Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Martin D. Madaus currently holds 9,703 shares of Quanterix Corp (QTRX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Martin D. Madaus has been a net seller of QTRX stock. They have purchased $1.4M and sold $5.2M worth of shares.
Martin D. Madaus's most recent insider trade was on Feb 5, 2026, when they sold 5,663 shares at $0.00 per share.
Martin D. Madaus serves as Executive at Quanterix Corp (QTRX). They have executed 210 insider transactions totaling $6.6M over their tenure at the company.
Martin D. Madaus holds the position of Executive at Quanterix Corp, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Martin D. Madaus has shown a selling trading pattern, with $1.4M in total purchases and $5.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Martin D. Madaus was on Aug 10, 2022, when they purchased $755.9K worth of QTRX shares. This transaction involved 89,667 shares at $8.43 per share.
Martin D. Madaus currently owns 9,703 shares of Quanterix Corp (QTRX), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Martin D. Madaus's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Martin D. Madaus has 210 Form 4 filings on record as an insider at Quanterix Corp.
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