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MASS Sale Disclosure
Brown Christopher D. · SEC Form 4 · Filed Sep 4, 2026
Sale
Calculated transaction value
$317.4K
Brown Christopher D. Director
MASS
908 Devices Inc
MASS
Transaction date
Sep 2, 2026
Public filing date
Sep 4, 2026
Filing lag
Filed 2 days later
MASS daily price context
Close on/before transaction
$10.33
Sep 2, 2026
First close after public filing
$9.81
Sep 8, 2026
30-day return after filing
+30.48%
Through Oct 5, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 30,000 shares @ $10.58
- SEC ownership
- Direct
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001836988-26-000025
Filing cohort
Transactions in this filing
Showing 1 of 1
Trades
1
Issuers
1
Estimated value
$317.4K
Buys / sales
0 / 1
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| 908 Devices Inc. MASS Current | Sale | Sep 2, 2026 | $317.4K |