908 Devices Inc.
MASS
34 insider filings · Latest: Jun 26, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| May 8, 2026 | May 8 8:40 PM | AWM Investment Company, Inc.10% Owner | Sale | 3,025 | $8.20 | $24.8K | 5,121,715(I) | View → |
| May 7, 2026 | May 8 8:40 PM | AWM Investment Company, Inc.10% Owner | Sale | 12,819 | $8.20 | $105.2K | 5,124,740(I) | View → |
| May 6, 2026 | May 8 8:40 PM | AWM Investment Company, Inc.10% Owner | Sale | 62,365 | $8.05 | $502.2K | 5,137,559(I) | View → |
| May 8, 2026 | May 8 8:35 PM | JOHN WESLEY KENNEWEG | Proposed Sale | 18,255 | $8.11 | $148.1K | — | View → |
| May 6, 2026 | May 7 8:30 PM | Christopher D. BrownDirector | Sale | 20,000 | $7.23 | $144.6K | 925,559(D) | View → |
| May 1, 2026 | May 4 8:30 PM | John KennewegSVP, Sales & Product Marketing | Sale | 7,787 | $6.83 | $53.2K | 76,039(D) | View → |
| Apr 10, 2026 | Apr 14 8:00 PM | Kevin J. MccallionSVP, Products and Production | Sale | 2,693 | $7.01 | $18.9K | 44,925(D) | View → |
| Apr 9, 2026 | Apr 10 11:31 PM | Kevin J. MccallionSVP, Products and Production | Sale | 5,420 | $7.03 | $38.1K | 44,925(D) | View → |
| Apr 8, 2026 | Apr 10 11:31 PM | Kevin J. MccallionSVP, Products and Production | Sale | 18,580 | $7.05 | $131.0K | 44,925(D) | View → |
| Apr 10, 2026 | Apr 10 10:37 PM | Christopher D. BrownDirector | Sale | 17,578 | $7.07 | $124.3K | 945,559(D) | View → |
| 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 → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 25, 2026 | Jun 25 8:15 PM | Michele M. LeonhartDirector | Option Exercise | 6,486 | — | 6,485(D) | View → |
| Jun 11, 2026 | Jun 12 8:52 PM | Brandi C VannDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 11, 2026 | Jun 12 8:51 PM | Michele M. LeonhartDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 10, 2026 | Jun 12 8:51 PM | Michele M. LeonhartDirector | Option Exercise | 14,083 | — | 0(D) | View → |
| Jun 11, 2026 | Jun 12 8:49 PM | Kevin E HrusovskyDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 10, 2026 | Jun 12 8:49 PM | Kevin E HrusovskyDirector | Option Exercise | 14,083 | — | 0(D) | View → |
| Jun 11, 2026 | Jun 12 8:48 PM | Anthony HuntDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 10, 2026 | Jun 12 8:48 PM | Anthony HuntDirector | Option Exercise | 14,083 | — | 0(D) | View → |
| Jun 11, 2026 | Jun 12 8:47 PM | Fenel M EloiDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 10, 2026 | Jun 12 8:47 PM | Fenel M EloiDirector | Option Exercise | 14,083 | — | 0(D) | View → |
| Jun 11, 2026 | Jun 12 8:46 PM | Keith CrandellDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 10, 2026 | Jun 12 8:46 PM | Keith CrandellDirector | Option Exercise | 14,083 | — | 0(D) | View → |
| Jun 11, 2026 | Jun 12 8:45 PM | Mark SpotoDirector | Grant/Award | 19,865 | $8.22 | 6,209(D) | View → |
| Jun 10, 2026 | Jun 12 8:45 PM | Mark SpotoDirector | Option Exercise | 14,083 | — | 0(D) | View → |
| May 1, 2026 | May 4 8:30 PM | John KennewegSVP, Sales & Product Marketing | Option Exercise | 26,042 | — | 0(D) | View → |
| 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 → |
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