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Saturday, 17 October 2026

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Form 4 Quanterix Corp: Michael Francis Miller (CTO) For: 15 October

Policy desk, National Trade News (2026-10-17): Quanterix CTO exercises 1,558 RSUs to stock Quanterix’s CTO converted vested restricted stock units into common stock, with part of the shares withheld to… Primary source: original at Investing.com UK All News (uk.investing.com).

· Investing.com UK All News

Quanterix CTO exercises 1,558 RSUs to stock

Quanterix’s CTO converted vested restricted stock units into common stock, with part of the shares withheld to cover the exercise price or taxes.

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

Rhea-AI Filing Summary

Quanterix Corp (QTRX) reported that Chief Technology Officer Michael Francis Miller exercised restricted stock units into common stock on September 15, 2026. A total of 1,558 restricted stock units converted into common shares on a one-for-one basis, and 467 common shares were delivered or withheld to pay the exercise price or related tax liability at $2.72 per share. No Rule 10b5-1 trading plan is indicated for these transactions.

Insider Trade Summary

Footnotes (6)

  • F1. Restricted stock units convert into common stock on a one-for-one basis.
  • F2. On February 6, 2023, the reporting person was granted 3,929 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 15th day of each month thereafter.
  • F3. On March 15, 2023, the reporting person was granted 6,566 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 15th day of each month thereafter.
  • F4. On February 2, 2024, the reporting person was granted 6,494 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 15th day of each month thereafter.
  • F5. On May 21, 2024, the reporting person was granted 17,878 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 15th day of each month thereafter.
  • F6. On February 4, 2025, the reporting person was granted 40,036 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 15th day of each month thereafter.

Key Figures

Key Terms

Restricted Stock Unit financial

derivative security financial

Payment of exercise price or tax liability financial

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Quanterix (QTRX) report for its CTO on September 15, 2026?

How many Quanterix (QTRX) restricted stock units did the CTO exercise in this Form 4?

Were the Quanterix (QTRX) CTO’s transactions made under a Rule 10b5-1 trading plan?

AI-generated analysis. How Rhea-AI works. Not financial advice.