InsiderTrades

Form 4 for QTRX Quanterix Corp

Accepted 2025-10-17 00:00:00 ET · period of report 2025-10-15 · accession 0001867276-25-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-10-17 2025-10-15 QTRX Toloue Masoud Pres, CEO, Dir F - Tax $5.78 -1,242 511.7K -0.2% -$7,179

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-15 F D 1,242 $5.78 511,696 D — — (F1) Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 3,722 restricted stock units (RSUs). (F2) Includes 219,847 RSUs