Brown Christopher D. sold MASS
June 4, 2026 · Form 4 insider transaction
Brown Christopher D. sold 100 shares of 908 Devices Inc. at $9.00 per share, a transaction worth $900.00. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
100
Price
$9.00
Total value
$900.00
InsiderBrown Christopher D.
RoleOfficer, Director
Company908 Devices Inc. (MASS)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJune 4, 2026
Filing dateJune 5, 2026
Shares owned after875,459
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 24, 2025.