Form 4: 908 Devices CEO Sells Shares
Insider Transaction (Form 4)
Kevin J. Knopp, President and CEO and a Director of 908 Devices Inc., sold 149,013 shares of common stock on August 10, 2026.
Summary
- Open-market sale: disposed of 348 Common Stock at $9.06 ($3,153) on August 10, 2026; holds 732,255 after (Direct).
- Open-market sale: disposed of 115,748 Common Stock at $9.83 ($1,137,803) on August 11, 2026; holds 616,507 after (Direct).
- Open-market sale: disposed of 30,170 Common Stock at $10.16 ($306,527) on August 11, 2026; holds 586,337 after (Direct).
- Open-market sale: disposed of 2,747 Common Stock at $10.07 ($27,662) on August 12, 2026; holds 583,590 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $1,475,145 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Kevin J. Knopp — Director, Officer (President and CEO)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-10 | Open-market sale | Common Stock | 348 | $9 | $3.2K | 732,255 |
| 2026-08-11 | Open-market sale | Common Stock | 115,748 | $10 | $1.1M | 616,507 |
| 2026-08-11 | Open-market sale | Common Stock | 30,170 | $10 | $306.5K | 586,337 |
| 2026-08-12 | Open-market sale | Common Stock | 2,747 | $10 | $27.7K | 583,590 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-10 | Open-market sale (348 shares) |
| 2026-08-11 | Open-market sale (115,748 shares) |
| 2026-08-11 | Open-market sale (30,170 shares) |
| 2026-08-12 | Open-market sale (2,747 shares) |
Keywords
insider transaction, Form 4, MASS, 908 Devices Inc., bearish, Kevin J. Knopp
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