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Insider filing · QTRX

David R Walt bought $986K of Quanterix (QTRX)

Executed Jun 12 2025, disclosed Jun 13 2025, 1 day later.

Value, as filed
$986K
160,000 sh across 2 lots
Executed
Jun 12 2025
the trade date, as filed
Disclosed
Jun 13 2025
1 day after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
-7.9%
-8.1% from execution

Over the 21 trading sessions from the disclosed entry session (Jun 13 2025), the stock returned -7.9% (delay-adjusted); from the execution session (Jun 12 2025), -8.1%. 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 $1.1M
210,000 sh across 2 lots
Exec Jun 6 2025
Filed Jun 9 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 †