Form 4 for ALSN Allison Transmission Holdings Inc
Accepted 2026-08-25 21:10:22 ET · period of report 2026-08-21 · accession 0001193125-26-365668 · 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 | 2026-08-25 21:10 | 2026-08-21 | ALSN | Graziosi David S. | COB, Pres, CEO, Dir | M - OptEx | $38.11 | +26.7K | 331.6K | +9% | +$1.02M |
| DM | 2026-08-25 21:10 | 2026-08-21 | ALSN | Graziosi David S. | COB, Pres, CEO, Dir | S - Sale+OE | $132.97 | -26.7K | 304.8K | -8% | -$3.55M |
| D | 2026-08-25 21:10 | 2026-08-21 | ALSN | Graziosi David S. | COB, Pres, CEO, Dir | M - OptEx | $0.00 | -26.7K | 17.6K | -60% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-21 | M | A | 26,708 | $38.11 | 331,551 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-21 | S | D | 13,100 | $132.44 | 318,451 | D | — | — | (F1) The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $132.000000 to $132.990000. 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 sold at each separate price within the range set forth in this footnote. |
| 3 | Common | Common Stock | 2026-08-21 | S | D | 9,050 | $133.21 | 309,401 | D | — | — | (F2) The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $133.000000 to $133.360000. The reporting person undertakes to provide ALSN 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. |
| 4 | Common | Common Stock | 2026-08-21 | S | D | 4,558 | $134.05 | 304,843 | D | — | — | (F3) The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $134.000000 to $134.120000. The reporting person undertakes to provide ALSN 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. |
| 5 | Derivative | Employee Stock Option (right to buy) | 2026-08-21 | M | D | 26,708 | $0.00 | 17,593 | D | $38.11 · — to 2032-02-24 | 26,708 Common Stock | (F4) This option vested in three equal annual installments beginning on February 24, 2023. |