Insiders / McCallion Kevin J.
McCallion Kevin J.
CIK 2115341personinsider
Companies
1
First seen
Mar 4, 2026
Last activity
Mar 5, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| 908 Devices Inc. · MASS | 44,925 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| 908 Devices Inc. | Common Stock | 44,925 |
| 908 Devices Inc. | Stock Option (right to buy)Derivative | 26,686 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 2, 2026 | Sell | MASS 908 Devices Inc. Common Stock | $49 | -7 -0.02% | 44,918 0.11% of shares | low |
| Mar 2, 2026 | Sell | MASS 908 Devices Inc. Common Stock | $49 | -7 -0.02% | 44,925 0.11% of shares | low |
| Mar 2, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | $7 | +7 +0.02% | 44,932 0.11% of shares | low |
| Mar 2, 2026 | Exercise | MASS 908 Devices Inc. Stock Option (right to buy) | — | -7 -0.03% | 26,686 0.06% of shares | low |