ALSN

SEC source: 0000950170-25-026628 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · COO, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,334

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: 0000950170-25-026625 · 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: 0000950170-25-026620 · ownership.xml · derivative · entry 11

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122

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: 0000950170-25-026620 · ownership.xml · derivative · entry 10

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,431

Underlying: Common Stock · 715 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: 0000950170-25-026620 · ownership.xml · nonDerivative · entry 3

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,138

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

SEC source: 0000950170-25-026620 · ownership.xml · nonDerivative · entry 2

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,383

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: 0000950170-25-026620 · ownership.xml · nonDerivative · entry 1

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,376

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: 0000950170-25-026614 · ownership.xml · derivative · entry 12

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101

Underlying: Common Stock · 5 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: 0000950170-25-026614 · ownership.xml · derivative · entry 11

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,197

Underlying: Common Stock · 598 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: 0000950170-25-026614 · ownership.xml · nonDerivative · entry 3

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,053

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

SEC source: 0000950170-25-026614 · ownership.xml · nonDerivative · entry 2

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,263

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: 0000950170-25-026614 · ownership.xml · nonDerivative · entry 1

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,258

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: 0000950170-25-026613 · ownership.xml · derivative · entry 11

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122

Underlying: Common Stock · 8 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: 0000950170-25-026613 · ownership.xml · derivative · entry 10

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,480

Underlying: Common Stock · 739 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: 0000950170-25-026613 · ownership.xml · nonDerivative · entry 3

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,097

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

SEC source: 0000950170-25-026613 · ownership.xml · nonDerivative · entry 2

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,357

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: 0000950170-25-026613 · ownership.xml · nonDerivative · entry 1

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,349

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: 0000950170-25-024827 · ownership.xml · derivative · entry 2

Eifert Thomas · CIK 0001878235 · VP, Quality Plan & Prog Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,151

Underlying: Common Stock · 1,151 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: 0000950170-25-024827 · ownership.xml · derivative · entry 1

Eifert Thomas · CIK 0001878235 · VP, Quality Plan & Prog Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,455

Underlying: Common Stock · 3,455 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-024832 · ownership.xml · derivative · entry 2

Coll John · CIK 0001687117 · SVP, Global MSS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,113

Underlying: Common Stock · 2,113 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: 0000950170-25-024832 · ownership.xml · derivative · entry 1

Coll John · CIK 0001687117 · SVP, Global MSS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,342

Underlying: Common Stock · 6,342 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-024831 · ownership.xml · derivative · entry 2

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 949

Underlying: Common Stock · 949 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: 0000950170-25-024831 · ownership.xml · derivative · entry 1

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,847

Underlying: Common Stock · 2,847 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-024830 · 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: 0000950170-25-024825 · ownership.xml · derivative · entry 2

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,151

Underlying: Common Stock · 1,151 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: 0000950170-25-024825 · ownership.xml · derivative · entry 1

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,455

Underlying: Common Stock · 3,455 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-024829 · ownership.xml · derivative · entry 2

Graziosi David S. · CIK 0001543492 · Director · Chair, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,915

Underlying: Common Stock · 17,915 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: 0000950170-25-024829 · ownership.xml · derivative · entry 1

Graziosi David S. · CIK 0001543492 · Director · Chair, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,761

Underlying: Common Stock · 53,761 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-024824 · ownership.xml · derivative · entry 2

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,248

Underlying: Common Stock · 1,248 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: 0000950170-25-024824 · ownership.xml · derivative · entry 1

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel & Assist. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,746

Underlying: Common Stock · 3,746 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-024828 · ownership.xml · derivative · entry 2

Bohley G Frederick · CIK 0001741824 · COO, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,772

Underlying: Common Stock · 4,772 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: 0000950170-25-024828 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · COO, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,322

Underlying: Common Stock · 14,322 shares

Expires 2035-02-19

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

SEC source: 0000950170-25-018823 · ownership.xml · derivative · entry 1

Eifert Thomas · CIK 0001878235 · VP, Quality Plan & Prog Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,354

Underlying: Common Stock · 6,354 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 6,354 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: 0000950170-25-018827 · ownership.xml · derivative · entry 1

Coll John · CIK 0001687117 · SVP, Global MSS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,522

Underlying: Common Stock · 11,522 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 11,522 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: 0000950170-25-018826 · ownership.xml · derivative · entry 1

Pittard Dana JH · CIK 0001661939 · VP, Defense Programs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,372

Underlying: Common Stock · 5,372 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 5,372 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: 0000950170-25-018825 · ownership.xml · derivative · entry 1

Graziosi David S. · CIK 0001543492 · Director · Chair, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,600

Underlying: Common Stock · 88,600 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 24, 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 88,600 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: 0000950170-25-018824 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · COO, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,316

Underlying: Common Stock · 17,316 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 17,316 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: 0000950170-25-018829 · 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: 0000950170-25-018819 · ownership.xml · derivative · entry 1

Milburn Ryan A. · CIK 0001543604 · VP, Engr. & Tech Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,354

Underlying: Common Stock · 6,354 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 6,354 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: 0000950170-25-018828 · ownership.xml · derivative · entry 1

Scroggins Eric C. · CIK 0001543507 · VP, Gen. Counsel and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,362

Underlying: Common Stock · 6,362 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 6,362 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: 0000950170-25-017873 · ownership.xml · derivative · entry 1

LAVIN RICHARD P · CIK 0001171774 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,115

Underlying: Common Stock · 235 shares

Expires not disclosed

F1 · security: These deferred stock units ("DSUs") represent a quarterly payment of the portion of the reporting person's annual retainer and other fees 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. The annual retainer and other fees are payable quarterly in arrears.

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.

F3 · shares: The number of DSUs received was calculated based on $115.80, which was the closing price of the Company's common stock on the date of grant.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0000950170-25-017878 · ownership.xml · nonDerivative · entry 1

Christman Philip J · CIK 0001756611 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,350

F1 · security: These shares represent a quarterly payment of the reporting person's annual retainer under the Allison Transmission Holdings, Inc. (the "Company") Eighth Amended and Restated Non-Employee Director Compensation Policy. The annual retainer is paid quarterly in arrears in cash or common stock at the reporting person's discretion.

F2 · shares: The number of shares of common stock received was calculated based on $115.80, which was the closing price of the Company's common stock on the date of grant.

SEC source: 0000950170-25-017876 · ownership.xml · nonDerivative · entry 1

BARBOUR D. SCOTT · CIK 0001716232 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,063

F1 · security: These shares represent a quarterly payment of the reporting person's annual retainer under the Allison Transmission Holdings, Inc. (the "Company") Eighth Amended and Restated Non-Employee Director Compensation Policy. The annual retainer is paid quarterly in arrears in cash or common stock at the reporting person's discretion.

F2 · shares: The number of shares of common stock received was calculated based on $115.80, which was the closing price of the Company's common stock on the date of grant.

SEC source: 0000950170-25-017875 · ownership.xml · nonDerivative · entry 1

Ostojic Sasha · CIK 0001942133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,693

F1 · security: These shares represent a quarterly payment of the reporting person's annual retainer under the Allison Transmission Holdings, Inc. (the "Company") Eighth Amended and Restated Non-Employee Director Compensation Policy. The annual retainer is paid quarterly in arrears in cash or common stock at the reporting person's discretion.

F2 · shares: The number of shares of common stock received was calculated based on $115.80, which was the closing price of the Company's common stock on the date of grant.

SEC source: 0000950170-25-001133 · ownership.xml · nonDerivative · entry 1

Coll John · CIK 0001687117 · SVP, Global MSS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,420

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2023.