MASS
908 Devices Inc.
16 disclosed insider filings · 5 distinct insiders · latest Aug 27, 2026
Total filings
16
5 insiders
Insider buys
0
$0
Insider sells
15
$3.2M
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Aug 27, 2026 | Aug 25, 2026 | Joseph H IV Griffith INSIDER | SELL | 11,459 | $10.95 | $125K | — | EDGAR |
| Aug 24, 2026 | Aug 21, 2026 | Awm Investment Company Inc 10% OWNER | SELL | 41,578 | $10.61 | $441K | — | EDGAR |
| Aug 24, 2026 | Aug 20, 2026 | Awm Investment Company Inc 10% OWNER | SELL | 8,422 | $10.52 | $89K | — | EDGAR |
| Aug 17, 2026 | Aug 17, 2026 | Kevin J Knopp INSIDER | SELL | 20,000 | $10.35 | $207K | — | EDGAR |
| Aug 17, 2026 | Aug 13, 2026 | Kevin J Knopp INSIDER | SELL | 7,622 | $10.06 | $77K | — | EDGAR |
| Aug 12, 2026 | Aug 12, 2026 | Kevin J Knopp INSIDER | SELL | 2,747 | $10.07 | $28K | — | EDGAR |
| Aug 12, 2026 | Aug 11, 2026 | Christopher D Brown INSIDER | SELL | 8,358 | $9.23 | $77K | — | EDGAR |
| Aug 12, 2026 | Aug 11, 2026 | Kevin J Knopp INSIDER | SELL | 145,918 | $9.9 | $1.4M | 2 | EDGAR |
| Aug 12, 2026 | Aug 10, 2026 | Christopher D Brown INSIDER | SELL | 9,442 | $9.03 | $85K | — | EDGAR |
| Aug 12, 2026 | Aug 10, 2026 | Kevin J Knopp INSIDER | SELL | 348 | $9.06 | $3K | — | EDGAR |
| Aug 7, 2026 | Aug 5, 2026 | Christopher D Brown INSIDER | SELL | 20,000 | $8.49 | $170K | — | EDGAR |
| Aug 6, 2026 | Aug 4, 2026 | Awm Investment Company Inc 10% OWNER | SELL | 50,000 | $8.36 | $418K | — | EDGAR |
| Aug 3, 2026 | Aug 1, 2026 | Brandi C Vann INSIDER | OTHER | 5,192 | — | — | — | EDGAR |
| Jul 7, 2026 | Jul 2, 2026 | Kevin J Knopp INSIDER | SELL | 222 | $9.07 | $2K | — | EDGAR |
| Jul 7, 2026 | Jul 2, 2026 | Christopher D Brown INSIDER | SELL | 2,200 | $9.02 | $20K | — | EDGAR |