Company profile
Allison Transmission Holdings Inc Insider Trading
ALSNEvery SEC Form 4 insider trading filing for Allison Transmission Holdings Inc (ALSN) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Motor Vehicle Parts & Accessories
- CIK
- 0001411207
- Filings
- 446
- Insiders
- 24
- Last filing
- 2026-08-31
Activity summary
Recent insider activity is bullish. Over the last 30 days, 13 insiders purchased shares. Buying was led by Philip J Christman.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Allison Transmission Holdings Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $30.7M.
90 day insight
Over the last 90 days, Allison Transmission Holdings Inc insiders bought $1.2M (17 transactions) and sold $4.2M (5 transactions).
- Most active insider: David S. Graziosi with 6 transactions totaling $4.6M.
- Largest single sale: $1.7M by David S. Graziosi on Aug 21, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Philip J Christman | ALSN | Award | 3 | — | — |
| Aug 31, 2026 | Sasha Ostojic | ALSN | Award | 3 | — | — |
| Aug 31, 2026 | David C Everitt | ALSN | Award | 64 | — | — |
| Aug 31, 2026 | Krishna Shivram | ALSN | Award | 3 | — | — |
| Aug 31, 2026 | Carolann I Haznedar | ALSN | Award | 52 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Allison Transmission Holdings Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →