Graziosi David S. 4

What Happened David S. Graziosi, Chair, President and CEO of Allison Transmission Holdings, Inc. (ALSN), was granted 34,320 restricted stock units (RSUs) on February 25, 2026. The award is reported as a derivative acquisition at $0.00 per unit (typical for RSU grants); each RSU represents the contingent right to receive one share of common stock upon vesting. This is an equity compensation award rather than an open‑market purchase or sale.

Key Details

• Transaction date: 2026-02-25; Form 4 filed 2026-02-27 (appears filed within the normal reporting window).
• Award: 34,320 RSUs, reported at $0.00 per unit (derivative award). Transaction code: A (award/grant).
• Vesting: RSUs vest in three equal annual installments beginning February 25, 2027 (per filing footnote).
• Shares owned after transaction: Not specified in the information provided in this summary.
• Footnotes: F1—each RSU equals a contingent right to one share; F2—three-year annual vesting schedule.

Context RSU grants are a form of compensation and do not represent an immediate cash purchase or sale. The units convert into actual shares only as they vest per the schedule above; therefore this transaction does not signal an immediate buy or sell in the market. Such awards are common for executives and are intended for retention and alignment with shareholder interests.