Transaction Details

Footnotes

This sale was pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 26, 2025. | The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $114.5625 to $115.5600. The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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. | The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $115.5700 to $116.5564. The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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. | The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $116.5730 to $117.5400. The reporting person undertakes to provide Allison Transmission Holdings, Inc. 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. | This option vested on February 17, 2019.