InsiderTrades

Form 4 for QTRX Quanterix Corp

Accepted 2026-07-02 16:01:45 ET · period of report 2026-06-30 · accession 0002120516-26-000012 · 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
D 2026-07-02 16:01 2026-06-30 QTRX Miller Michael Francis CTO M - OptEx — +130 35.0K +0.4% —
D 2026-07-02 16:01 2026-06-30 QTRX Miller Michael Francis CTO F - Tax $4.32 -39 35.0K -0.1% -$168.48
D 2026-07-02 16:01 2026-06-30 QTRX Miller Michael Francis CTO M - OptEx $0.00 -130 289 -31% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-30 M A 130 — 35,016 D — — (F1) Restricted stock units convert into common stock on a one-for-one basis.
2 Common Common Stock 2026-06-30 F D 39 $4.32 34,977 D — —
3 Derivative Restricted Stock Unit 2026-06-30 M D 130 $0.00 289 D $0.00 · — to — 130 Common Stock (F2) On September 23, 2022, the reporting person was granted 6,278 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the last day of each month thereafter. (F2) On September 23, 2022, the reporting person was granted 6,278 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the last day of each month thereafter.