Kevin J. Knopp sold $37k of MASS
President and CEO at 908 Devices Inc.. 16,001 shares at an average of $2.32, traded Feb 3, 2025, filed Feb 4, 2025.
Score components
- +25RoleCEO
- +6Trade size$37k at market
- 0Share of holdings soldSold 2.3% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
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 0001562180-25-000892, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Feb 1, 2025 | MOption exercise Common Stock | +11,254 | - | - | 678,279 | Feb 4, 2025 |
| Feb 1, 2025 | MOption exercise Common Stock | +13,448 | - | - | 691,727 | Feb 4, 2025 |
| Feb 1, 2025 | MOption exercise Common Stock | +17,007 | - | - | 708,734 | Feb 4, 2025 |
| Feb 3, 2025 | SOpen-market sale Common Stock | -4,318 | $2.33 | $10k | 704,416 | Feb 4, 2025 |
| Feb 3, 2025 | SOpen-market sale Common Stock | -5,159 | $2.31 | $12k | 699,257 | Feb 4, 2025 |
| Feb 3, 2025 | SOpen-market sale Common Stock | -6,524 | $2.32 | $15k | 692,733 | Feb 4, 2025 |
| Feb 1, 2025 | MOption exercise Restricted Stock Unitsderivative | -11,254 | $0.00 | $0 | 11,255 | Feb 4, 2025 |
| Feb 1, 2025 | MOption exercise Restricted Stock Unitsderivative | -13,448 | $0.00 | $0 | 26,897 | Feb 4, 2025 |
| Feb 1, 2025 | MOption exercise Restricted Stock Unitsderivative | -17,007 | $0.00 | $0 | 51,021 | Feb 4, 2025 |
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% | |
| 41Moderate | 908 Devices Inc. | AWM Investment Company, Inc. owner | $284k 25,000 shares | -1% | |
| 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% | |
| 8Weak | 908 Devices Inc. | Joseph H. Griffith IV Chief Financial Officer | $45k 5,000 shares | -5% | |
| 8Weak | 908 Devices Inc. | Joseph H. Griffith IV Chief Financial Officer | $35k 5,000 shares | -5% | |
| 35Weak | 908 Devices Inc. | Michael S. Turner Chief Legal & Admin Officer | $185k 24,603 shares | -100% | |
| 17Weak | 908 Devices Inc. | Joseph H. Griffith IV Chief Financial Officer | $49k 6,940 shares | -6% |
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.