Arkolith/Insider Trading/MASS/Form 4

Knopp Kevin J.

President and CEO, Director908 Devices Inc. (MASS) · full profile →Form 4 · filed Jun 25, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$551K
Net Open-Market Flow
-$551K
Transactions
3
3 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 25, 2026Sell(S)16K$9.10$149K736K
Jun 24, 2026Sell(S)41K$9.14$370K752K
Jun 23, 2026Sell(S)3K$9.06$31K793K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001836523-26-000005) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML