Brown Christopher D. bought MASS
October 7, 2026 · Form 4 insider transaction
Brown Christopher D. bought 60,000 shares of 908 Devices Inc. at $1.75 per share, a transaction worth $105.0K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
60,000
Price
$1.75
Total value
$105.0K
InsiderBrown Christopher D.
RoleOfficer, Director
Company908 Devices Inc. (MASS)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 7, 2026
Filing dateOctober 9, 2026
Shares owned after805,559
OwnershipDirect
10b5-1 planNo
AmendedNo