Directors. Each share of phantom stock represents the right to receive the cash value of one share of AEP common stock.

SEC source: 0000004904-25-000107 · wk-form4_1751469085.xml · derivative · entry 1

JAMES DONNA · CIK 0001197735 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136.53

Underlying: Common Stock · 136.53 shares

Expires not disclosed

F1 · shares: 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 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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 · derivative.underlying_shares: 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.

SEC source: 0000004904-25-000105 · wk-form4_1751468606.xml · derivative · entry 1

Von Thaer Lewis · CIK 0001319553 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,709.07

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0000004904-25-000103 · wk-form4_1751468417.xml · derivative · entry 1

Roberts Daryl · CIK 0001836184 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,272.53

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0000004904-25-000101 · wk-form4_1751468318.xml · derivative · entry 1

Linginfelter Henry P · CIK 0001403613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,543.5

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0000004904-25-000099 · wk-form4_1751468234.xml · derivative · entry 1

GARY HUNTER CLARK · CIK 0001425798 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,543.5

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0000004904-25-000097 · wk-form4_1751467638.xml · derivative · entry 1

Sauvage Joseph G · CIK 0002062133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 409.59

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F1 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0000004904-25-000093 · wk-form4_1751467189.xml · derivative · entry 2

Stoddard Daniel G. · CIK 0001795516 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,672.19

Underlying: Common Stock · 409.59 shares

Expires not disclosed

F2 · price: Was AEP Stock Price at the time of the transaction.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.