Sarah E. Hlavinka - 01 Jul 2025 Form 4 Insider Report for Quanterix Corp (QTRX)

Reporting relationship: Director
Issuer ticker: QTRX
Reported as of: 01 Jul 2025
Net transaction value: +$17,494
SEC form: 4
Accepted by SEC: 03 Jul 2025, 14:37:32 UTC
Prior SEC filing: 08 Apr 2025
Next SEC filing: 10 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Brian Keane, as Attorney-in-Fact

Key filing fact

Sarah E. Hlavinka filed Form 4 for Quanterix Corp (QTRX) on 03 Jul 2025.

Key facts

This page summarizes Sarah E. Hlavinka's Form 4 filing for Quanterix Corp (QTRX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Jul 2025, 14:37.

Change

Previous filing in this sequence was filed on 08 Apr 2025.
Current net transaction value: +$17,494.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001433554 Primary reporting owner

Hlavinka Sarah E.

Relationship: Director
Address: C/O QUANTERIX CORPORATION, 900 MIDDLESEX TURNPIKE, BILLERICA
Signature: /s/ Brian Keane, as Attorney-in-Fact
Signature date: 03 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QTRX transaction

Common Stock

Award

Transaction value: $17,494
Shares: +2,615
Change %: +4.6%
Price: $6.69
Shares after: 60,070
Date: 01 Jul 2025
Ownership: Direct
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2025.

Footnote F2

Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2025.

Footnote F3

Includes 7,435 restricted stock units.

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