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Insider activity — MASS908 Devices Inc.

7 Form 4 filings for MASS between 2026-08-03 and 2026-08-24, from 4 filers. 7 discretionary (6 sales, 1 purchases). 4 of 7 state a filing-level total, summing to $2,451,025; the rest report only their largest transaction, so the true figure is higher. Prices ran $8 to $11.

Filings 7 Filers 4 Discretionary 7 Routine 0 Structured 2/7

Filings
FiledFilerRoleAction Shares
largest txn
Price Filing totalTxns
2026-08-24 AWM Investment Company, Inc. sold 41,578 $10.61 $529,797 2
2026-08-17 Knopp Kevin J. sold 20,000 $10.35 $283,677 2
2026-08-12 Brown Christopher D. Director sold 9,442 $9.03 $162,406 2
2026-08-12 Knopp Kevin J. President and CEO sold 115,748 $9.83 $1,475,145 4
2026-08-07 Brown Christopher D. sold 20,000 $8.49
2026-08-06 AWM Investment Company, Inc. sold 50,000 $8.36
2026-08-03 Vann Brandi C acquired 5,192
7 filings · 4 filers · disclosed totals only $2,451,025 (4/7)
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