McCallion Kevin J. bought MASS
April 10, 2026 · Form 4 insider transaction
McCallion Kevin J. bought 2,693 shares of 908 Devices Inc. at $1.05 per share, a transaction worth $2.8K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
2,693
Price
$1.05
Total value
$2.8K
InsiderMcCallion Kevin J.
RoleOfficer
Company908 Devices Inc. (MASS)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateApril 10, 2026
Filing dateApril 14, 2026
Shares owned after47,618
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 9, 2025.