MASS
UNKNOWN908 Devices Inc.
CIK: 0001555279
Sell
(50% confidence)
Last activity: Mar 2, 2026
Financial Metrics
As of Dec 31, 2025 (10-K)
Insider Roster (3 total, 3 active)
| Insider | Buys | Sells | Net Value | Holdings |
|---|---|---|---|---|
| Knopp Kevin J. President and CEO | 0 | 1 | -$215K | 795,968 shares $4.92M |
| Griffith Joseph H. IV Chief Financial Officer | 0 | 1 | -$143K | 139,896 shares $865K |
| McCallion Kevin J. SVP, Products and Production | 0 | 2 | -$98 | 44,918 shares $314K |
Recent Transactions
SELL McCallion Kevin J. (SVP, Products and Production)
7 shares @ $7.00
$49
Mar 2, 2026
Conviction: |
View SEC Filing →
SELL McCallion Kevin J. (SVP, Products and Production)
7 shares @ $7.00
$49
Mar 2, 2026
Conviction: |
View SEC Filing →
SELL Knopp Kevin J. (President and CEO)
34,764 shares @ $6.18
$215K
Feb 2, 2026
Conviction: |
View SEC Filing →
SELL Griffith Joseph H. IV (Chief Financial Officer)
23,175 shares @ $6.18
$143K
Feb 2, 2026
Conviction: |
View SEC Filing →
⚠️ Important Disclaimer
• This is AI-generated analysis for educational purposes only, not financial advice.
• Insider trading data is derived from SEC Form 4 filings and may contain errors.
• Always conduct your own research and consult qualified financial advisors before making investment decisions.