908 Devices Inc.
MASS
51 insider filings · Latest: Oct 7, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Apr 9, 2026 | Apr 10 10:37 PM | Christopher D. BrownDirector | Sale | 7,392 | $7.04 | $52.0K | 963,137(D) | View → |
| Apr 8, 2026 | Apr 10 10:37 PM | Christopher D. BrownDirector | Sale | 15,030 | $7.05 | $106.0K | 970,529(D) | View → |
| Apr 8, 2026 | Apr 8 8:31 PM | KEVIN MCCALLION | Proposed Sale | 27,000 | $6.76 | $182.5K | — | View → |
| Apr 8, 2026 | Apr 8 8:31 PM | CHRISTOPHER BROWN | Proposed Sale | 100,000 | $6.76 | $676.0K | — | View → |
| Mar 2, 2026 | Mar 5 9:50 PM | Kevin J. MccallionSVP, Products and Production | Sale | 7 | $7.00 | $49 | 44,925(D) | View → |
| Mar 2, 2026 | Mar 4 9:07 PM | Kevin J. MccallionSVP, Products and Production | Sale | 7 | $7.00 | $49 | 44,918(D) | View → |
| Feb 2, 2026 | Feb 4 1:45 AM | Kevin J. KnoppDirector, President and CEO | Sale | 34,764 | $6.18 | $214.8K | 795,968(D) | View → |
| Feb 2, 2026 | Feb 4 1:45 AM | Iv H. Griffith JosephChief Financial Officer | Sale | 23,175 | $6.18 | $143.2K | 139,896(D) | View → |
| Oct 2, 2025 | Oct 2 8:24 PM | JOSEPH H GRIFFITH IV | Proposed Sale | 5,000 | $8.99 | $45.0K | — | View → |
| Sep 19, 2025 | Sep 19 8:26 PM | JOSEPH H GRIFFITH IV | Proposed Sale | 5,000 | $6.82 | $34.1K | — | View → |
| Jun 16, 2025 | Jun 16 8:24 PM | MICHAEL S TURNER | Proposed Sale | 24,603 | $7.31 | $179.8K | — | View → |
| Jun 4, 2025 | Jun 4 8:26 PM | JOSEPH H GRIFFITH IV | Proposed Sale | 6,940 | $6.62 | $45.9K | — | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | Apr 29 8:05 PM | John KennewegSVP, Sales & Product Marketing | Grant/Award | 26,042 | — | 26,042(D) | View → |
| Apr 21, 2026 | Apr 22 12:08 PM | Kolawole A. OtitojuChief Bus. & Strategy Officer | Grant/Award | 256,982 | $7.26 | 110,193(D) | View → |
| Apr 10, 2026 | Apr 14 8:00 PM | Kevin J. MccallionSVP, Products and Production | Option Exercise | 2,693 | $1.05 | 0(D) | View → |
| Apr 9, 2026 | Apr 10 11:31 PM | Kevin J. MccallionSVP, Products and Production | Option Exercise | 5,420 | $1.05 | 2,686(D) | View → |
| Apr 8, 2026 | Apr 10 11:31 PM | Kevin J. MccallionSVP, Products and Production | Option Exercise | 18,580 | $1.05 | 8,106(D) | View → |
| Mar 2, 2026 | Mar 5 9:50 PM | Kevin J. MccallionSVP, Products and Production | Option Exercise | 7 | $1.05 | 26,686(D) | View → |
| Feb 1, 2026 | Feb 4 1:45 AM | Christopher D. BrownDirector | Option Exercise | 23,437 | — | 21,982(D) | View → |
| Feb 2, 2026 | Feb 4 1:45 AM | Kevin J. KnoppDirector, President and CEO | Grant/Award | 296,021 | $6.19 | 90,043(D) | View → |
| Feb 1, 2026 | Feb 4 1:45 AM | Kevin J. KnoppDirector, President and CEO | Option Exercise | 107,999 | — | 132,576(D) | View → |
| Feb 2, 2026 | Feb 4 1:45 AM | Iv H. Griffith JosephChief Financial Officer | Grant/Award | 174,131 | $6.19 | 52,967(D) | View → |
| Feb 1, 2026 | Feb 4 1:45 AM | Iv H. Griffith JosephChief Financial Officer | Option Exercise | 70,141 | — | 86,945(D) | View → |
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