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.
Timeline: news and trades
Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.
- Oct 15, 2026Insider saleCOO Joel Reiss sold $4.6 million under a 10b5-1 plan
- Sep 29, 2026NewsCompany reported: Signed a material agreement
- Sep 15, 2026Insider saleCOO Joel Reiss sold $4.3 million under a 10b5-1 plan
- Sep 15, 2026Planned saleJOEL REISS (officer) filed notice to sell about $8.9 million around Sep 15, 2026
- Aug 18, 2026Insider saleDirector W. Nicholas Howley sold $12.5 million under a 10b5-1 plan
- Aug 17, 2026Insider saleCOO Joel Reiss sold $4.8 million under a 10b5-1 plan
- Jun 30, 2026FundBridgewater Associates cut 20% in Q2 2026 (13F filed Aug 14, 2026)
- Jun 30, 2026FundThird Point added 216% in Q2 2026 (13F filed Aug 14, 2026)
- Jun 30, 2026FundLone Pine Capital cut 20% in Q2 2026 (13F filed Aug 14, 2026)
- Jun 30, 2026FundRenaissance Technologies added 30% in Q2 2026 (13F filed Aug 13, 2026)
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 |
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 |
Buybacks and executive pay
TransDigm Group INC spent $500 million buying back its own shares in 2025.
From the company's XBRL data filed with the SEC. "Actually paid" is the SEC's pay-versus-performance measure, which counts changes in the value of stock awards. "Value of $100 invested" is the company's cumulative shareholder return as reported, usually measured from five years earlier. See all buybacks and CEO pay across companies.
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% |
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 →