Toloue Masoud 4
4 · Quanterix Corp · Filed Nov 5, 2025
Insider Transaction Report
Form 4
Quanterix CorpQTRX
Toloue Masoud
DirectorPresident & CEO
Transactions
- Tax Payment
Common Stock
[F1][F2]2025-10-31$5.34/sh−254$1,356→ 511,442 total
Footnotes (2)
- [F1]Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 761 restricted stock units (RSUs).
- [F2]Includes 219,086 RSUs
Signature
/s/ Brian Keane, as Attorney-in-Fact|2025-11-04