DONNELLY WILLIAM P - Insider Non-Derivative Transactions at Quanterix Corp (QTRX) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 1, 2025, DONNELLY WILLIAM P's relationship to Quanterix Corp (QTRX) is Director, and currently has 148,374 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other QTRX insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

DONNELLY WILLIAM P - Insider Non-Derivative Transactions of QTRX Common Stock

DONNELLY WILLIAM P - Insider Non-Derivative Transactions at QTRX

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 2, 2025	Acquisition -- (Common Stock)	5076	5.54	148374
Jul 2, 2025	Acquisition -- (Common Stock)	4204	6.69	143298
Jun 7, 2025	P -- (Common Stock)	93113	5.44	139094
Apr 2, 2025	Acquisition -- (Common Stock)	2681	6.67	45981
Jan 3, 2025	Acquisition -- (Common Stock)	7435	0	42018
Jan 3, 2025	Acquisition -- (Common Stock)	1282	10.76	43300
Oct 2, 2024	Acquisition -- (Common Stock)	1000	12.5	34583
Jul 2, 2024	Acquisition -- (Common Stock)	985	12.68	33583
Apr 2, 2024	Acquisition -- (Common Stock)	525	23.78	32598
Jan 3, 2024	Acquisition -- (Common Stock)	2947	0	31613
Jan 3, 2024	Acquisition -- (Common Stock)	460	27.15	32073
Oct 3, 2023	Acquisition -- (Common Stock)	228	26.71	28666
Sep 9, 2023	P -- (Common Stock)	20200	24.85	28438
Aug 18, 2023	Acquisition -- (Common Stock)	8238	0	8238