Insiders / Brown Christopher D.
Brown Christopher D.
CIK 1836988personinsider
Companies
1
First seen
Feb 3, 2026
Last activity
Feb 3, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| 908 Devices Inc. ยท MASS | 985,559 | โ |
All securities held
2 positions ยท latest reported per filing
| Company | Security | Shares |
|---|---|---|
| 908 Devices Inc. | Common Stock | 985,559 |
| 908 Devices Inc. | Restricted Stock UnitsDerivative | 21,982 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares ฮ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | โ | -11K -33.34% | 21,982 0.05% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | โ | -7K -50.00% | 7,418 0.02% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | โ | -5K -100.00% | 0 0.00% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | โ | +11K +1.13% | 985,559 2.38% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | โ | +7K +0.77% | 974,567 2.36% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | โ | +5K +0.52% | 967,149 2.34% of shares | low |