van Niekerk Teresa

SEC source: 0001193125-25-312712 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80

Underlying: Common Stock · 9 shares

Expires not disclosed

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

SEC source: 0001918190-25-000005 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71

Underlying: Common Stock · 10 shares

Expires not disclosed

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

SEC source: 0000950170-25-080877 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61

Underlying: Common Stock · 8 shares

Expires not disclosed

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

SEC source: 0000950170-25-041161 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53

Underlying: Common Stock · 9 shares

Expires not disclosed

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

SEC source: 0000950170-25-031962 · ownership.xml · derivative · entry 3

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,604 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: Settlement of performance-based restricted stock units ("PSUs") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.exercise_date: Settlement of performance-based restricted stock units ("PSUs") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.expiration_date: Settlement of performance-based restricted stock units ("PSUs") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0000950170-25-031962 · ownership.xml · nonDerivative · entry 2

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,875

F2 · shares: Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of PSUs.

SEC source: 0000950170-25-031962 · ownership.xml · nonDerivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,232

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 · price: Settlement of performance-based restricted stock units ("PSUs") granted on February 23, 2022. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0000950170-25-030829 · ownership.xml · derivative · entry 5

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,303 shares

Expires 2032-02-23

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 · derivative.exercise_date: This option vested in three equal annual installations beginning on February 23, 2023.

SEC source: 0000950170-25-030829 · ownership.xml · derivative · entry 4

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,887

Underlying: Common Stock · 2,887 shares

Expires 2033-02-22

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: This option vests in three equal annual installations beginning on February 22, 2024.

SEC source: 0000950170-25-030829 · ownership.xml · nonDerivative · entry 3

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,628

F3 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $100.7614 to $101.3900. The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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.

SEC source: 0000950170-25-030829 · ownership.xml · nonDerivative · entry 2

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,819

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: 0000950170-25-030829 · ownership.xml · nonDerivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,516

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: 0000950170-25-026625 · ownership.xml · derivative · entry 15

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44

Underlying: Common Stock · 54 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.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.expiration_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · derivative · entry 14

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,101 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.

F5 · derivative.exercise_price: Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock.

F5 · derivative.exercise_date: Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock.

F5 · derivative.expiration_date: Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 9

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,629

F3 · shares: Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 8

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,959

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 · price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 7

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,905

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 · price: Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · derivative · entry 13

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98

Underlying: Common Stock · 28 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.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.expiration_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · derivative · entry 12

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 963

Underlying: Common Stock · 962 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.

F4 · derivative.exercise_price: Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock.

F4 · derivative.exercise_date: Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock.

F4 · derivative.expiration_date: Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 6

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,804

F3 · shares: Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 5

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,109

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 · price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 4

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,081

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.

F4 · price: Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · derivative · entry 11

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126

Underlying: Common Stock · 7 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.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.expiration_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · derivative · entry 10

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,472

Underlying: Common Stock · 736 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: Settlement of restricted stock units ("RSUs") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.exercise_date: Settlement of restricted stock units ("RSUs") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.expiration_date: Settlement of restricted stock units ("RSUs") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 3

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,119

F3 · shares: Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 2

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,371

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 · price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0000950170-25-026625 · ownership.xml · nonDerivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,364

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 · price: Settlement of restricted stock units ("RSUs") granted on February 21, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0000950170-25-024830 · ownership.xml · derivative · entry 2

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,181

Underlying: Common Stock · 1,181 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Allison Transmission Holdings, Inc. common stock.

F3 · derivative.exercise_date: The RSUs vest in three equal annual installments beginning on February 19, 2026.

F3 · derivative.expiration_date: The RSUs vest in three equal annual installments beginning on February 19, 2026.

SEC source: 0000950170-25-024830 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,543

Underlying: Common Stock · 3,543 shares

Expires 2035-02-19

F1 · derivative.exercise_date: The options vest in three equal installments beginning on February 19, 2026.

SEC source: 0000950170-25-018829 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,604

Underlying: Common Stock · 6,604 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F2 · shares: On February 23, 2022, the reporting person was granted PSUs with the number of PSUs earned to be determined based on the extent to which certain performance conditions were met for a performance period of 2022-2024. As determined on February 10, 2025, based on ALSN's actual performance for 2022-2024, the reporting person earned 6,604 PSUs.

F3 · derivative.exercise_date: Earned PSUs will vest on February 28, 2025.

F3 · derivative.expiration_date: Earned PSUs will vest on February 28, 2025.

SEC source: 0000950170-24-132201 · ownership.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133

Underlying: Common Stock · 10 shares

Expires not disclosed

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

SEC source: 0001062993-24-016100 · form4.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123

Underlying: Common Stock · 13 shares

Expires not disclosed

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

SEC source: 0001062993-24-011812 · form4.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110

Underlying: Common Stock · 16 shares

Expires not disclosed

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

SEC source: 0001062993-24-009642 · form4.xml · nonDerivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,628

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $75.4500 to $75.9900. The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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.

SEC source: 0001062993-24-006819 · form4.xml · derivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94

Underlying: Common Stock · 16 shares

Expires not disclosed

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

SEC source: 0001062993-24-005065 · form4.xml · derivative · entry 3

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,498 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: Settlement of performance-based restricted stock units ("PSUs") granted on February 10, 2021. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.exercise_date: Settlement of performance-based restricted stock units ("PSUs") granted on February 10, 2021. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.expiration_date: Settlement of performance-based restricted stock units ("PSUs") granted on February 10, 2021. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001062993-24-005065 · form4.xml · nonDerivative · entry 2

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,328

F2 · shares: Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of PSUs.

SEC source: 0001062993-24-005065 · form4.xml · nonDerivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,610

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 · price: Settlement of performance-based restricted stock units ("PSUs") granted on February 10, 2021. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001062993-24-004591 · form4.xml · derivative · entry 12

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,774

Underlying: Common Stock · 2,886 shares

Expires 2033-02-22

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_date: The option vests in three equal annual installments beginning on February 22, 2024.

SEC source: 0001062993-24-004591 · form4.xml · derivative · entry 11

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,303

Underlying: Common Stock · 3,302 shares

Expires 2032-02-23

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_date: The options vest in three equal annual installments beginning on February 23, 2023.

SEC source: 0001062993-24-004591 · form4.xml · derivative · entry 10

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,761 shares

Expires 2031-02-10

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 · derivative.exercise_date: The option vested in three equal annual installments beginning on February 10, 2022.

SEC source: 0001062993-24-004591 · form4.xml · nonDerivative · entry 7

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,112

F4 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $74.7488 to $74.9799. The reporting person undertakes to provide ALSN 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.

SEC source: 0001062993-24-004591 · form4.xml · nonDerivative · entry 6

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,353

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: 0001062993-24-004591 · form4.xml · nonDerivative · entry 5

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,467

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: 0001062993-24-004591 · form4.xml · nonDerivative · entry 4

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,165

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: 0001062993-24-004591 · form4.xml · derivative · entry 9

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78

Underlying: Common Stock · 42 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.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

F2 · derivative.expiration_date: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0001062993-24-004591 · form4.xml · derivative · entry 8

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,101

Underlying: Common Stock · 1,101 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: Settlement of restricted stock units ("RSUs") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.exercise_date: Settlement of restricted stock units ("RSUs") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

F1 · derivative.expiration_date: Settlement of restricted stock units ("RSUs") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001062993-24-004591 · form4.xml · nonDerivative · entry 3

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,404

F3 · shares: Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of DERs and RSUs.

SEC source: 0001062993-24-004591 · form4.xml · nonDerivative · entry 2

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,728

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 · price: Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.

SEC source: 0001062993-24-004591 · form4.xml · nonDerivative · entry 1

van Niekerk Teresa · CIK 0001918190 · VP, Chief Procurement Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,686

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.

F1 · price: Settlement of restricted stock units ("RSUs") granted on February 23, 2022. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.