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B

Brown Christopher D.

Open-market buys

0

$0 total

Open-market sells

14

$1.9M total

Tracking since

Apr 2026

Activity timeline

Open-market sale — $357K

908 Devices Inc. · Oct 7, 2026

Open-market sale — $317K

908 Devices Inc. · Sep 2, 2026

Open-market trades from the last two years.

Holdings as last reported

805,559 Common Stock in MASS

Held directly · as of 2026-10-07

54,318 Stock Option (option to buy) in MASS

Held directly · as of 2026-10-07

Companies touched

908 Devices Inc.