MASS908 Devices Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-08-25.
Insider buys (90d)
$0.00
Insider sells (90d)
$4.53M
Net flow
$-4.53M
Filings
24
Buy transactions
0
Sell transactions
26
Distinct insiders
10
Last close (cached)
$10.37
as of 2026-08-26
1d return
-5.7%
5d return
+1.3%
1m return
+47.5%
Top insiders trading MASS (90d)
Recent transactions (34)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | 2026-08-21 | AWM Investment Company, Inc. 10% | Sale | 41,578 | $10.61 | $441.2K | open → |
| 2026-08-25 | 2026-08-20 | AWM Investment Company, Inc. 10% | Sale | 8,422 | $10.52 | $88.6K | open → |
| 2026-08-17 | 2026-08-17 | Knopp Kevin J. | Sale | 20,000 | $10.35 | $207.0K | open → |
| 2026-08-17 | 2026-08-13 | Knopp Kevin J. | Sale | 7,622 | $10.06 | $76.7K | open → |
| 2026-08-12 | 2026-08-11 | Brown Christopher D. | Sale | 8,358 | $9.23 | $77.1K | open → |
| 2026-08-12 | 2026-08-10 | Brown Christopher D. | Sale | 9,442 | $9.03 | $85.3K | open → |
| 2026-08-12 | 2026-08-12 | Knopp Kevin J. | Sale | 2,747 | $10.07 | $27.7K | open → |
| 2026-08-12 | 2026-08-11 | Knopp Kevin J. | Sale | 30,170 | $10.16 | $306.5K | open → |
| 2026-08-12 | 2026-08-11 | Knopp Kevin J. | Sale | 115,748 | $9.83 | $1.14M | open → |
| 2026-08-12 | 2026-08-10 | Knopp Kevin J. | Sale | 348 | $9.06 | $3.2K | open → |
| 2026-08-07 | 2026-08-05 | Brown Christopher D. | Sale | 20,000 | $8.49 | $169.8K | open → |
| 2026-08-06 | 2026-08-04 | AWM Investment Company, Inc. 10% | Sale | 50,000 | $8.36 | $417.8K | open → |
| 2026-08-03 | 2026-08-01 | Vann Brandi C | Exer. | 5,192 | $0.00 | $0.00 | open → |
| 2026-07-07 | 2026-07-02 | Brown Christopher D. | Sale | 2,200 | $9.02 | $19.8K | open → |
| 2026-07-07 | 2026-07-02 | Knopp Kevin J. | Sale | 222 | $9.07 | $2.0K | open → |
| 2026-07-02 | 2026-06-30 | Brown Christopher D. | Sale | 20,000 | $8.84 | $176.8K | open → |
| 2026-06-30 | 2026-06-26 | Knopp Kevin J. | Sale | 2,798 | $9.09 | $25.4K | open → |
| 2026-06-25 | 2026-06-23 | Brown Christopher D. | Sale | 9,900 | $9.04 | $89.5K | open → |
| 2026-06-25 | 2026-06-25 | Knopp Kevin J. | Sale | 16,388 | $9.10 | $149.1K | open → |
| 2026-06-25 | 2026-06-24 | Knopp Kevin J. | Sale | 40,535 | $9.14 | $370.5K | open → |
| 2026-06-25 | 2026-06-23 | Knopp Kevin J. | Sale | 3,422 | $9.06 | $31.0K | open → |
| 2026-06-25 | 2026-06-25 | Leonhart Michele M. | Exer. | 6,486 | $0.00 | $0.00 | open → |
| 2026-06-24 | 2026-06-23 | AWM Investment Company, Inc. 10% | Sale | 3,050 | $9.00 | $27.5K | open → |
| 2026-06-24 | 2026-06-22 | AWM Investment Company, Inc. 10% | Sale | 4,668 | $8.99 | $42.0K | open → |
| 2026-06-12 | 2026-06-10 | Leonhart Michele M. | Exer. | 14,083 | $0.00 | $0.00 | open → |
| 2026-06-12 | 2026-06-10 | Spoto Mark | Exer. | 14,083 | $0.00 | $0.00 | open → |
| 2026-06-12 | 2026-06-10 | Hunt Anthony | Exer. | 14,083 | $0.00 | $0.00 | open → |
| 2026-06-12 | 2026-06-10 | HRUSOVSKY E KEVIN | Exer. | 14,083 | $0.00 | $0.00 | open → |
| 2026-06-12 | 2026-06-10 | ELOI FENEL M | Exer. | 14,083 | $0.00 | $0.00 | open → |
| 2026-06-12 | 2026-06-10 | CRANDELL KEITH | Exer. | 14,083 | $0.00 | $0.00 | open → |
| 2026-06-05 | 2026-06-04 | Brown Christopher D. | Sale | 100 | $9.00 | $900.00 | open → |
| 2026-06-04 | 2026-06-04 | AWM Investment Company, Inc. 10% | Sale | 39,782 | $8.97 | $356.9K | open → |
| 2026-06-04 | 2026-06-02 | AWM Investment Company, Inc. 10% | Sale | 2,500 | $8.95 | $22.4K | open → |
| 2026-06-04 | 2026-06-03 | Brown Christopher D. | Sale | 20,000 | $8.73 | $174.6K | open → |
Other tickers these insiders trade
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