Toloue Masoud sold QTRX
January 15, 2026 · Form 4 insider transaction
Toloue Masoud sold 1,817 shares of Quanterix Corporation at $7.95 per share, a transaction worth $14.4K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 5 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,817
Price
$7.95
Total value
$14.4K
InsiderToloue Masoud
RoleOfficer, Director
CompanyQuanterix Corporation (QTRX)
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateJanuary 15, 2026
Filing dateJanuary 20, 2026
Shares owned after507,310
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 3,722 restricted stock units (RSUs).; QTRX year-end reconciliation revealed a variance of 681 shares. Corrected balance as shown; Includes 206,398 RSUs.