Matthew Tappin sold $170k of STEM
President, Software Products at STEM, INC.. 9,584 shares at an average of $17.70, traded Nov 11, 2025, filed Nov 24, 2025.
Score components
- +20RolePresident
- +11Trade size$170k at market
- +20Share of holdings soldSold 84% of holdings
- +8Cluster2 insiders selling within 14 days
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 0001986259-25-000007, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 11, 2025 | SOpen-market sale Common Stock, Par Value $0.0001 Per Share | -9,584 | $17.70 | $170k | 1,872 | Nov 24, 2025 |
Related signals
Other insiders at STEM, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 5Weak | STEMsell STEM, INC. | Michael James Carlson President, Managed Services | $682 146 shares | -1% | |
| 20Weak | STEM, INC. | Matthew Tappin President, Software Products | $4,354 402 shares | -12% | |
| 20Weak | STEM, INC. | Michael James Carlson President, Managed Services | $23k 2,079 shares | -10% | |
| 15Weak | STEM, INC. | Saul R. Laureles Chief Legal Officer | $10k 942 shares | -3% | |
| 42Moderate | STEM, INC. | Arun Narayanan Chief Executive Officer | $57k 5,145 shares | -28% | |
| 25Weak | STEM, INC. | Matthew Tappin President, Software Products | $7,284 655 shares | -17% | |
| 30Weak | STEM, INC. | Saul R. Laureles Chief Legal Officer | $2,824 292 shares | -1% | |
| 40Moderate | STEM, INC. | Matthew Tappin President, Software Products | $4,751 485 shares | -17% | |
| 33Weak | STEM, INC. | Matthew Tappin President, Software Products | $4,172 366 shares | -14% | |
| 50Moderate | STEM, INC. | Rahul Shukla Chief Accounting Officer | $60k 3,674 shares | -100% |
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.