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Allison Transmission

Allison Transmission (NYSE: ALSN) insider transactions

In the twelve months to 10 November 2026, executives and directors of Allison Transmission reported 12 open-market sales of 47,441 shares ($6.0m) and 0 open-market purchases, by 5 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Allison Transmission shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
21 August 2026Graziosi David S.Chair, President and CEOOption exercise+26,708$38.11331,551Form 4
21 August 2026Graziosi David S.Chair, President and CEOOpen-market sale−13,100$132.44318,451Form 4
21 August 2026Graziosi David S.Chair, President and CEOOpen-market sale−9,050$133.21309,401Form 4
21 August 2026Graziosi David S.Chair, President and CEOOpen-market sale−4,558$134.05304,843Form 4
11 August 2026Scroggins Eric C.CLO & Asst. SecretaryOpen-market sale−1,050$125.0016,604Form 4
10 August 2026Bohley G FrederickSee RemarksOption exercise+3,961$37.11116,847Form 4
10 August 2026Bohley G FrederickSee RemarksOpen-market sale−3,961$122.38112,886Form 4
4 June 2026Bohley G FrederickSee RemarksOption exercise+533—113,118Form 4
4 June 2026Bohley G FrederickSee RemarksOption exercise+10—113,128Form 4
4 June 2026Bohley G FrederickSee RemarksShares withheld for tax−242$118.38112,886Form 4
8 May 2026Mell Scott ACFO & TreasurerOpen-market sale−933$125.001,053Form 4
8 May 2026Mell Scott ACFO & TreasurerOption exercise+1,337$89.412,390Form 4
8 May 2026Mell Scott ACFO & TreasurerOpen-market sale−1,337$125.001,053Form 4
6 May 2026Perna GustaveDirectorOption exercise+1,586—9,633Form 4
6 May 2026Christman Philip JDirectorGrant or award+92—8,982Form 4
6 May 2026Christman Philip JDirectorOption exercise+1,586—10,568Form 4
6 May 2026Shivram KrishnaDirectorOption exercise+1,586—9,633Form 4
6 May 2026Ostojic SashaDirectorOption exercise+1,586—10,560Form 4
6 May 2026Barbour D. ScottDirectorGrant or award+92—11,695Form 4
6 May 2026Barbour D. ScottDirectorOption exercise+1,586—13,281Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Allison Transmission page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.