February 22, 2026 · Form 4 insider transaction
Graziosi David S. bought 240 shares of Allison Transmission Holdings Corp, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
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.