Senior insider sale
Chief Technology Officer at 908 DEVICES INC. — senior position signals high conviction
$1.32M
160K shares
What this filing means
BROWN CHRISTOPHER D. plans to sell 160K shares of 908 DEVICES INC. valued at approximately $1.32M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 6/3/2026ACC: 0001950047-26-005585
Officer· Chief Technology Officer
Since Dec 2020
160K
Shares to sell
$1.32M
Approx. market value
70K
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Founders Shares
N/A
2/10/2012
70KTotal acquired70K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/10/2012 | Founders Shares N/A | 70K | — |
| Total | 70K | ||
Planned & Completed Dispositions6
Completed
—Completed
Units to sell
30K
Market value
$270.0K
5/28/2026
—Completed
Units to sell
20K
Market value
$144.7K
5/6/2026
—Completed
Units to sell
17.58K
Market value
$124.2K
4/10/2026
—Completed
Units to sell
7.39K
Market value
$52.0K
4/9/2026
—Completed
Units to sell
15.03K
Market value
$106.0K
4/8/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
70K
Market value
$619.5K
6/3/2026
Total
Units
160K
Value
$1.32M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/28/2026 | 30K | $270.0K | — | Completed |
5/6/2026 | 20K | $144.7K | — | Completed |
4/10/2026 | 17.58K | $124.2K | — | Completed |
4/9/2026 | 7.39K | $52.0K | — | Completed |
4/8/2026 | 15.03K | $106.0K | — | Completed |
| Planned — Approximate Date | ||||
6/3/2026 | 70K | $619.5K | NASDAQ | Planned |
| Total | 160K | $1.32M | ||