908 Devices Inc.
Institutional investors holding MASS
| Investor | Weight | Quarter |
|---|---|---|
| First Eagle Investment Management | 0.01% | 2026Q1 |
Congressional data coming soon
30
Total trades
$4.0M
Volume
3
Buys
23
Sells
Last trade: Jun 4, 2026
| Date | Insider | Type | Value |
|---|---|---|---|
| Jun 4, 2026 | Christopher D. Brown | Sell | $900 |
| Jun 3, 2026 | Christopher D. Brown | Sell | $175K |
Congressional trade data is being sourced and will appear here shortly.
| Jun 2, 2026 |
| Christopher D. Brown |
| Sell |
| $22K |
| Jun 2, 2026 | Christopher D. Brown | Sell | $357K |
| May 28, 2026 | Christopher D. Brown | Sell | $63K |
| May 28, 2026 | Christopher D. Brown | Sell | $270K |
| May 27, 2026 | Christopher D. Brown | Sell | $12K |
| May 27, 2026 | Christopher D. Brown | Sell | $124K |
| May 27, 2026 | Christopher D. Brown | Sell | $1.5M |
| May 11, 2026 | Christopher D. Brown | Sell | $41K |
| May 8, 2026 | Christopher D. Brown | Sell | $148K |
| May 6, 2026 | Christopher D. Brown | Sell | $145K |
| May 6, 2026 | Christopher D. Brown | Sell | $40K |
| May 6, 2026 | Christopher D. Brown | Sell | $462K |
| May 6, 2026 | Christopher D. Brown | Sell | $105K |
| May 6, 2026 | Christopher D. Brown | Sell | $25K |
| May 1, 2026 | Christopher D. Brown | Sell | $53K |
| May 1, 2026 | Christopher D. Brown | Option | – |
| Apr 28, 2026 | Christopher D. Brown | Buy | – |