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MASS Sale Disclosure
Knopp Kevin J. · SEC Form 4 · Filed Aug 12, 2026
Sale
Calculated transaction value
$306.53K
Knopp Kevin J. President And CEO
MASS
908 Devices Inc
MASS
Transaction date
Aug 11, 2026
Public filing date
Aug 12, 2026
Filing lag
Filed 1 day later
MASS daily price context
Close on/before transaction
$10.01
Aug 11, 2026
First close after public filing
$10.11
Aug 13, 2026
30-day return after filing
-5.84%
Through Sep 11, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 30,170 shares @ $10.16
- SEC ownership
- Direct
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001836523-26-000011
Filing cohort
Transactions in this filing
Showing 4 of 4
Trades
4
Issuers
1
Estimated value
$1.48M
Buys / sales
0 / 4
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| 908 Devices Inc. MASS | Sale | Aug 12, 2026 | $27.66K |
| 908 Devices Inc. MASS | Sale | Aug 11, 2026 | $1.14M |
| 908 Devices Inc. MASS Current | Sale | Aug 11, 2026 | $306.53K |
| 908 Devices Inc. MASS | Sale | Aug 10, 2026 | $3.15K |