Insider filing · QTRX

David R Walt bought $625K of Quanterix (QTRX)

Executed Aug 20 2024, disclosed Sep 17 2024, 28 days later, against a two-business-day limit.

Over the 21 trading sessions from the disclosed entry session (Sep 17 2024), the stock returned -5.2% (delay-adjusted); from the execution session (Aug 20 2024), +6.3%. Derived: entry at the session's open, exit at the close 20 sessions later.

DW David R Walt Director profile →

David R Walt (Director) filed 2 Form 4 reports in the past 24 months (2 purchases, 0 sales), most often in Quanterix Corporation (QTRX). Across 2 priced purchase filings, the average 21-session return was +10.7% from execution and -0.1% from disclosure (delay-adjusted; derived). The largest single filing was $1.1M of QTRX (210,000 sh across 2 lots, as filed), executed Jun 6 2025.

QTRX Quanterix Corporation QTRX · Healthcare · 5 filings in 24 months ticker →

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→