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Insider filing · QTRX

David R Walt bought $1.1M of Quanterix (QTRX)

Executed Jun 6 2025, disclosed Jun 9 2025, 3 days later.

Value, as filed
$1.1M
210,000 sh across 2 lots
Executed
Jun 6 2025
the trade date, as filed
Disclosed
Jun 9 2025
3 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
+7.7%
+29.5% from execution

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.

The filer
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.

The name
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
Other filings by David R Walt in QTRX
QTRXPURCHASE Quanterix Corporation $986K
160,000 sh across 2 lots
Exec Jun 12 2025
Filed Jun 13 2025 · 5:30 PM ET
QTRXPURCHASE Quanterix Corporation $625K
47,000 sh × $13.29
Exec Aug 20 2024
Filed Sep 17 2024 · 5:30 PM ET †