Knopp Kevin J.

President and CEO, Director908 Devices Inc. (MASS) · full profile →Form 4 · filed Aug 12, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.5M
Net Open-Market Flow
-$1.5M
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 12, 2026Sell(S)3K$10.07$28K584K
Aug 11, 2026Sell(S)116K$9.83$1.1M617K
Aug 11, 2026Sell(S)30K$10.16$307K586K
Aug 10, 2026Sell(S)348$9.06$3K732K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001836523-26-000011) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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Use Arkolith to summarize insider buying and selling at 908 Devices Inc.
over the last 90 days and cite the filings.