Altmaier Judy L 4

What Happened

• Judy L. Altmaier, a director of Allison Transmission Holdings, Inc. (ALSN), was granted 1,503 deferred stock units (DSUs) on 2026-05-07. The grant is reported as a derivative award (acquisition code A) with an acquisition price of $0.00. The number of DSUs was calculated using the closing stock price of $123.02 on the grant date, giving the award an approximate value of $184,899.06.
• This was a compensation award (not a purchase or sale) under the company's non-employee director compensation policy rather than a market trade.

Key Details

• Transaction date: 2026-05-07; Form 4 filed: 2026-05-08 (timely filing).
• Grant details: 1,503 DSUs; calculation based on $123.02 closing price; acquisition price reported $0.00 (derivative award).
• Vesting/payment: DSUs vest on the date of the next annual meeting and are payable in common stock (or cash at the company's election) upon separation from service or a change in control.
• Dividend treatment: DSUs earn dividend equivalents when dividends are declared.
• Shares owned after transaction: not specified in the filing.
• Footnotes: award governed by the company’s Non-Employee Director Deferred Compensation Plan and Ninth Amended and Restated Non-Employee Director Compensation Policy.

Context

• DSUs are a form of deferred compensation that give the holder the economic equivalent of company shares in the future; they do not represent current tradable shares. Such grants are routine director compensation and do not by themselves indicate a personal decision to buy or sell stock in the open market.