ALSN insider trading — Allison Transmission Holdings Inc
Over the last 90 days, insiders at Allison Transmission Holdings Inc (ALSN) made 0 open-market purchases worth $0 and 3 open-market sales worth $4.17M, making them net sellers by $4.17M. The largest sale was by Graziosi David S. (Chair, President and CEO), who sold 26,708 shares for $3.55M on Aug 21, 2026.
Updated Oct 16, 2026.
Recent ALSN insider transactions
Every Form 4 filed by Allison Transmission Holdings Inc officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | Graziosi David S. | Chair, President and CEO | M · Option exercise | Direct | 26,708 | $38.11 | $1.02M | Form 4 |
| Aug 21, 2026 | Graziosi David S. | Chair, President and CEO | S · Sale | Direct | 26,708 | $132.97 | $3.55M | Form 4 |
| Aug 11, 2026 | Scroggins Eric C. | CLO & Asst. Secretary | S · Sale | Direct | 1,050 | $125.00 | $131K | Form 4 |
| Aug 10, 2026 | Bohley G Frederick | See Remarks | M · Option exercise | Direct | 3,961 | $37.11 | $147K | Form 4 |
| Aug 10, 2026 | Bohley G Frederick | See Remarks | S · Sale | Direct | 3,961 | $122.38 | $485K | Form 4 |
ALSN insider trading FAQ
Are insiders buying ALSN stock?
Not on the open market. In the last 90 days, Allison Transmission Holdings Inc insiders made no open-market purchases, and 3 open-market sales totaling $4.17M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading ALSN?
Recent sellers: Bohley G Frederick, Graziosi David S., Scroggins Eric C..
Where does ALSN insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.