Insider activity at Allison Transmission Holdings Inc has been all selling for a year now: about $6 million from five sellers, and zero buyers in open-market trades.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
4 quarters in a row of net selling by insiders. Insiders bought in 1 of the last 7 full quarters. 569 investment managers listed ALSN in their latest 13F filings (Q2 2026); more funds sold than bought.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | Graziosi David S. | CEO | Sell | 9,050 | $133.21 | $1.2M | SEC |
| Aug 25, 2026 | Graziosi David S. | CEO | Sell | 13,100 | $132.44 | $1.7M | SEC |
| Aug 25, 2026 | Graziosi David S. | CEO | Sell | 4,558 | $134.05 | $611K | SEC |
| Aug 13, 2026 | Scroggins Eric C. | Executive Officer | Sell | 1,050 | $125.00 | $131K | SEC |
| Aug 11, 2026 | Bohley G Frederick | Officer | Sell | 3,961 | $122.38 | $485K | SEC |
| May 11, 2026 | Mell Scott A | CFO | Sell | 1,337 | $125.00 | $167K | SEC |
| May 11, 2026 | Mell Scott A | CFO | Sell | 933 | $125.00 | $117K | SEC |
| Mar 10, 2026 | Scroggins Eric C. | Executive Officer | Sell | 1,313 | $114.40 | $150K | SEC |
| Feb 17, 2026 | Bohley G Frederick | COO | Sell | 4,712 | $117.02 | $551K | SEC |
| Feb 17, 2026 | Bohley G Frederick | COO | Sell | 4,508 | $116.00 | $523K | SEC |
| Feb 17, 2026 | Bohley G Frederick | COO | Sell | 1,128 | $115.41 | $130K | SEC |
| Jan 2, 2026 | Coll John | Executive Officer | Sell | 1,791 | $98.79 | $177K | SEC |
| Oct 1, 2025 | Coll John | Executive Officer | Sell | 1,788 | $84.32 | $151K | SEC |
| Aug 25, 2025 | Bohley G Frederick | COO | Buy | 3,000 | $88.50 | $266K | SEC |
| Aug 15, 2025 | Bohley G Frederick | COO | Buy | 3,000 | $89.50 | $268K | SEC |
In the last 12 months Allison Transmission Holdings Inc insiders made open-market purchases worth about $0 and sales worth about $6 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in ALSN was filed on 2026-08-25.
569 investment managers reported holding ALSN in SEC Form 13F filings for Q2 2026.
No congressional trades in ALSN were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).