Milburn Ryan A.

SEC source: 0001193125-25-312715 · 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: 79

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: 0001543604-25-000005 · 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: 70

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: 0000950170-25-080870 · 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: 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: 0000950170-25-076906 · ownership.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,292

Underlying: Common Stock · 2,146 shares

Expires 2034-02-21

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.

F3 · derivative.exercise_date: This option vests in three equal annual installments beginning on February 21, 2025.

SEC source: 0000950170-25-076906 · ownership.xml · derivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,266 shares

Expires 2028-02-07

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 on February 7, 2021.

SEC source: 0000950170-25-076906 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,924

F1 · shares: The sale reported in this Form 4 was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2025.

SEC source: 0000950170-25-076906 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,336

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: 0000950170-25-076906 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,190

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: 0000950170-25-076906 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,924

SEC source: 0000950170-25-041144 · ownership.xml · derivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53

Underlying: Common Stock · 9 shares

Expires not disclosed

F2 · 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.

F2 · 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.

F2 · 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: 0000950170-25-041144 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,138

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 29, 2024.

SEC source: 0000950170-25-031961 · ownership.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,354 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: 0000950170-25-031961 · 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: 18,684

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

SEC source: 0000950170-25-031961 · 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: 20,492

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: 0000950170-25-029018 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,138

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 29, 2024.

SEC source: 0000950170-25-029018 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,931

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 29, 2024.

SEC source: 0000950170-25-026620 · ownership.xml · derivative · entry 15

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44

Underlying: Common Stock · 51 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 14

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,059 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: 0000950170-25-026620 · ownership.xml · nonDerivative · entry 9

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,593

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 8

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,910

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 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,859

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: 0000950170-25-026620 · ownership.xml · derivative · entry 13

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95

Underlying: Common Stock · 27 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 12

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 937

Underlying: Common Stock · 937 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: 0000950170-25-026620 · ownership.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,800

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 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,102

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 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,075

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: 0000950170-25-026620 · 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: 0000950170-25-024825 · 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: 0000950170-25-018819 · 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: 0000950170-24-132209 · 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: 129

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: 0000950170-24-131649 · 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: 13,661

SEC source: 0001062993-24-016184 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119

Underlying: Common Stock · 12 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: 0001062993-24-011798 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107

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: 0001062993-24-006803 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91

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: 0001062993-24-005684 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,456

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2023.

SEC source: 0001062993-24-005095 · form4.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,634 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: 0001062993-24-005095 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,054

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

SEC source: 0001062993-24-005095 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,090

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: 0001062993-24-004926 · form4.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,620

Underlying: Common Stock · 2,810 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.

F4 · derivative.exercise_date: The option vests in three equal annual installments beginning on February 22, 2024.

SEC source: 0001062993-24-004926 · form4.xml · derivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,266

Underlying: Common Stock · 3,190 shares

Expires 2028-02-07

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.

F3 · derivative.exercise_date: The option vested on February 7, 2021.

SEC source: 0001062993-24-004926 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,456

F2 · price: The price reported is a weighted average price.The shares were sold in multiple transactions at per share prices ranging from $74.7500 to $74.8300. 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: 0001062993-24-004926 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,456

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: 0001062993-24-004926 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,646

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: 0001062993-24-004926 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,456

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2023.

SEC source: 0001062993-24-004599 · form4.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75

Underlying: Common Stock · 41 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.