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MASS Sale Disclosure
Knopp Kevin J. · SEC Form 4 · Filed Aug 12, 2026
Sale
Calculated transaction value
$27.66K
Knopp Kevin J. President And CEO
MASS
908 Devices Inc
MASS
Transaction date
Aug 12, 2026
Public filing date
Aug 12, 2026
Filing lag
Filed same day
MASS daily price context
Close on/before transaction
$10.02
Aug 12, 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
- 2,747 shares @ $10.07
- 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 Current | Sale | Aug 12, 2026 | $27.66K |
| 908 Devices Inc. MASS | Sale | Aug 11, 2026 | $1.14M |
| 908 Devices Inc. MASS | Sale | Aug 11, 2026 | $306.53K |
| 908 Devices Inc. MASS | Sale | Aug 10, 2026 | $3.15K |