AWM Investment Company, Inc. sold $284k of MASS
owner at 908 Devices Inc.. 25,000 shares at an average of $11.36, traded Sep 23, 2026, filed Sep 25, 2026.
Score components
- +12Role10% owner
- +14Trade size$284k at market
- 0Share of holdings soldSold 0.5% of holdings
- +15Cluster4 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 0001535264-26-000053, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | SOpen-market sale Common Stockindirect: By Limited Partnershp | -1,000 | $11.25 | $11k | 4,755,773 | 18 d ago |
| Sep 24, 2026 | SOpen-market sale Common Stockindirect: By Limited Partnership | -24,000 | $11.36 | $273k | 4,754,773 | 18 d ago |
Related signals
Other insiders at 908 Devices Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 10Weak | 908 Devices Inc. | Christopher D. Brown Chief Product Officer | $357k 30,000 shares | -4% | |
| 25Weak | 908 Devices Inc. | Joseph H. Griffith IV Chief Financial Officer | $65k 5,000 shares | -4% | |
| 39Weak | 908 Devices Inc. | AWM Investment Company, Inc. owner | $207k 18,000 shares | -0% | |
| 19Weak | 908 Devices Inc. | John Kenneweg SVP, Sales & Product Marketing | $280k 27,656 shares | -47% | |
| 17Weak | 908 Devices Inc. | Christopher D. Brown Chief Product Officer | $317k 30,000 shares | -4% | |
| 25Weak | 908 Devices Inc. | Kevin J. Knopp President and CEO | $25k 2,798 shares | -0% | |
| 39Weak | 908 Devices Inc. | Kevin J. Knopp President and CEO | $551k 60,345 shares | -8% | |
| 19Weak | 908 Devices Inc. | Christopher D. Brown Chief Product Officer | $89k 9,900 shares | -1% | |
| 35Weak | 908 Devices Inc. | AWM Investment Company, Inc. owner | $69k 7,718 shares | -0% | |
| 10Weak | 908 Devices Inc. | Christopher D. Brown Chief Product Officer | $900 100 shares | -0% |
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.