Form 4 Filing for Bohley G Frederick

This filing details a transaction by Bohley G Frederick, an officer of Allison Transmission Holdings Inc. On August 31, 2026, Mr. Frederick acquired 35 Dividend Equivalent Rights (DERs) related to previously awarded restricted stock units (RSUs). These DERs vest proportionally with the RSUs and hold economic equivalence to one share of common stock. The acquisition was made at a price of $0.0 per right, increasing his post-transaction holdings to 205 DERs. The underlying security for these rights is the common stock of Allison Transmission Holdings Inc. The transaction was reported on September 2, 2026.