Lisowski Jason

SEC source: 0001031296-26-000060 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Savings Plan

Disclosed balance after: 0

F1 · shares: FirstEnergy Corp.'s (the "Company") 401(k) Savings Plan ("401(k) Plan") includes a unitized fund invested in shares of common stock of the Company, in which the reporting person may invest, and includes dividend reinvestment and company match features. The number of shares reported as sold includes those shares held in the unitized stock fund and acquired under the 401(k) Plan since the reporting person's last filed Form 4.

SEC source: 0001031296-26-000060 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,176.309

SEC source: 0001031296-26-000053 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,797.48

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: Represents the vesting of performance-adjusted RSUs, each of which previously represented a contingent right to receive an RSU award payable 2/3 in shares of common stock of the Company ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 11, 2026, as previously reported on a Form 4 filed on February 13, 2026, and the RSUs, which had remained subject to a continued service requirement, vested on March 1, 2026.

F3 · price: The RSUs converted into shares of the Company's common stock on a one-for-one basis under the Company 2020 Incentive Compensation Plan.

SEC source: 0001031296-26-000053 · form4.xml · derivative · entry 6

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,402.171 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: RSUs convert into the Company's common stock on a one-for-one basis.

F2 · derivative.exercise_date: Represents the vesting of performance-adjusted RSUs, each of which previously represented a contingent right to receive an RSU award payable 2/3 in shares of common stock of the Company ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 11, 2026, as previously reported on a Form 4 filed on February 13, 2026, and the RSUs, which had remained subject to a continued service requirement, vested on March 1, 2026.

F2 · derivative.expiration_date: Represents the vesting of performance-adjusted RSUs, each of which previously represented a contingent right to receive an RSU award payable 2/3 in shares of common stock of the Company ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 11, 2026, as previously reported on a Form 4 filed on February 13, 2026, and the RSUs, which had remained subject to a continued service requirement, vested on March 1, 2026.

SEC source: 0001031296-26-000053 · form4.xml · nonDerivative · entry 4

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,176.309

F5 · shares: On March 1, 2026, the Cash-Based RSUs were settled based on an average of the Company's high and low stock price on February 27, 2026, net of applicable tax withholding obligations.

SEC source: 0001031296-26-000053 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,614.48

F4 · shares: Represents shares of common stock of the Company withheld to cover tax obligations associated with the vesting on March 1, 2026, of the Share-Based RSUs described in footnote 2, which transaction is exempt under Rule 16b-3.

SEC source: 0001031296-26-000053 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,395.309

F1 · shares: These securities are time-based restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.10 per share, of FirstEnergy Corp. (the "Company"). The time-based restricted stock units were granted under the Company's 2020 Incentive Compensation Plan and will vest in full on March 1, 2029.

SEC source: 0001031296-26-000031 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,337.544

Underlying: Common Stock · 7,337.544 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs") granted on March 1, 2023, each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 11, 2026. As a result, these RSUs will vest on March 1, 2026, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs") granted on March 1, 2023, each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 11, 2026. As a result, these RSUs will vest on March 1, 2026, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs") granted on March 1, 2023, each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 11, 2026. As a result, these RSUs will vest on March 1, 2026, generally subject to the reporting person's continued service.

SEC source: 0001127602-25-015743 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183.097

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.97 to $41.98, inclusive. The reporting person undertakes to provide to FirstEnergy Corp., any security holder of FirstEnergy Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-25-016651 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,112.727

F1 · shares: These securities are restricted stock units ("RSUs"), each representing a contingent right to receive one share of common stock, par value $0.10 per share, of FirstEnergy Corp. (the "Company"). The RSUs were granted under the Company's 2020 Incentive Compensation Plan and will vest in full on March 1, 2028. This transaction is being reported late due to an inadvertent administrative error and not any error of the Reporting Person.

F2 · balance_after: Balance includes shares acquired through dividend reinvestments and dividends accrued on time-based equity awards.

SEC source: 0001127602-25-008121 · form4.xml · derivative · entry 5

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,320.953 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Share-Based RSUs convert into the Company's common stock on a one-for-one basis.

F1 · derivative.exercise_date: Represents the vesting of performance-adjusted restricted stock units ("RSUs"), each of which previously represented a contingent right to receive an RSU award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 5, 2025, as previously reported on a Form 4 filed on February 7, 2025, and the RSUs, which had remained subject to a continued service requirement, vested on March 1, 2025.

F1 · derivative.expiration_date: Represents the vesting of performance-adjusted restricted stock units ("RSUs"), each of which previously represented a contingent right to receive an RSU award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 5, 2025, as previously reported on a Form 4 filed on February 7, 2025, and the RSUs, which had remained subject to a continued service requirement, vested on March 1, 2025.

SEC source: 0001127602-25-008121 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,183.097

F4 · shares: On March 1, 2025, the Cash-Based RSUs were settled based on an average of the Company's high and low stock price, net of applicable tax withholding obligations.

SEC source: 0001127602-25-008121 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,265.05

F3 · shares: Represents shares of common stock of the Company withheld to cover tax obligations associated with the vesting of the RSUs described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-25-008121 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,165.05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the vesting of performance-adjusted restricted stock units ("RSUs"), each of which previously represented a contingent right to receive an RSU award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 5, 2025, as previously reported on a Form 4 filed on February 7, 2025, and the RSUs, which had remained subject to a continued service requirement, vested on March 1, 2025.

F2 · price: The RSUs converted into shares of the Company's common stock on a one-for-one basis under the FirstEnergy Corp. 2020 Incentive Compensation Plan.

SEC source: 0001127602-25-003656 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,251.214

Underlying: Common Stock · 6,251.214 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 5, 2025. As a result, these RSUs will vest on March 1, 2025, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 5, 2025. As a result, these RSUs will vest on March 1, 2025, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 5, 2025. As a result, these RSUs will vest on March 1, 2025, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-008724 · form4.xml · derivative · entry 5

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,221.376 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.exercise_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.expiration_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

SEC source: 0001127602-24-008724 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,518.125

F4 · shares: Represents the deemed disposition to the Company of the common stock underlying the Cash-Based RSUs, net of applicable withholding obligations, described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008724 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,742.664

F3 · shares: Represents shares of common stock of the Company automatically withheld to cover tax obligations associated with the vesting of the RSUs described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008724 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,174.501

F1 · shares: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F2 · price: The RSUs were granted under the FirstEnergy Corp. 2020 Incentive Compensation Plan and, therefore, the reporting person paid no price for the RSUs.

SEC source: 0001127602-24-004292 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,017.168

Underlying: Common Stock · 18,017.168 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-23-008963 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,812.189

F1 · shares: Represents the vesting of the 15PSUS20 award. The award vested on March 1, 2023. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestments.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-23-008963 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,003.189

F1 · shares: Represents the vesting of the 15PSUS20 award. The award vested on March 1, 2023. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestments.

F2 · price: 1 for 1. The 15PSUS20 award was previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-23-004996 · form4.xml · derivative · entry 4

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,688.896

Underlying: Common Stock · 4,688.896 shares

Expires 2023-03-01

F3 · derivative.exercise_price: 1 for 1

F4 · shares: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC20) and the performance-adjusted stock based restricted stock unit grant (15PSUS20) made in 2020 for the 2020-2022 performance cycle, and these awards will vest on March 1, 2023.

F4 · balance_after: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC20) and the performance-adjusted stock based restricted stock unit grant (15PSUS20) made in 2020 for the 2020-2022 performance cycle, and these awards will vest on March 1, 2023.

SEC source: 0001127602-23-004996 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,302.93

Underlying: Common Stock · 2,302.93 shares

Expires 2023-03-01

F3 · derivative.exercise_price: 1 for 1

F4 · shares: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC20) and the performance-adjusted stock based restricted stock unit grant (15PSUS20) made in 2020 for the 2020-2022 performance cycle, and these awards will vest on March 1, 2023.

F4 · balance_after: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC20) and the performance-adjusted stock based restricted stock unit grant (15PSUS20) made in 2020 for the 2020-2022 performance cycle, and these awards will vest on March 1, 2023.

SEC source: 0001127602-22-008436 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267.189

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.422 to $42.425, inclusive. The reporting person undertakes to provide to FirstEnergy Corp., any security holder of FirstEnergy Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · derivative · entry 10

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,783.021

Underlying: Common Stock · 5,783.021 shares

Expires not disclosed

F7 · derivative.exercise_price: 1 for 1

F4 · price: This transaction represents the deferral of the 15PSUC19 and 15PSUS19 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F8 · derivative.exercise_date: This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

F8 · derivative.expiration_date: This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

SEC source: 0001127602-22-008161 · form4.xml · derivative · entry 9

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,028 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: 1 for 1

F2 · price: 1 for 1. The 15PSUC19 and 15PSUS19 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F5 · derivative.exercise_date: Represents the vesting of the 15PSUS19 award. The award vested on March 1, 2022. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestments.

F5 · derivative.expiration_date: Represents the vesting of the 15PSUS19 award. The award vested on March 1, 2022. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · derivative · entry 8

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,960.425 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: 1 for 1

F2 · price: 1 for 1. The 15PSUC19 and 15PSUS19 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F1 · derivative.exercise_date: Represents the vesting of the 15PSUC19 award. The award vested on March 1, 2022. Amounts also include dividend reinvestments.

F1 · derivative.expiration_date: Represents the vesting of the 15PSUC19 award. The award vested on March 1, 2022. Amounts also include dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · nonDerivative · entry 6

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,767.189

F5 · shares: Represents the vesting of the 15PSUS19 award. The award vested on March 1, 2022. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestments.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · nonDerivative · entry 5

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,160.189

F4 · shares: This transaction represents the deferral of the 15PSUC19 and 15PSUS19 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F4 · price: This transaction represents the deferral of the 15PSUC19 and 15PSUS19 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · nonDerivative · entry 4

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,795.189

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · shares: Represents the vesting of the 15PSUS19 award. The award vested on March 1, 2022. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestments.

F2 · price: 1 for 1. The 15PSUC19 and 15PSUS19 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,767.189

F1 · shares: Represents the vesting of the 15PSUC19 award. The award vested on March 1, 2022. Amounts also include dividend reinvestments.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,579.593

F4 · shares: This transaction represents the deferral of the 15PSUC19 and 15PSUS19 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F4 · price: This transaction represents the deferral of the 15PSUC19 and 15PSUS19 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-008161 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,727.614

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the vesting of the 15PSUC19 award. The award vested on March 1, 2022. Amounts also include dividend reinvestments.

F2 · price: 1 for 1. The 15PSUC19 and 15PSUS19 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F3 · balance_after: Balance includes shares acquired through dividend reinvestments.

SEC source: 0001127602-22-003533 · form4.xml · derivative · entry 4

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,971.445

Underlying: Common Stock · 5,971.445 shares

Expires 2022-03-01

F3 · derivative.exercise_price: 1 for 1

F4 · shares: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC19) and the performance-adjusted stock based restricted stock unit grant (15PSUS19) made in 2019 for the 2019-2021 performance cycle, and these awards will vest on March 1, 2022.

F4 · balance_after: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC19) and the performance-adjusted stock based restricted stock unit grant (15PSUS19) made in 2019 for the 2019-2021 performance cycle, and these awards will vest on March 1, 2022.

SEC source: 0001127602-22-003533 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,932.909

Underlying: Common Stock · 2,932.909 shares

Expires 2022-03-01

F3 · derivative.exercise_price: 1 for 1

F4 · shares: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC19) and the performance-adjusted stock based restricted stock unit grant (15PSUS19) made in 2019 for the 2019-2021 performance cycle, and these awards will vest on March 1, 2022.

F4 · balance_after: The Board approved performance results for the performance-adjusted cash based restricted stock unit grant (15PSUC19) and the performance-adjusted stock based restricted stock unit grant (15PSUS19) made in 2019 for the 2019-2021 performance cycle, and these awards will vest on March 1, 2022.

SEC source: 0001127602-21-009302 · form4.xml · derivative · entry 10

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,854.066

Underlying: Common Stock · 9,854.066 shares

Expires not disclosed

F7 · derivative.exercise_price: 1 for 1

F4 · price: This transaction represents the deferral of the RSUC18 and RSUS18 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F8 · derivative.exercise_date: This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

F8 · derivative.expiration_date: This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

SEC source: 0001127602-21-009302 · form4.xml · derivative · entry 9

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,996 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: 1 for 1

F2 · price: 1 for 1. The RSUS18 and RSUC18 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F5 · derivative.exercise_date: Represents the vesting of the RSUS18 award. The award vested on March 1, 2021. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

F5 · derivative.expiration_date: Represents the vesting of the RSUS18 award. The award vested on March 1, 2021. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · derivative · entry 8

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,496.915 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: 1 for 1

F2 · price: 1 for 1. The RSUS18 and RSUC18 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F1 · derivative.exercise_date: Represents the vesting of the RSUC18 award. The award vested on March 1, 2021. Amounts also include dividend reinvestment.

F1 · derivative.expiration_date: Represents the vesting of the RSUC18 award. The award vested on March 1, 2021. Amounts also include dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · nonDerivative · entry 6

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,654.686

F5 · shares: Represents the vesting of the RSUS18 award. The award vested on March 1, 2021. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · nonDerivative · entry 5

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,080.686

F4 · shares: This transaction represents the deferral of the RSUC18 and RSUS18 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F4 · price: This transaction represents the deferral of the RSUC18 and RSUS18 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · nonDerivative · entry 4

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,650.686

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · shares: Represents the vesting of the RSUS18 award. The award vested on March 1, 2021. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

F2 · price: 1 for 1. The RSUS18 and RSUC18 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,654.686

F1 · shares: Represents the vesting of the RSUC18 award. The award vested on March 1, 2021. Amounts also include dividend reinvestment.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,867.535

F4 · shares: This transaction represents the deferral of the RSUC18 and RSUS18 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F4 · price: This transaction represents the deferral of the RSUC18 and RSUS18 awards. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.

SEC source: 0001127602-21-009302 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,151.601

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the vesting of the RSUC18 award. The award vested on March 1, 2021. Amounts also include dividend reinvestment.

F2 · price: 1 for 1. The RSUS18 and RSUC18 awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.

SEC source: 0001127602-21-004540 · form4.xml · derivative · entry 4

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,915.164

Underlying: Common Stock · 6,915.164 shares

Expires 2021-03-01

F3 · derivative.exercise_price: 1 for 1

F4 · shares: The Board approved performance results for the performance-adjusted stock based restricted stock unit grant (RSUS18) and the performance-adjusted cash based restricted stock unit grant (RSUC18) made in 2018 for the 2018-2020 performance cycle, and these awards will vest on March 1, 2021.

F4 · balance_after: The Board approved performance results for the performance-adjusted stock based restricted stock unit grant (RSUS18) and the performance-adjusted cash based restricted stock unit grant (RSUC18) made in 2018 for the 2018-2020 performance cycle, and these awards will vest on March 1, 2021.

SEC source: 0001127602-21-004540 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,456.938

Underlying: Common Stock · 3,456.938 shares

Expires 2021-03-01

F3 · derivative.exercise_price: 1 for 1

F4 · shares: The Board approved performance results for the performance-adjusted stock based restricted stock unit grant (RSUS18) and the performance-adjusted cash based restricted stock unit grant (RSUC18) made in 2018 for the 2018-2020 performance cycle, and these awards will vest on March 1, 2021.

F4 · balance_after: The Board approved performance results for the performance-adjusted stock based restricted stock unit grant (RSUS18) and the performance-adjusted cash based restricted stock unit grant (RSUC18) made in 2018 for the 2018-2020 performance cycle, and these awards will vest on March 1, 2021.

SEC source: 0001127602-20-009147 · form4.xml · derivative · entry 7

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,496.554

Underlying: Common Stock · 4,318.127 shares

Expires not disclosed

F6 · derivative.exercise_price: 1 for 1

F4 · price: This transaction represents the deferral of the TA18 award. As a result, the reporting person is reporting the disposition of common stock in exchange for an equal number of shares of phantom stock described below.

F8 · derivative.exercise_date: This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

F8 · derivative.expiration_date: This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

SEC source: 0001127602-20-009147 · form4.xml · derivative · entry 6

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,538.231 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: 1 for 1

F2 · price: 1 for 1. The TA18 award was previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.

F1 · derivative.exercise_date: Represents the vesting of the TA18 award. The award vested on March 1, 2020. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

F1 · derivative.expiration_date: Represents the vesting of the TA18 award. The award vested on March 1, 2020. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

SEC source: 0001127602-20-009147 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,457.774

F1 · shares: Represents the vesting of the TA18 award. The award vested on March 1, 2020. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.

F3 · balance_after: Balance includes shares acquired through dividend reinvestment.