MASS908 Devices Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-07-07.
Insider buys (90d)
$0.00
Insider sells (90d)
$4.45M
Net flow
$-4.45M
Filings
25
Buy transactions
0
Sell transactions
27
Distinct insiders
11
Last close (cached)
$7.35
as of 2026-07-17
1d return
-0.8%
5d return
-9.3%
1m return
-14.9%
Top insiders trading MASS (90d)
Recent transactions (35)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |
| 2026-05-29 | 2026-05-28 | AWM Investment Company, Inc. 10% | Sale | 170,442 | $8.66 | $1.48M | open → |
| 2026-05-29 | 2026-05-27 | AWM Investment Company, Inc. 10% | Sale | 15,000 | $8.25 | $123.8K | open → |
| 2026-05-29 | 2026-05-27 | AWM Investment Company, Inc. 10% | Sale | 1,500 | $8.25 | $12.4K | open → |
| 2026-05-29 | 2026-05-28 | Brown Christopher D. | Sale | 30,000 | $9.00 | $270.0K | open → |
| 2026-05-29 | 2026-05-28 | Griffith Joseph H. IV | Sale | 6,940 | $9.03 | $62.7K | open → |
| 2026-05-13 | 2026-05-11 | AWM Investment Company, Inc. 10% | Sale | 5,000 | $8.25 | $41.3K | open → |
| 2026-05-11 | 2026-05-08 | Kenneweg John | Sale | 18,255 | $8.11 | $148.0K | open → |
| 2026-05-08 | 2026-05-08 | AWM Investment Company, Inc. 10% | Sale | 3,025 | $8.20 | $24.8K | open → |
| 2026-05-08 | 2026-05-07 | AWM Investment Company, Inc. 10% | Sale | 12,819 | $8.20 | $105.2K | open → |
| 2026-05-08 | 2026-05-06 | AWM Investment Company, Inc. 10% | Sale | 57,365 | $8.06 | $462.2K | open → |
| 2026-05-08 | 2026-05-06 | AWM Investment Company, Inc. 10% | Sale | 5,000 | $8.00 | $40.0K | open → |
| 2026-05-07 | 2026-05-06 | Brown Christopher D. | Sale | 20,000 | $7.23 | $144.6K | open → |
| 2026-05-04 | 2026-05-01 | Kenneweg John | Sale | 7,787 | $6.83 | $53.2K | open → |
| 2026-05-04 | 2026-05-01 | Kenneweg John | Exer. | 26,042 | $0.00 | $0.00 | open → |
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