HAZNEDAR CAROLANN I

SEC source: 0001193125-26-380150 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,607

Underlying: Common Stock · 52 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0002104052-26-000132 · wk-form4_1787086511.xml · nonDerivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,955

F1 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $20.38 to $20.60, inclusive. The reporting person undertakes to provide to Enviri Corporation, any security holder of Enviri Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4.

SEC source: 0002104052-26-000102 · wk-form4_1781728316.xml · nonDerivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,080

F1 · price: Restricted stock units granted under the Issuer's 2026 Omnibus Incentive Plan represent a contingent right to receive the Issuer's common stock on a one-for-one basis when the restricted stock units vest. Each reported restricted stock unit vests on the anniversary of the grant date.

F2 · balance_after: Includes 31,830 shares acquired in a pro rata distribution by CLEH, Inc. on June 1, 2026 of all of the outstanding shares of the Issuer's common stock to the stockholders of CLEH, Inc.

SEC source: 0000045876-26-000284 · wk-form4_1780436910.xml · nonDerivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The Issuer is party to (x) that certain Agreement and Plan of Merger, dated as of November 20, 2025 (the "Merger Agreement"), by and among the Issuer, CLEH, Inc. (CLEH), Enviri LLC (Enviri LLC), Veolia Environment S.A. (Buyer) and Liberty Merger Sub Inc. (Merger Sub), and (y) that certain Separation Agreement, dated as of November 20, 2025 (the Separation Agreement), by and among the Company, CLEH, Buyer and Enviri II Corporation (New Enviri).

F2 · kind: On June 1, 2026, pursuant to the terms of the Merger Agreement and the Separation Agreement, a series of transactions occurred, including: (i) the Issuer merged with and into Enviri LLC, with Enviri LLC being the surviving entity of such merger, and each outstanding share of common stock of the Issuer was exchanged for one share of common stock, par value $1.25 per share, of CLEH (the Holding Company Merger), and (ii) following the Holding Company Merger, CLEH and its subsidiaries, including Enviri LLC and New Enviri, effected a reorganization (the Reorganization), resulting in (x) CLEH holding the Clean Earth segment of the Issuer and all the outstanding shares of common stock, par value $0.00001 per share, of New Enviri (New Enviri Common Stock), (y) New Enviri owning all of the equity interests of Enviri LLC and (z) Enviri LLC holding the Harsco Environmental and Rail segments of the Issuer

F3 · kind: Also on June 1, 2026, (i) following the Reorganization, CLEH distributed all of the outstanding shares of New Enviri common stock to the stockholders of CLEH (the former stockholders of the Issuer) on a pro rata basis (the Distribution); and (ii) immediately after the Distribution, Merger Sub, a wholly owned subsidiary of Buyer, merged with and into CLEH, with CLEH surviving as an indirect wholly owned subsidiary of Buyer (the Merger).

F4 · kind: In connection with the Holding Company Merger, Reorganization and Merger (collectively, the Transactions), the reporting person disposed of all of the shares of the Issuer held by the reporting person immediately prior to the effective time of the Holding Company Merger and, ultimately, received (x) in the Distribution, one share of New Enviri common stock in respect of every three shares of the Issuer previously held, and (y) in the Merger, cash consideration of $15.00 per share.

F1 · price: The Issuer is party to (x) that certain Agreement and Plan of Merger, dated as of November 20, 2025 (the "Merger Agreement"), by and among the Issuer, CLEH, Inc. (CLEH), Enviri LLC (Enviri LLC), Veolia Environment S.A. (Buyer) and Liberty Merger Sub Inc. (Merger Sub), and (y) that certain Separation Agreement, dated as of November 20, 2025 (the Separation Agreement), by and among the Company, CLEH, Buyer and Enviri II Corporation (New Enviri).

F2 · price: On June 1, 2026, pursuant to the terms of the Merger Agreement and the Separation Agreement, a series of transactions occurred, including: (i) the Issuer merged with and into Enviri LLC, with Enviri LLC being the surviving entity of such merger, and each outstanding share of common stock of the Issuer was exchanged for one share of common stock, par value $1.25 per share, of CLEH (the Holding Company Merger), and (ii) following the Holding Company Merger, CLEH and its subsidiaries, including Enviri LLC and New Enviri, effected a reorganization (the Reorganization), resulting in (x) CLEH holding the Clean Earth segment of the Issuer and all the outstanding shares of common stock, par value $0.00001 per share, of New Enviri (New Enviri Common Stock), (y) New Enviri owning all of the equity interests of Enviri LLC and (z) Enviri LLC holding the Harsco Environmental and Rail segments of the Issuer

F3 · price: Also on June 1, 2026, (i) following the Reorganization, CLEH distributed all of the outstanding shares of New Enviri common stock to the stockholders of CLEH (the former stockholders of the Issuer) on a pro rata basis (the Distribution); and (ii) immediately after the Distribution, Merger Sub, a wholly owned subsidiary of Buyer, merged with and into CLEH, with CLEH surviving as an indirect wholly owned subsidiary of Buyer (the Merger).

F4 · price: In connection with the Holding Company Merger, Reorganization and Merger (collectively, the Transactions), the reporting person disposed of all of the shares of the Issuer held by the reporting person immediately prior to the effective time of the Holding Company Merger and, ultimately, received (x) in the Distribution, one share of New Enviri common stock in respect of every three shares of the Issuer previously held, and (y) in the Merger, cash consideration of $15.00 per share.

SEC source: 0001756619-26-000002 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,555

Underlying: Common Stock · 59 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0000045876-26-000127 · wk-form4_1779299064.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 83,047 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: Represents the settlement of deferred compensation, held in the form of phantom stock units, in connection with Enviri's sale of its Clean Earth division. Each phantom stock unit settled in one share of Enviri common stock on May 18, 2026.

F1 · derivative.exercise_date: Represents the settlement of deferred compensation, held in the form of phantom stock units, in connection with Enviri's sale of its Clean Earth division. Each phantom stock unit settled in one share of Enviri common stock on May 18, 2026.

F1 · derivative.expiration_date: Represents the settlement of deferred compensation, held in the form of phantom stock units, in connection with Enviri's sale of its Clean Earth division. Each phantom stock unit settled in one share of Enviri common stock on May 18, 2026.

SEC source: 0000045876-26-000127 · wk-form4_1779299064.xml · nonDerivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,491

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.

SEC source: 0001193125-26-214566 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,312

Underlying: Common Stock · 1,503 shares

Expires not disclosed

F1 · security: The deferred stock units ("DSUs") represent the portion of the reporting person's annual equity award under the Allison Transmission Holdings, Inc. (the "Company") Ninth Amended and Restated Non-Employee Director Compensation Policy deferred pursuant to the Company's Amended and Restated Non-Employee Director Deferred Compensation Plan.

F2 · derivative.exercise_price: Each DSU is the economic equivalent of one share of the Company's common stock. The DSUs become payable, in common stock, or at the Company's election cash, at the earlier of the reporting person's separation from service or a change in control. DSUs earn dividend equivalents when dividends are declared on the Company's common stock.

F4 · price: The number of DSUs received was calculated based on $123.02, which was the closing price of the Company's common stock on the date of grant.

F3 · derivative.exercise_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

F3 · derivative.expiration_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

SEC source: 0000045876-26-000110 · wk-form4_1778616251.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,047

Underlying: Common Stock · 18,309 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents deferral of vested restricted stock units as deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit will be settled in one share of Enviri Common Stock within 30 days before the closing of Enviri's sale of its Clean Earth division.

F2 · derivative.exercise_date: Represents deferral of vested restricted stock units as deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit will be settled in one share of Enviri Common Stock within 30 days before the closing of Enviri's sale of its Clean Earth division.

F2 · derivative.expiration_date: Represents deferral of vested restricted stock units as deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit will be settled in one share of Enviri Common Stock within 30 days before the closing of Enviri's sale of its Clean Earth division.

SEC source: 0000045876-26-000110 · wk-form4_1778616251.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,309 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: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit vested at the close of business on the first anniversary of the May 7, 2025 grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit vested at the close of business on the first anniversary of the May 7, 2025 grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit vested at the close of business on the first anniversary of the May 7, 2025 grant date.

SEC source: 0001193125-26-121749 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,496

Underlying: Common Stock · 56 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001193125-25-312713 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,440

Underlying: Common Stock · 62 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001756619-25-000005 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,378

Underlying: Common Stock · 66 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0000950170-25-080882 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,312

Underlying: Common Stock · 56 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0000950170-25-067999 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,809

Underlying: Common Stock · 1,570 shares

Expires not disclosed

F1 · security: The deferred stock units ("DSUs") represent the portion of the reporting person's annual equity award under the Allison Transmission Holdings, Inc. (the "Company") Eighth Amended and Restated Non-Employee Director Compensation Policy deferred pursuant to the Company's Amended and Restated Non-Employee Director Deferred Compensation Plan.

F2 · derivative.exercise_price: Each DSU is the economic equivalent of one share of the Company's common stock. The DSUs become payable, in common stock, or at the Company's election cash, at the earlier of the reporting person's separation from service or a change in control. DSUs earn dividend equivalents when dividends are declared on the Company's common stock.

F4 · price: The number of DSUs received was calculated based on $98.72, which was the closing price of the Company's common stock on the date of grant.

F3 · derivative.exercise_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

F3 · derivative.expiration_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

SEC source: 0001628280-25-023766 · wk-form4_1746734737.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,309

Underlying: Common Stock · 18,309 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the first anniversary of the grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the first anniversary of the grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the first anniversary of the grant date.

SEC source: 0001628280-25-020767 · wk-form4_1745961456.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,025

Underlying: Common Stock · 16,025 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Enviri Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the beginning of the calendar year 2031.

F2 · derivative.exercise_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Enviri Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the beginning of the calendar year 2031.

F2 · derivative.expiration_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Enviri Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the beginning of the calendar year 2031.

SEC source: 0001628280-25-020767 · wk-form4_1745961456.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,025 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: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

SEC source: 0000950170-25-041154 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,256

Underlying: Common Stock · 54 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0000950170-24-132214 · ownership.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,202

Underlying: Common Stock · 41 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-24-016180 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,161

Underlying: Common Stock · 52 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-24-011792 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,109

Underlying: Common Stock · 64 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-24-009893 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,239

Underlying: Common Stock · 2,017 shares

Expires not disclosed

F1 · security: These deferred stock units ("DSUs") represent the portion of the reporting person's annual equity award under the Allison Transmission Holdings, Inc. (the "Company") Eighth Amended and Restated Non-Employee Director Compensation Policy deferred pursuant to the Company's Amended and Restated Non-Employee Director Deferred Compensation Plan.

F2 · derivative.exercise_price: Each DSU is the economic equivalent of one share of the Company's common stock. The DSUs become payable, in common stock, or at the company's election, cash, at the earlier of the reporting person's separation from service or a change in control. DSUs earn dividend equivalents when dividends are declared on the Company's common stock.

F4 · price: The number of DSUs received was calculated based on $76.81, which was the closing price of the Company's common stock on the date of grant.

F3 · derivative.exercise_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

F3 · derivative.expiration_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

SEC source: 0001628280-24-022669 · wk-form4_1715374110.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,025

Underlying: Common Stock · 16,025 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

SEC source: 0001628280-24-017159 · wk-form4_1713820742.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,426

Underlying: Common Stock · 13,426 shares

Expires not disclosed

F3 · derivative.exercise_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Enviri Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the beginning of the calendar year 2032.

F3 · derivative.expiration_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Enviri Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the beginning of the calendar year 2032.

SEC source: 0001628280-24-017159 · wk-form4_1713820742.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,426 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_date: Restricted Stock Units convert into common stock on a one-for-one basis.

F2 · derivative.expiration_date: On May 9, 2023 the reporting person was granted 13,426 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date.

SEC source: 0001062993-24-006799 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,045

Underlying: Common Stock · 58 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-23-021795 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock · 77 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-23-017549 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 910

Underlying: Common Stock · 67 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-23-012735 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 843

Underlying: Common Stock · 89 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001628280-23-017594 · wf-form4_168383712104441.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,426

Underlying: Common Stock · 13,426 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (i) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (i) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (i) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

SEC source: 0001062993-23-010350 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,222

Underlying: Common Stock · 3,146 shares

Expires not disclosed

F1 · security: These deferred stock units ("DSUs") represent the portion of the reporting person's annual equity award under the Allison Transmission Holdings, Inc. (the "Company") Seventh Amended and Restated Non-Employee Director Compensation Policy deferred pursuant to the Company's Amended and Restated Non-Employee Director Deferred Compensation Plan.

F2 · derivative.exercise_price: Each DSU is the economic equivalent of one share of the Company's common stock. The DSUs become payable, in common stock, or at the company's election, cash, at the earlier of the reporting person's separation from service or a change in control. DSUs earn dividend equivalents when dividends are declared on the Company's common stock.

F4 · price: The number of DSUs received was calculated based on $46.08, which was the closing price of the Company's common stock on the date of grant.

F3 · derivative.exercise_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

F3 · derivative.expiration_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

SEC source: 0001628280-23-012403 · wf-form4_168210659043138.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,129

Underlying: Common Stock · 15,924 shares

Expires not disclosed

F3 · derivative.exercise_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2030.

F3 · derivative.expiration_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2030.

SEC source: 0001628280-23-012403 · wf-form4_168210659043138.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,924 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_date: Restricted Stock Units convert into common stock on a one-for-one basis.

F2 · derivative.expiration_date: On May 9, 2022 the reporting person was granted 15,924 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date.

SEC source: 0001062993-23-007377 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 754

Underlying: Common Stock · 83 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-22-023188 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 671

Underlying: Common Stock · 68 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-22-019096 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 603

Underlying: Common Stock · 87 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-22-013978 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 516

Underlying: Common Stock · 79 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0000899243-22-017564 · doc4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,924

Underlying: Common Stock · 15,924 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (1) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

SEC source: 0001062993-22-011766 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,076

Underlying: Common Stock · 3,746 shares

Expires not disclosed

F1 · security: These deferred stock units ("DSUs") represent the portion of the reporting person's annual equity award under the Allison Transmission Holdings, Inc. (the "Company") Sixth Amended and Restated Non-Employee Director Compensation Policy deferred pursuant to the Company's Amended and Restated Non-Employee Director Deferred Compensation Plan.

F2 · derivative.exercise_price: Each DSU is the economic equivalent of one share of the Company's common stock. The DSUs become payable, in common stock, or at the company's election, cash, at the earlier of the reporting person's separation from service or a change in control. DSUs earn dividend equivalents when dividends are declared on the Company's common stock.

F4 · price: The number of DSUs received was calculated based on $38.70, which was the closing price of the Company's common stock on the date of grant.

F3 · derivative.exercise_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

F3 · derivative.expiration_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

SEC source: 0000899243-22-015419 · doc4.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,205

Underlying: Common Stock · 5,806 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2028.

F3 · derivative.exercise_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2028.

F3 · derivative.expiration_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2028.

SEC source: 0000899243-22-015419 · doc4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,806 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: Restricted Stock Units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: On May 10, 2021. the reporting person was granted 5,806 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date.

F2 · derivative.expiration_date: On May 10, 2021. the reporting person was granted 5,806 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date.

SEC source: 0001062993-22-008303 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 437

Underlying: Common Stock · 59 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001062993-21-011982 · form4.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378

Underlying: Common Stock · 62 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001411207-21-000171 · edgar.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 316

Underlying: Common Stock · 56 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0001411207-21-000120 · edgar.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260

Underlying: Common Stock · 48 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

SEC source: 0000045876-21-000089 · wf-form4_162082016011595.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,806

Underlying: Common Stock · 5,806 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (i) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.exercise_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (i) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

F1 · derivative.expiration_date: Represents restricted stock units granted under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each restricted stock unit shall vest at the close of business on the earlier of (i) the first anniversary of the grant date or (ii) the annual meeting of the Issuer's stockholders in the year immediately following the year of the grant date.

SEC source: 0001411207-21-000098 · edgar.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,330

Underlying: Common Stock · 2,927 shares

Expires not disclosed

F1 · security: The DSUs represent the portion of the reporting person's annual equity award under the Allison Transmission Holdings, Inc. (the "Company") Fifth Amended and Restated Non-Employee Director Compensation Policy deferred pursuant to the Company's Amended and Restated Non-Employee Director Deferred Compensation Plan.

F2 · derivative.exercise_price: Each DSU is the economic equivalent of one share of the Company's common stock. The DSUs become payable, in common stock, or at the company's election, cash, at the earlier of the reporting person's separation from service or a change in control. DSUs earn dividend equivalents when dividends are declared on the Company's common stock.

F4 · price: The number of DSUs received was calculated based on $44.40, which was the closing price of the Company's common stock on the date of grant.

F3 · derivative.exercise_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

F3 · derivative.expiration_date: The DSUs vest on the date of the next annual meeting of the stockholders of the Company.

SEC source: 0000045876-21-000070 · wf-form4_161902666982561.xml · derivative · entry 2

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,399

Underlying: Common Stock · 11,662 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2031.

F3 · derivative.exercise_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2031.

F3 · derivative.expiration_date: Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2031.

SEC source: 0000045876-21-000070 · wf-form4_161902666982561.xml · derivative · entry 1

HAZNEDAR CAROLANN I · CIK 0001756619 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,662 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: Restricted Stock Units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: On May 15, 2020, the reporting person was granted 11,662 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date.

F2 · derivative.expiration_date: On May 15, 2020, the reporting person was granted 11,662 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date.