InsiderTrades

Form 4 for ALSN Allison Transmission Holdings Inc

Accepted 2025-05-23 00:00:00 ET · period of report 2025-05-21 · accession 0000950170-25-076906 · 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
DMT 2025-05-23 2025-05-21 ALSN Milburn Ryan A. VP, Engr, Tech Dev M - OptEx $60.65 +3,412 13.2K +35% +$206.9K
DT 2025-05-23 2025-05-21 ALSN Milburn Ryan A. VP, Engr, Tech Dev S - Sale+OE $105.24 -3,412 11.9K -22% -$359.1K
DT 2025-05-23 2025-05-21 ALSN Milburn Ryan A. VP, Engr, Tech Dev G - Gift $0.00 -2,214 11.9K -16% $0
DMT 2025-05-23 2025-05-21 ALSN Milburn Ryan A. VP, Engr, Tech Dev M - OptEx $0.00 -3,412 4,292 -44% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-05-21 M A 2,146 $70.88 15,336 D — —
2 Common Common Stock 2025-05-21 S D 3,412 $105.24 11,924 D — — (F1) 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.
3 Common Common Stock 2025-05-21 G D 2,214 $0.00 11,924 D — —
4 Common Common Stock 2025-05-21 M A 1,266 $43.30 13,190 D — —
5 Derivative Employee Stock Option (right to buy) 2025-05-21 M D 1,266 $0.00 0 D $43.30 · — to 2028-02-07 1,266 Common Stock (F2) This option vested on February 7, 2021.
6 Derivative Employee Stock Option (right to buy) 2025-05-21 M D 2,146 $0.00 4,292 D $70.88 · — to 2034-02-21 2,146 Common Stock (F3) This option vests in three equal annual installments beginning on February 21, 2025.