ALSN Insider Trading Activity and SEC Form 4 Filings
ALSN insider trading summary
Over the past 12 months, insiders at Allison Transmission Holdings Inc (ALSN) reported 12 sales worth $6.0M by 5 insiders and no open-market purchases on SEC Form 4. Net insider selling was $6.0M.
Latest ALSN insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Aug 21, 2026 | David S. Graziosi | Chair, President and CEO | Sell | $611K (4,558 @ $134.05) |
| Aug 21, 2026 | David S. Graziosi | Chair, President and CEO | Sell | $1.2M (9,050 @ $133.21) |
| Aug 21, 2026 | David S. Graziosi | Chair, President and CEO | Sell | $1.7M (13,100 @ $132.44) |
| Aug 11, 2026 | Eric C. Scroggins | CLO & Asst. Secretary | Sell | $131K (1,050 @ $125.00) |
| Aug 10, 2026 | G Frederick Bohley | See Remarks | Sell | $485K (3,961 @ $122.38) |
| May 8, 2026 | Scott A Mell | CFO & Treasurer | Sell | $117K (933 @ $125.00) |
| May 8, 2026 | Scott A Mell | CFO & Treasurer | Sell | $167K (1,337 @ $125.00) |
| Mar 9, 2026 | Eric C. Scroggins | CLO & Asst. Secretary | Sell | $150K (1,313 @ $114.40) |
| Feb 13, 2026 | G Frederick Bohley | Allison COO,Pres.&BU Leader AT | Sell | $130K (1,128 @ $115.41) |
| Feb 13, 2026 | G Frederick Bohley | Allison COO,Pres.&BU Leader AT | Sell | $523K (4,508 @ $116.00) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.