Bohley G Frederick

SEC source: 0001193125-26-380144 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205

Underlying: Common Stock · 35 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: 0001193125-26-344582 · ownership.xml · derivative · entry 4

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,961 shares

Expires 2027-02-21

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.

F1 · derivative.exercise_date: This option vested on February 22, 2020.

SEC source: 0001193125-26-344582 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,886

SEC source: 0001193125-26-344582 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,847

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: 0001741824-26-000004 · ownership.xml · derivative · entry 6

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170

Underlying: Common Stock · 10 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: 0001741824-26-000004 · ownership.xml · derivative · entry 5

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 534

Underlying: Common Stock · 533 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 June 4, 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 June 4, 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 June 4, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001741824-26-000004 · ownership.xml · nonDerivative · entry 3

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,886

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

SEC source: 0001741824-26-000004 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,128

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: 0001741824-26-000004 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,118

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 June 4, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001741824-26-000002 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180

Underlying: Common Stock · 39 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: 0001193125-26-121750 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141

Underlying: Common Stock · 39 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: 0001193125-26-088092 · ownership.xml · derivative · entry 4

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,101 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 performance-based restricted stock units ("PSUs") granted on February 22, 2023. 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 22, 2023. 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 22, 2023. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001193125-26-088092 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,585

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

SEC source: 0001193125-26-088092 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,165

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.

F1 · price: Settlement of performance-based restricted stock units ("PSUs") granted on February 22, 2023. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001193125-26-082485 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,515

Underlying: Common Stock · 9,515 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The RSUs vest in three equal annual installments beginning on February 25, 2027.

F2 · derivative.expiration_date: The RSUs vest in three equal annual installments beginning on February 25, 2027.

SEC source: 0001193125-26-066924 · ownership.xml · derivative · entry 11

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102

Underlying: Common Stock · 119 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: 0001193125-26-066924 · ownership.xml · derivative · entry 10

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,909 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: 0001193125-26-066924 · ownership.xml · nonDerivative · entry 6

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,064

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

SEC source: 0001193125-26-066924 · ownership.xml · nonDerivative · entry 5

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,358

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: 0001193125-26-066924 · ownership.xml · nonDerivative · entry 4

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,239

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: 0001193125-26-066924 · ownership.xml · derivative · entry 9

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221

Underlying: Common Stock · 50 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: 0001193125-26-066924 · ownership.xml · derivative · entry 8

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,223

Underlying: Common Stock · 2,223 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: 0001193125-26-066924 · ownership.xml · nonDerivative · entry 3

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,330

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

SEC source: 0001193125-26-066924 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,290

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: 0001193125-26-066924 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,240

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: 0001193125-26-063949 · ownership.xml · derivative · entry 6

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 271

Underlying: Common Stock · 17 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: 0001193125-26-063949 · ownership.xml · derivative · entry 5

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,182

Underlying: Common Stock · 1,590 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 February 19, 2025. 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 February 19, 2025. 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 February 19, 2025. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001193125-26-063949 · ownership.xml · nonDerivative · entry 3

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,017

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

SEC source: 0001193125-26-063949 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,681

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: 0001193125-26-063949 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,664

F1 · price: Settlement of restricted stock units ("RSUs") granted February 19, 2025. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0001193125-26-054562 · ownership.xml · derivative · entry 6

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,348 shares

Expires 2026-02-17

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: This option vested on February 17, 2019.

SEC source: 0001193125-26-054562 · ownership.xml · nonDerivative · entry 4

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 99,074

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 26, 2025.

F4 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $116.5730 to $117.5400. 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: 0001193125-26-054562 · ownership.xml · nonDerivative · entry 3

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 103,786

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 26, 2025.

F3 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $115.5700 to $116.5564. 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: 0001193125-26-054562 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 108,294

F1 · shares: This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 26, 2025.

F2 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $114.5625 to $115.5600. 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: 0001193125-26-054562 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 109,422

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

SEC source: 0001193125-26-051269 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · Allison COO,Pres.&BU Leader AT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,101

Underlying: Common Stock · 17,101 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 22, 2023, 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 2023-2025. As determined on February 11, 2026, based on ALSN's actual performance for 2023-2025, the reporting person earned 17,101 PSUs.

F3 · derivative.exercise_date: Earned PSUs will vest on February 28, 2026.

F3 · derivative.expiration_date: Earned PSUs will vest on February 28, 2026.

SEC source: 0001193125-25-312708 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 288

Underlying: Common Stock · 38 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: 0001741824-25-000009 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250

Underlying: Common Stock · 39 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: 0001741824-25-000005 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,074

F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at per share prices ranging from $88.49 to $88.50. The reporting person undertakes to provide Allison Transmission Holdings, Inc. ("ALSN") or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001741824-25-000007 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,074

F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at per share prices ranging from $88.49 to $88.50. The reporting person undertakes to provide Allison Transmission Holdings, Inc. ("ALSN") or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · price: This Form 4/A is being filed to amend the original Form 4 filed on August 15, 2025, solely to correct an administrative error in the weighted average price reported. The original filing reported a weighted average price of $89.4999 for the purchase transaction that occurred on August 14, 2025. The correct weighted average price is $88.4999.

SEC source: 0000950170-25-082302 · ownership.xml · derivative · entry 6

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211

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: 0000950170-25-082302 · ownership.xml · derivative · entry 5

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,067

Underlying: Common Stock · 533 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 June 4, 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 June 4, 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 June 4, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0000950170-25-082302 · ownership.xml · nonDerivative · entry 3

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,074

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

SEC source: 0000950170-25-082302 · ownership.xml · nonDerivative · entry 2

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,314

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: 0000950170-25-082302 · ownership.xml · nonDerivative · entry 1

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,309

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 June 4, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

SEC source: 0000950170-25-080868 · ownership.xml · derivative · entry 1

Bohley G Frederick · CIK 0001741824 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216

Underlying: Common Stock · 34 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: 0000950170-25-041148 · ownership.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182

Underlying: Common Stock · 37 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: 0000950170-25-031965 · ownership.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,316 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: 0000950170-25-031965 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,776

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

SEC source: 0000950170-25-031965 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,221

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.