David R. Walt - 02 Jan 2026 Form 4 Insider Report for Quanterix Corp (QTRX)

Role
Director
Signature
/s/ Bonnie McManus, Attorney-in-Fact
Issuer symbol
QTRX
Transactions as of
02 Jan 2026
Net transactions value
$0
Form type
4
Filing time
06 Jan 2026, 20:11:53 UTC
Previous filing
03 Oct 2025
SEC
View on sec.gov

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Quoteable Key Fact

"David R. Walt filed Form 4 for Quanterix Corp (QTRX) on 06 Jan 2026."

Quick Takeaways

  • This page summarizes David R. Walt's Form 4 filing for Quanterix Corp (QTRX).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Filing timestamp: 06 Jan 2026, 20:11.

What Changed

  • Previous filing in this sequence was filed on 03 Oct 2025.
  • Current net transaction value: $0.

Why This Matters

  • 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.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WALT DAVID R Director C/O QUANTERIX CORPORATION,, 900 MIDDLESEX TURNPIKE, BILLERICA /s/ Bonnie McManus, Attorney-in-Fact 06 Jan 2026 0001205236

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction QTRX Common Stock Award $0 +1,215 +0.06% $0.000000 1,872,890 02 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the fourth quarter of 2025.

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