MASS
908 Devices Inc.
908 Devices Inc. (MASS) has 12 SEC Form 4 filings (23 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Jul 7, 2026.
The most active filer is President and CEO Knopp Kevin J. with 6 filings. Insiders have net sold $1.3M over the trailing 6 months.
- Industry:Medical - Specialties
- CEO:Kevin J. Knopp
- Employees:172
- HQ:Burlington, MA, US
- IPO:2020-12-18
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.3M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Market Cap
$304.4M
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| President and CEO | Sale | 222 | $2K | Jul 7 | SEC ↗ | |
| Director | Sale | 2,200 | $20K | Jul 7 | SEC ↗ | |
| Director | Sale | 20,000 | $177K | Jul 2 | SEC ↗ | |
| President and CEO | Sale | 2,798 | $25K | Jun 30 | SEC ↗ | |
Knopp Kevin J.First in 5 months | President and CEO | Sale | 3,422 | $31K | Jun 25 | SEC ↗ |
Knopp Kevin J.First in 5 months | President and CEO | Sale | 40,535 | $370K | Jun 25 | SEC ↗ |
Knopp Kevin J.First in 5 months | President and CEO | Sale | 16,388 | $149K | Jun 25 | SEC ↗ |
| Director | Sale | 9,900 | $89K | Jun 25 | SEC ↗ | |
| 10% Owner | Sale | 4,668 | $42K | Jun 24 | SEC ↗ | |
| 10% Owner | Sale | 3,050 | $27K | Jun 24 | SEC ↗ | |
Brown Christopher D.First filing | Director | Sale | 100 | $900 | Jun 5 | SEC ↗ |
AWM Investment Company, Inc.First filing | 10% Owner | Sale | 5,000 | $41K | May 13 | SEC ↗ |
Griffith Joseph H. IVFirst filing | Chief Financial Officer | Sale | 23,175 | $143K | Feb 3 | SEC ↗ |
Knopp Kevin J.First filing | President and CEO | Sale | 34,764 | $215K | Feb 3 | SEC ↗ |
Related companies
908 Devices Inc. is in the Manufacturing sector.