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MASS Sale Disclosure
Knopp Kevin J. · SEC Form 4 · Filed Aug 17, 2026
Sale
Calculated transaction value
$207K
Knopp Kevin J. President And CEO
MASS
908 Devices Inc
MASS
Transaction date
Aug 17, 2026
Public filing date
Aug 17, 2026
Filing lag
Filed same day
MASS daily price context
Close on/before transaction
$10.19
Aug 17, 2026
First close after public filing
$10.08
Aug 18, 2026
30-day return after filing
-1.59%
Through Sep 16, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 20,000 shares @ $10.35
- SEC ownership
- Direct
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001836523-26-000013
Filing cohort
Transactions in this filing
Showing 2 of 2
Trades
2
Issuers
1
Estimated value
$283.68K
Buys / sales
0 / 2
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| 908 Devices Inc. MASS Current | Sale | Aug 17, 2026 | $207K |
| 908 Devices Inc. MASS | Sale | Aug 13, 2026 | $76.68K |