Kevin Knopp Insider Trades & Stock Holdings

President and CEO · 908 Devices Inc. · Latest filing Jun 25, 2026

Kevin Knopp, President and CEO at 908 Devices Inc. has 3 Form 4 trades on file since Jun 23, 2026. Open-market activity: 0 purchases ($0) and 3 sales ($550.62K), net -$550.62K. Latest filing: disposed of 16.39K shares of $MASS on Jun 25, 2026 at $9.10.

Trades on file

3

Open-market bought

$0

Open-market sold

$550.62K

Net open-market

-$550.62K

Latest filing

Jun 25, 2026

All insider trades by Kevin Knopp

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 25, 2026	$MASS	Sell (Open-market sale) 10b5-1	16.39K	$9.10	$149.13K			-3.2%	-20.6%		President and CEO		—
Jun 24, 2026	$MASS	Sell (Open-market sale) 10b5-1	40.53K	$9.14	$370.49K			-1.0%	-20.4%		President and CEO		—
Jun 23, 2026	$MASS	Sell (Open-market sale) 10b5-1	3.42K	$9.06	$31K			-0.3%	-18.6%		President and CEO		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Kevin Knopp traded

• $MASS

Frequently asked questions

Has Kevin Knopp been buying or selling stock?

Kevin Knopp has 0 open-market purchases and 3 open-market sales on file, net -$550.62K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Kevin Knopp's latest insider trade?

disposed of 16.39K shares of $MASS on Jun 25, 2026 at $9.10.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.