Joel Reiss sold $5.0M of TDG
Co-Chief Operating Officer at TransDigm Group INC. 3,900 shares at an average of $1,290.52, traded Dec 15, 2025, filed Dec 16, 2025.
Score components
- +20RoleCOO
- +25Trade size$5.0M at market
- +20Share of holdings soldSold 52% of holdings
- +15Cluster4 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 +12.8%, 3m -3.0%, 6m +2.4%.
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 0001193125-25-320860, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 15, 2025 | MOption exercise Common Stock10b5-1 | +3,900 | $284.97 | $1.1M | 7,500 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -80 | $1,282.73 | $103k | 7,420 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -280 | $1,283.70 | $359k | 7,140 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -220 | $1,284.78 | $283k | 6,920 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -220 | $1,285.64 | $283k | 6,700 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -262 | $1,286.70 | $337k | 6,438 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -336 | $1,287.69 | $433k | 6,102 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -536 | $1,288.54 | $691k | 5,566 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -420 | $1,289.81 | $542k | 5,146 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -220 | $1,290.68 | $284k | 4,926 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -418 | $1,291.68 | $540k | 4,508 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -279 | $1,292.66 | $361k | 4,229 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -61 | $1,293.76 | $79k | 4,168 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -50 | $1,294.90 | $65k | 4,118 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -58 | $1,296.10 | $75k | 4,060 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -32 | $1,297.32 | $42k | 4,028 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -44 | $1,298.11 | $57k | 3,984 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -12 | $1,299.04 | $16k | 3,972 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -25 | $1,300.44 | $33k | 3,947 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -14 | $1,301.78 | $18k | 3,933 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -45 | $1,303.15 | $59k | 3,888 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -60 | $1,304.90 | $78k | 3,828 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -118 | $1,305.98 | $154k | 3,710 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -20 | $1,306.64 | $26k | 3,690 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -40 | $1,307.95 | $52k | 3,650 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -20 | $1,309.34 | $26k | 3,630 | Dec 16, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -30 | $1,311.25 | $39k | 3,600 | Dec 16, 2025 |
| Dec 15, 2025 | MOption exercise Stock Optionderivative10b5-1 | -3,900 | $0.00 | $0 | 39,200 | Dec 16, 2025 |
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.