StockCIK 1260221
TransDigm Group INC (TDG): Insider Trades and Fund Holdings
In the past 12 months, TransDigm Group INC insiders reported 0 open-market purchases worth $0 and 4 sales worth $26.3M; 4 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$26.3MSold by insiders, 12 months
4Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 16, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Oct 16 | Joel ReissCOO | ▼ SELL10b5-1 | $4.62M |
| Sep 16 | Joel ReissCOO | ▼ SELL10b5-1 | $4.27M |
| Aug 19 | W. Nicholas HowleyDirector | ▼ SELL10b5-1 | $12.5M |
| Aug 18 | Joel ReissCOO | ▼ SELL10b5-1 | $4.83M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Joel Reiss | COO | 0 | $0 | 3 | $13.7M |
| W. Nicholas Howley | Director | 0 | $0 | 1 | $12.5M |
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Tracked funds that report TDG
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Third Point | 79,000 | $105.2M | ▲ +216.0% |
| Lone Pine Capital | 28,532 | $38.0M | ▼ −20.0% |
| Renaissance Technologies | 25,620 | $34.1M | ▲ +29.5% |
| Bridgewater Associates | 1,855 | $2.47M | ▼ −20.1% |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →