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Allison Transmission Holdings Inc. planned insider sales

In the twelve months since 9 October 2025 insiders at Allison Transmission Holdings Inc. filed 12 Form 144 notices of planned sales, 68,274 shares worth $8.4 million at the time of filing, from 8 sellers. The latest, filed 21 August 2026: Graziosi David S. (officer), 26,708 shares worth $3.6 million, planned for around 21 August 2026 through Merrill Lynch.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
21 August 2026Graziosi David S.Officer26,708$3.6 million21 August 2026Merrill LynchExercise of employee stock optionsForm 144
11 August 2026Scroggins Eric C.Officer1,050$131,25011 August 2026Merrill LynchVesting of performance share unit awardForm 144
10 August 2026Bohley G FrederickOfficer3,961$484,74810 August 2026Merrill LynchExercise of employee stock optionsForm 144
8 May 2026Mell Scott AOfficer2,330$167,1258 May 2026Merrill LynchExercise of employee stock options; Vesting of restricted stock unit awardsForm 144
9 March 2026Scroggins Eric C.Officer1,313$150,2079 March 2026Merrill LynchVesting of performance share unit award; Vesting of restricted stock unit awardForm 144
5 March 2026Milburn Ryan A.Officer3,943$495,0445 March 2026Merrill LynchVesting of performance share unitForm 144
2 March 2026Coll JohnOfficer2,703$342,7782 March 2026Merrill LynchVesting of restricted stock unit awardForm 144
26 February 2026van Niekerk TeresaOfficer6,120$790,94926 February 2026Merrill LynchExercise of employee stock options; Vesting of restricted stock unit awardForm 144
25 February 2026Milburn Ryan A.Officer1,178$144,03425 February 2026Merrill LynchVesting of restricted stock unit awardForm 144
13 February 2026Bohley G FrederickOfficer10,348$1.2 million13 February 2026Merrill LynchExercise of employee stock optionsForm 144
15 January 2026Pittard Dana JHOfficer6,829$751,19015 January 2026Merrill LynchExercise of employee stock optionsForm 144
31 December 2025Coll JohnOfficer1,791$176,93331 December 2025Merrill LynchVesting of performance share awardForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for Allison Transmission Holdings Inc.: the company's filing index, each notice read from its own XML.

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