van Niekerk Teresa 4

4 · Allison Transmission Holdings Inc · Filed Feb 25, 2025

Form 4

Period: 2025-02-21

VP, Chief Procurement Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2025-02-21+736→ 17,364 total
Exercise/Conversion
Common Stock
[F2]
2025-02-21+7→ 17,371 total
Tax Payment
Common Stock
[F3]
2025-02-21$100.67/sh−252$25,369→ 17,119 total
Exercise/Conversion
Common Stock
[F4]
2025-02-22+962→ 18,081 total
Exercise/Conversion
Common Stock
[F2]
2025-02-22+28→ 18,109 total
Tax Payment
Common Stock
[F3]
2025-02-22$100.67/sh−305$30,704→ 17,804 total
Exercise/Conversion
Common Stock
[F5]
2025-02-23+1,101→ 18,905 total
Exercise/Conversion
Common Stock
[F2]
2025-02-23+54→ 18,959 total
Tax Payment
Common Stock
[F3]
2025-02-23$100.67/sh−330$33,221→ 18,629 total
Exercise/Conversion
Restricted Stock Units
[F1]
2025-02-21−736→ 1,472 total
→ Common Stock (736 underlying)
Exercise/Conversion
Dividend Equivalent Rights
[F2]
2025-02-21−7→ 126 total
→ Common Stock (7 underlying)
Exercise/Conversion
Restricted Stock Units
[F4]
2025-02-22−962→ 963 total
→ Common Stock (962 underlying)
Exercise/Conversion
Dividend Equivalent Rights
[F2]
2025-02-22−28→ 98 total
→ Common Stock (28 underlying)
Exercise/Conversion
Restricted Stock Units
[F5]
2025-02-23−1,101→ 0 total
→ Common Stock (1,101 underlying)
Exercise/Conversion
Dividend Equivalent Rights
[F2]
2025-02-23−54→ 44 total
→ Common Stock (54 underlying)

Footnotes (5)

[F1]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.
[F2]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.
[F3]Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs.
[F4]Settlement of RSUs granted on February 22, 2023. Each RSU represents a contingent right to receive one share of ALSN common stock.
[F5]Settlement of RSUs granted on February 23, 2022. Each RSU represents a contingent right to receive one share of ALSN common stock.

Signature

/s/ Preston B. Ray, attorney-in-fact|2025-02-25

Documents

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