Joel Reiss sold $4.9M of TDG
Co-Chief Operating Officer at TransDigm Group INC. 3,900 shares at an average of $1,243.70, traded Mar 16, 2026, filed Mar 17, 2026.
Score components
- +20RoleCOO
- +25Trade size$4.9M at market
- +20Share of holdings soldSold 52% of holdings
- +8Cluster2 insiders 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.
This signal so far: 1m -0.3%, 3m +5.6%, 6m -12.0%.
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 0001193125-26-110760, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 16, 2026 | MOption exercise Common Stock10b5-1 | +3,900 | $284.97 | $1.1M | 7,500 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -20 | $1,222.87 | $24k | 7,480 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -70 | $1,231.69 | $86k | 7,410 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -60 | $1,232.57 | $74k | 7,350 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -50 | $1,233.62 | $62k | 7,300 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -40 | $1,235.13 | $49k | 7,260 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -56 | $1,236.31 | $69k | 7,204 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -134 | $1,237.75 | $166k | 7,070 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -160 | $1,238.57 | $198k | 6,910 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -260 | $1,239.94 | $322k | 6,650 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -420 | $1,240.92 | $521k | 6,230 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -320 | $1,241.99 | $397k | 5,910 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -350 | $1,243.00 | $435k | 5,560 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -120 | $1,244.09 | $149k | 5,440 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -90 | $1,245.10 | $112k | 5,350 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -227 | $1,246.21 | $283k | 5,123 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -531 | $1,247.08 | $662k | 4,592 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -490 | $1,248.24 | $612k | 4,102 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -315 | $1,249.29 | $394k | 3,787 | Mar 17, 2026 |
| Mar 16, 2026 | SOpen-market sale Common Stock10b5-1 | -187 | $1,250.25 | $234k | 3,600 | Mar 17, 2026 |
| Mar 16, 2026 | MOption exercise Stock Optionderivative10b5-1 | -3,900 | $0.00 | $0 | 27,500 | Mar 17, 2026 |
Related signals
Other insiders at TransDigm Group INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $4.3M 3,900 shares | -52% | |
| 23Weak | TransDigm Group INC | W Nicholas Howley director | $13M 10,132 shares | -32% | |
| 38Weak | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $4.8M 3,900 shares | -52% | |
| 23Weak | TransDigm Group INC | W Nicholas Howley director | $12M 10,132 shares | -32% | |
| 28Weak | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $4.2M 3,486 shares | -46% | |
| 31Weak | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $510k 414 shares | -10% | |
| 43Moderate | TransDigm Group INC | W Nicholas Howley director | $13M 10,132 shares | -32% | |
| 43Moderate | TransDigm Group INC | W Nicholas Howley director | $13M 10,132 shares | -32% | |
| 43Moderate | TransDigm Group INC | W Nicholas Howley director | $13M 10,132 shares | -32% | |
| 58Moderate | TransDigm Group INC | Joel Reiss Co-Chief Operating Officer | $5.0M 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.