Joel Reiss sold $4.3M of TDG
Co-Chief Operating Officer at TransDigm Group INC. 3,900 shares at an average of $1,094.58, traded Sep 15, 2026, filed Sep 16, 2026.
Score components
- +20RoleCOO
- +25Trade size$4.3M at market
- +20Share of holdings soldSold 52% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001656109-26-000008, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | MOption exercise Common Stock10b5-1 | +3,900 | $284.97 | $1.1M | 7,500 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -310 | $1,082.96 | $336k | 7,190 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -170 | $1,083.67 | $184k | 7,020 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -240 | $1,084.87 | $260k | 6,780 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -110 | $1,086.27 | $119k | 6,670 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -120 | $1,087.49 | $130k | 6,550 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -10 | $1,088.06 | $11k | 6,540 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -70 | $1,090.06 | $76k | 6,470 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -100 | $1,091.00 | $109k | 6,370 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -170 | $1,092.13 | $186k | 6,200 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -282 | $1,093.10 | $308k | 5,918 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -383 | $1,094.06 | $419k | 5,535 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -225 | $1,095.11 | $246k | 5,310 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -196 | $1,096.17 | $215k | 5,114 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -294 | $1,097.26 | $323k | 4,820 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -150 | $1,098.41 | $165k | 4,670 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -90 | $1,099.14 | $99k | 4,580 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -60 | $1,100.41 | $66k | 4,520 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -166 | $1,101.52 | $183k | 4,354 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -274 | $1,102.49 | $302k | 4,080 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -210 | $1,103.44 | $232k | 3,870 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -125 | $1,104.58 | $138k | 3,745 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -5 | $1,105.28 | $5,526 | 3,740 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -40 | $1,106.69 | $44k | 3,700 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -30 | $1,108.34 | $33k | 3,670 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -30 | $1,112.38 | $33k | 3,640 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -20 | $1,113.37 | $22k | 3,620 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stock10b5-1 | -20 | $1,119.00 | $22k | 3,600 | 26 d ago |
| Sep 15, 2026 | MOption exercise Stock Optionderivative10b5-1 | -3,900 | $0.00 | $0 | 4,100 | 26 d ago |
Related signals
Other insiders at TransDigm Group INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 23Weak | TransDigm Group INC | W Nicholas Howley director | $12M 10,132 shares | -32% | |
| 38Weak | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $4.9M 3,900 shares | -52% | |
| 10Weak | TDGbuy TransDigm Group INC | Robert J Small director | $1,285 1 shares | +0% | |
| 23Weak | TransDigm Group INC | W Nicholas Howley director | $13M 10,168 shares | -32% | |
| 38Weak | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $5.0M 3,900 shares | -52% | |
| 65Notable | TDGbuy TransDigm Group INC | Michael Lisman President & CEO | $1.2M 950 shares | +41% | |
| 14Weak | TransDigm Group INC | Patrick Joseph Murphy Co-Chief Operating Officer | $415k 290 shares | -22% | |
| 33Weak | TransDigm Group INC | Kevin M Stein President & CEO | $53M 36,925 shares | -66% | |
| 48Moderate | TransDigm Group INC | Kevin M Stein President & CEO | $16M 11,075 shares | -58% | |
| 45Moderate | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $5.6M 3,900 shares | -52% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.