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
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 7, 2026
Filing dateOctober 9, 2026
Shares owned after805,559
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR