Allison Transmission Holdings Inc. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Allison Transmission Holdings Inc. filed 12 open-market sales worth $6.0 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Graziosi David S., Chair, President and CEO, sold 13,100 shares at $132.44 on 21 August 2026, filed 25 August 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 21 August 2026 | Graziosi David S. | Chair, President and CEO | Sale | 13,100 | $132.44 | $1.7 million | Form 4 |
| 21 August 2026 | Graziosi David S. | Chair, President and CEO | Sale | 9,050 | $133.21 | $1.2 million | Form 4 |
| 21 August 2026 | Graziosi David S. | Chair, President and CEO | Sale | 4,558 | $134.05 | $610,990 | Form 4 |
| 11 August 2026 | Scroggins Eric C. | CLO & Asst. Secretary | Sale | 1,050 | $125.00 | $131,250 | Form 4 |
| 10 August 2026 | Bohley G Frederick | See Remarks | Sale | 3,961 | $122.38 | $484,748 | Form 4 |
| 8 May 2026 | Mell Scott A | CFO & Treasurer | Sale | 933 | $125.00 | $116,625 | Form 4 |
| 8 May 2026 | Mell Scott A | CFO & Treasurer | Sale | 1,337 | $125.00 | $167,125 | Form 4 |
| 9 March 2026 | Scroggins Eric C. | CLO & Asst. Secretary | Sale | 1,313 | $114.40 | $150,207 | Form 4 |
| 13 February 2026 | Bohley G Frederick | Allison COO,Pres.&BU Leader AT | Sale | 1,128 | $115.41 | $130,186 | Form 4 |
| 13 February 2026 | Bohley G Frederick | Allison COO,Pres.&BU Leader AT | Sale | 4,508 | $116.00 | $522,920 | Form 4 |
| 13 February 2026 | Bohley G Frederick | Allison COO,Pres.&BU Leader AT | Sale | 4,712 | $117.02 | $551,412 | Form 4 |
| 31 December 2025 | Coll John | SVP, Global MSS | Sale | 1,791 | $98.79 | $176,933 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Allison Transmission Holdings Inc.: the company's filing index.
The same record on your computer
GreekSoup is also a free program for your own computer. It reads these same filings for the names you follow, refreshed as they land, with no account. One pasted line installs it.