ALSN
Allison Transmission Holdings Inc · Manufacturing · Market cap $10.1B
Insiders sold $4.2M net in the last 90 days ·3 sellers, 0 buyers· latest Form 4 filed Aug 26, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$6.1M
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Aug 26, 2026
Graziosi David S.
Allison Transmission Holdings Inc (ALSN) has 28 SEC Form 4 filings (66 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Aug 26, 2026.
Inside the rolling window, 5 insiders at Allison Transmission Holdings Inc reported no open-market purchases and 8 open-market sales totaling $6.1M. Insiders have net sold $4.6M over the trailing 6 months. The most recent open-market filing is a sale of 26,708 shares by Chair, President and CEO Graziosi David S., dated Aug 21, 2026, worth $3.6M.
- Industry:Auto - Parts
- CEO:David S. Graziosi
- Employees:4,000
- HQ:Indianapolis, IN, US
- IPO:2012-03-15
| Source | |||||||
|---|---|---|---|---|---|---|---|
Graziosi David S.First filing | Chair, President and CEO | Sale | 26,708 | $3.6M | Aug 26 | -5.0% | SEC ↗ |
Scroggins Eric C.First in 5 months | CLO & Asst. Secretary | Sale | 1,050 | $131K | Aug 13 | -0.4% | SEC ↗ |
Bohley G FrederickFirst in 6 months | See Remarks | Sale | 3,961 | $485K | Aug 11 | -2.1% | SEC ↗ |
Mell Scott AFirst filing | CFO & Treasurer | Sale | 2,270 | $284K | May 11 | -1.1% | SEC ↗ |
Scroggins Eric C.First filing | CLO & Asst. Secretary | Sale | 1,313 | $150K | Mar 10 | +6.8% | SEC ↗ |
Bohley G FrederickFirst filing | Allison COO,Pres.&BU Leader AT | Sale | 10,348 | $1.2M | Feb 17 | +4.2% | SEC ↗ |
Coll JohnFirst in 3 months | SVP, Global MSS | Sale | 1,791 | $177K | Jan 2 | — | SEC ↗ |
Coll JohnFirst filing | SVP, Global MSS | Sale | 1,788 | $151K | Oct 1 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does ALSN have?
Allison Transmission Holdings Inc (ALSN) has 28 SEC Form 4 filings (66 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Aug 26, 2026.
When was the most recent SEC Form 4 filing for ALSN?
The most recent Form 4 filing for ALSN on Tracefour is dated Aug 26, 2026.
What is the net insider flow at ALSN over the last 6 months?
Over the trailing 180 days, insiders at ALSN have net sold $4.6M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ALSN in the current window?
Inside the rolling window, insiders at ALSN bought $0 and sold $6.1M based on SEC Form 4 filings.
Can I get alerts for ALSN insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Allison Transmission Holdings Inc (ALSN). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Allison Transmission Holdings Inc is in the Manufacturing sector.