WD
Insider
William P Donnelly
DirectorWilliam 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.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
-12.0%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-12.6%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
1d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$212K
shares × price, as filed
Last traded
Aug 13
Filed Aug 14
Median ADV $2.6M across their filed names
Open performance→Volume by month
Buys $718K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
QTRXRecent filings
QTRXPURCHASE
Quanterix Corporation
View filing →
$212K72,245 sh × $2.93
Exec Aug 13
Filed Aug 14 · 4:01 PM ET QTRXPURCHASE Quanterix Corporation View filing → $507K
93,113 sh × $5.44
Exec Jun 6 2025
Filed Jun 9 2025 · 5:30 PM ET