Form 4: Quanterix Director William Donnelly Increases Stake with Stock Grant

Quanterix Corporation Director William P. Donnelly acquired 4,204 shares of common stock on July 1, 2025, as compensation for board service, increasing his total beneficial ownership to 143,298 shares.

Summary

• William P. Donnelly, a Director of Quanterix Corp (QTRX), acquired 4,204 shares of common stock.
• The acquisition occurred on July 1, 2025, at a price of $6.69 per share.
• These shares were granted in lieu of cash fees for his service on the Company's Board of Directors and its committees for the second quarter of 2025.
• Following this transaction, Mr. Donnelly beneficially owns a total of 143,298 shares of Quanterix common stock, which includes 12,955 restricted stock units.

Sentiment

Score: 7

Explanation: The acquisition of shares by a director, even as compensation, generally indicates confidence and aligns interests with shareholders. It's a positive but routine event.

Positives

• Director William P. Donnelly increased his beneficial ownership in Quanterix Corp by acquiring 4,204 shares.
• The acquisition was through a stock grant, indicating alignment of director compensation with shareholder interests.
• The transaction increases the director's total stake to 143,298 shares, demonstrating continued commitment to the company.

Future Outlook

The filing indicates that the stock grant was for service during the second quarter of 2025, suggesting ongoing board service and compensation practices.

Industry Context

This transaction is a routine insider filing, common across industries, where directors receive equity as part of their compensation, aligning their interests with shareholders. It does not provide broader industry trends.

Comparison to Industry Standards

• The practice of compensating directors with stock in lieu of cash fees is a common corporate governance practice across various industries, including biotechnology and diagnostics, aligning director incentives with long-term shareholder value. Specific comparable companies or projects are not detailed in this filing.

Corporate Governance

Stakeholder Impact

• Shareholders: The acquisition of shares by a director, particularly as compensation, can be viewed positively as it aligns the director's interests with those of the shareholders, potentially signaling confidence in the company's future.

Next Steps

• No specific future actions or milestones are mentioned beyond the routine nature of the stock grant for board service.

Key Dates

Keywords

Quanterix Corp, QTRX, Form 4, Insider Trading, Director Stock Acquisition, Beneficial Ownership, Stock Grant, Executive Compensation, SEC Filing