| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
President and CEO | President &CEO
1 company
Knopp Kevin J. is a President and CEO at MASS. Recent filings cover 7 purchases and 57 sales. Those positions are worth an estimated $5.8M at current prices.
Our model assigns Knopp Kevin J. a strong insider score of 79/100, based on 36 past trades. Over a 12-month horizon, 86.1% of those trades were profitable, with an average 12-month return of +40.5%.
Knopp Kevin J.'s largest disclosed position is in MASS as President and CEO, worth about $5.8M. The recent filings there lean toward selling, a net 675,081 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | MASS 908 Devices Inc. | President and CEO | Sell10b5-1 | 27,622 | $10.27 | $283,677.32 | -4.7% | - | - | |
| Aug 12, 2026 | MASS 908 Devices Inc. | President and CEO | Sell10b5-1 | 149,013 | $9.90 | $1,475,145.21 | -20.3% | - | - | |
| Jul 2, 2026 | MASS 908 Devices Inc. | President and CEO | Sell10b5-1 | 222 | $9.07 | $2,013.54 | - | +42.0% | - | |
| Jun 26, 2026 | MASS 908 Devices Inc. | President and CEO | Sell10b5-1 | 2,798 | $9.09 | $25,433.82 | -0.4% | +31.2% | - | |
| Jun 25, 2026 | MASS 908 Devices Inc. | President and CEO | Sell10b5-1 | 60,345 | $9.12 | $550,624.02 | -7.6% | +21.8% | - | |
| Feb 2, 2026 | MASS 908 Devices Inc. | President and CEO | Sale+OE | 34,764 | $6.18 | $214,841.52 | -4.2% | +5.8% | - | |
| May 15, 2025 | MASS 908 Devices Inc. | President and CEO | Buy | 15,000 | $4.44 | $66,595.50 | +2.1% | +56.0% | +52.7% | |
| May 14, 2025 | MASS 908 Devices Inc. | President and CEO | Buy | 15,000 | $4.32 | $64,788.00 | +2.2% | +49.8% | +69.0% | |
| Feb 3, 2025 | MASS 908 Devices Inc. | President and CEO | Sale+OE | 16,001 | $2.32 | $37,109.45 | -2.3% | +135.8% | +181.2% | |
| May 13, 2024 | MASS 908 Devices Inc. | President and CEO | Buy | 10,000 | $6.42 | $64,200.00 | +2.0% | -35.2% | -29.1% |