TransDigm Group INC insider trading
TDG$1,092.66+2.28 (+0.21%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-15.4%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Unlock quarterly net flowKey players
- RJRobert J. Small0.9049%
- SPSean P. Hennessy0.0612%
- DBDavid Barr0.0583%
- HWHowley W. Nicholas0.0544%
- MGMichael Graff0.025%
- KMKevin M. Stein0.0148%
- MLMichael Lisman0.0094%
- SWSarah Wynne0.0089%
- PPPeter Palmer0.0074%
- JRJoel Reiss0.0065%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| TDG | Robert J. Small | Open market purchase$1.29K | 0.0% | $1,285.00 | $1.29K | Feb 25, 2026 | Feb 27, 2026 |
| TDG | Michael Lisman | Open market purchase$1.22M | +22.3% | $1,284.26 | $1.22M | Feb 6, 2026 | Feb 9, 2026 |
| TDG | Kevin M. Stein | Open market sell$14.4K | -0.1% | $1,440.48 | $14.4K | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$1.04M | -8.1% | $1,439.56 | $1.04M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$389K | -3.0% | $1,438.91 | $389K | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$615K | -4.5% | $1,437.40 | $615K | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$2.15M | -13.5% | $1,436.43 | $2.15M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$1.16M | -6.8% | $1,435.63 | $1.16M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$2.1M | -11.0% | $1,434.63 | $2.1M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$4.43M | -18.8% | $1,433.46 | $4.43M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$1.95M | -7.7% | $1,432.53 | $1.95M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Kevin M. Stein | Open market sell$2.03M | -7.4% | $1,431.46 | $2.03M | Feb 2, 2026 | Feb 3, 2026 |
| TDG | Robert J. Small | Open market sell$20.4M | -3.0% | $1,335.72 | $20.4M | Dec 9, 2025 | Dec 9, 2025 |
| TDG | Robert J. Small | Open market sell$101M | -13.1% | $1,335.72 | $101M | Dec 9, 2025 | Dec 9, 2025 |
| TDG | Michael Lisman | Open market purchase$140K | +1.7% | $1,344.76 | $140K | Nov 14, 2025 | Nov 17, 2025 |
| TDG | Michael Lisman | Open market purchase$516K | +6.7% | $1,342.93 | $516K | Nov 14, 2025 | Nov 17, 2025 |
| TDG | Michael Lisman | Open market purchase$699K | +10.0% | $1,341.49 | $699K | Nov 14, 2025 | Nov 17, 2025 |
| TDG | Michael Lisman | Open market purchase$388K | +5.9% | $1,338.56 | $388K | Nov 14, 2025 | Nov 17, 2025 |
| TDG | Michael Lisman | Open market purchase$73.6K | +1.1% | $1,337.38 | $73.6K | Nov 14, 2025 | Nov 17, 2025 |
| TDG | Michael Lisman | Open market purchase$800K | +14.1% | $1,334.13 | $800K | Nov 14, 2025 | Nov 17, 2025 |