William P Donnelly bought $507K of Quanterix (QTRX)
Executed Jun 6 2025, disclosed Jun 9 2025, 3 days later.
Over the 21 trading sessions from the disclosed entry session (Jun 9 2025), the stock returned +7.7% (delay-adjusted); from the execution session (Jun 6 2025), +29.5%. Derived: entry at the session's open, exit at the close 20 sessions later.
William P Donnelly (Director) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in Quanterix Corporation (QTRX). Across 1 priced purchase filing, the average 21-session return was -12.0% from execution and -12.6% from disclosure (delay-adjusted; derived). The largest single filing was $212K of QTRX (72,245 sh × $2.93, as filed), executed Aug 13.
Healthcare · Quanterix Corporation, a life sciences company in North America, Europe, the Middle East, Africa, and the Asia Pacific regions
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→72,245 sh × $2.93
Exec Aug 13
Filed Aug 14 · 4:01 PM ET