Brown Christopher D. sold MASS
May 28, 2026 · Form 4 insider transaction
Brown Christopher D. sold 30,000 shares of 908 Devices Inc. at $9.00 per share, a transaction worth $270.0K. 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
30,000
Price
$9.00
Total value
$270.0K
InsiderBrown Christopher D.
RoleOfficer, Director
Company908 Devices Inc. (MASS)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 28, 2026
Filing dateMay 29, 2026
Shares owned after895,559
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.