Quanterix Corporation
US ˙ NasdaqGM ˙ US74766Q1013

SecurityQTRX / Quanterix Corporation
InsiderWilliam P Donnelly
This page shows the track record and history of DONNELLY WILLIAM P insider trades in Quanterix Corporation. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by William P Donnelly in QTRX / Quanterix Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2025-06-06 93,113 5.4380 93,113 5.4380 506,348 27 6.9800 143,581 28.36
2023-09-08 20,200 24.8504 20,200 24.8504 501,978

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

QTRX / Quanterix Corporation Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by William P Donnelly in QTRX / Quanterix Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

QTRX / Quanterix Corporation Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-07-02 2025-07-01 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 6.6900 4,204 28 143,298
2025-06-09 2025-06-06 4 DONNELLY WILLIAM P QTRX Common Stock P - Purchase D 5.4380 93,113 506 139,094
2025-04-03 2025-04-01 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 6.6650 2,681 18 45,981
2025-01-06 2025-01-02 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 10.7600 1,282 14 43,300
2025-01-06 2025-01-02 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 7,435 42,018
2024-10-02 2024-10-01 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 12.5000 1,000 12 34,583
2024-07-02 2024-07-01 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 12.6800 985 12 33,583
2024-04-03 2024-04-01 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 23.7800 525 12 32,598
2024-01-04 2024-01-02 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 27.1500 460 12 32,073
2024-01-04 2024-01-02 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 2,947 31,613
2023-10-04 2023-10-02 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 26.7100 228 6 28,666
2023-09-11 2023-09-08 4 DONNELLY WILLIAM P QTRX Common Stock P - Purchase D 24.8504 20,200 502 28,438
2023-08-21 2023-08-17 4 DONNELLY WILLIAM P QTRX Common Stock A - Award D 8,238 8,238
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)