Christopher Brown Insider Trades & Stock Holdings

908 Devices Inc. · Latest filing Jun 23, 2026

Christopher Brown at 908 Devices Inc. has 1 Form 4 trade on file since Jun 23, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($89.50K), net -$89.50K. Latest filing: disposed of 9.90K shares of $MASS on Jun 23, 2026 at $9.04.

Trades on file

1

Open-market bought

$0

Open-market sold

$89.50K

Net open-market

-$89.50K

Latest filing

Jun 23, 2026

All insider trades by Christopher Brown

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 23, 2026	$MASS	Sell (Open-market sale) 10b5-1	9.90K	$9.04	$89.50K			-0.3%	-18.6%				Read

"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 Christopher Brown traded

• $MASS

Frequently asked questions

Has Christopher Brown been buying or selling stock?

Christopher Brown has 0 open-market purchases and 1 open-market sale on file, net -$89.50K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Christopher Brown's latest insider trade?

disposed of 9.90K shares of $MASS on Jun 23, 2026 at $9.04.

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.