InsiderTrades

Form 4 for ALSN Allison Transmission Holdings Inc

Accepted 2026-05-08 16:00:09 ET · period of report 2026-05-06 · accession 0001193125-26-214562 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-08 16:00 2026-05-06 ALSN Ostojic Sasha Dir M - OptEx $0.00 +1,586 10.6K +18% $0
DM 2026-05-08 16:00 2026-05-06 ALSN Ostojic Sasha Dir M - OptEx $0.00 -1,586 0 -100% $0
D 2026-05-08 16:00 2026-05-07 ALSN Ostojic Sasha Dir A - Grant $0.00 +1,503 1,503 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-06 M A 1,586 $0.00 10,560 D — — (F1) Settlement of restricted stock units ("RSUs") and related dividend equivalents. (F2) Includes 16 dividend equivalents.
2 Derivative Restricted Stock Units 2026-05-06 M D 1,570 $0.00 0 D — · — to — 1,570 Common Stock (F3) Each RSU represents a contingent right to receive one share of the Company's common stock. (F4) On May 8, 2025, the reporting person was granted 1,570 RSUs that vested on May 6, 2026. (F4) On May 8, 2025, the reporting person was granted 1,570 RSUs that vested on May 6, 2026.
3 Derivative Dividend Equivalent Rights 2026-05-06 M D 16 $0.00 0 D — · — to — 16 Common Stock (F5) Each dividend equivalent right is the economic equivalent of one share of the Company's common stock. (F6) The dividend equivalent rights accrued on previously awarded RSUs and vested on May 6, 2026. (F6) The dividend equivalent rights accrued on previously awarded RSUs and vested on May 6, 2026.
4 Derivative Restricted Stock Units 2026-05-07 A A 1,503 $0.00 1,503 D — · — to — 1,503 Common Stock (F7) The RSUs represent the reporting person's annual equity award under the Company's Ninth Amended and Restated Non-Employee Director Compensation Policy. (F3) Each RSU represents a contingent right to receive one share of the Company's common stock. (F9) The number of RSUs received was calculated based on $123.02, which was the closing price of the Company's common stock on the date of grant. (F8) The RSUs vest on the date of the next annual meeting of the stockholders of the Company. Unvested RSUs earn dividend equivalents when dividends are declared on the Company's common stock. (F8) The RSUs vest on the date of the next annual meeting of the stockholders of the Company. Unvested RSUs earn dividend equivalents when dividends are declared on the Company's common stock.