Form 4: Quanterix Executive Chair Acquires Shares

William P. Donnelly, Executive Chair of Quanterix Corp, acquired 2,377 shares of common stock as compensation for board service.

Summary

• William P. Donnelly, Executive Chair and Director of Quanterix Corp (QTRX), acquired 2,377 shares of common stock.
• The shares were granted in lieu of cash fees for his service on the Company's Board of Directors and its committees for the fourth quarter of 2025.
• The transaction occurred on January 2, 2026, with a price of $0.00 per share.
• Following this transaction, Mr. Donnelly beneficially owns 150,751 shares of Quanterix common stock, which includes 2,802 restricted stock units.

Sentiment

Score: 6

Explanation: The acquisition of shares by an executive chair, even as compensation, generally signals alignment of interests with shareholders and is a routine part of executive remuneration.

Positives

• Increased insider ownership by the Executive Chair, aligning management interests with shareholders.
• The use of stock in lieu of cash fees can conserve company cash.

Future Outlook

NA

Industry Context

NA

Related Party Transactions

• The grant of stock to an executive chair in lieu of cash fees is a related party transaction, as it involves compensation to an insider.

Stakeholder Impact

• Shareholders: Increased insider ownership may be viewed positively as it aligns management's interests with shareholder value.

Key Dates

Recommendation

This Form 4 filing reports a routine compensation event where the Executive Chair received shares in lieu of cash fees. While it slightly increases insider ownership, it is a small, non-cash transaction that is unlikely to significantly impact the company's fundamentals or stock price. It does not provide new information warranting a change in investment thesis.

Keywords

Quanterix Corp, QTRX, Form 4, Insider transaction, Stock grant, Executive compensation, William P. Donnelly, Director, Executive Chair, Beneficial ownership