Duffy David C. - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
3/28/22 17:02	3/23/22	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-98	30.00	-3	-6	55	D
2/4/22 16:01	2/4/22	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-101	30.91	-3	-5	58	D
1/31/22 16:12	1/31/22	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-98	30.00	-3	-5	61	D
1/5/22 16:04	1/3/22	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	107	2.59	41	177	65	D
12/30/21 16:57	12/29/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-68	40.71	-2	-7	23	D
11/22/21 18:18	11/19/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-76	45.54	-2	-6	25	D
10/19/21 16:00	10/15/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-86	51.47	-2	-6	27	D
10/4/21 16:09	9/22/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-80	47.72	-2	-6	28	D
8/20/21 16:08	8/20/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-77	46.13	-2	-5	30	D
7/14/21 17:08	7/14/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-96	57.77	-2	-5	32	D
6/23/21 17:27	6/23/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-104	62.11	-2	-5	33	D
6/2/21 16:09	5/28/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-85	51.00	-2	-5	35	D
4/15/21 16:59	4/15/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-104	62.14	-2	-4	37	D
3/19/21 16:03	3/19/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-97	58.36	-2	-4	38	D
2/12/21 16:00	2/11/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-133	79.62	-2	-4	40	D
1/22/21 18:47	1/22/21	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-132	79.29	-2	-4	39	D
12/21/20 17:03	12/18/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	4	2.28	2	4	41	D
12/21/20 17:03	12/18/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-73	43.82	-2	-4	41	D
11/16/20 16:51	11/12/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-82	49.39	-2	-4	41	D
10/20/20 16:15	10/16/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-72	43.04	-2	-4	43	D
9/17/20 17:47	9/17/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-54	32.43	-2	-4	45	D
8/20/20 16:32	8/19/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-59	34.92	-2	-4	46	D
7/14/20 17:49	7/13/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-46	27.39	-2	-3	48	D
6/18/20 16:58	6/16/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-44	26.35	-2	-3	50	D
5/12/20 18:21	5/8/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-44	26.52	-2	-3	51	D
4/17/20 16:08	4/15/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-35	20.87	-2	-3	53	D
3/20/20 17:03	3/19/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-19	11.46	-2	-3	55	D
2/11/20 16:50	2/11/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S	-46	27.88	-2	-3	50	D
1/17/20 20:46	1/17/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	4	1.93	2	4	51	D
1/17/20 20:46	1/17/20	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-47	23.99	-2	-4	51	D
12/20/19 18:40	12/18/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	15	2.28	7	15	51	D
12/16/19 16:17	12/16/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
12/16/19 16:17	12/16/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-40	24.15	-2	-4	45	D
11/19/19 18:18	11/18/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
11/19/19 18:18	11/18/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-38	22.56	-2	-4	45	D
10/21/19 17:22	10/21/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
10/21/19 17:22	10/21/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-34	20.32	-2	-4	45	D
9/17/19 17:55	9/16/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
9/17/19 17:55	9/16/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-43	25.68	-2	-4	45	D
8/20/19 16:00	8/19/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
8/20/19 16:00	8/19/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-47	27.99	-2	-4	45	D
7/15/19 16:04	7/15/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
7/15/19 16:04	7/15/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-49	29.49	-2	-4	45	D
6/17/19 16:30	6/17/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	3	1.93	2	4	45	D
6/17/19 16:30	6/17/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.d	-55	32.74	-2	-4	45	D
5/15/19 17:21	5/13/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	1	1.93	1	1	45	D
5/15/19 17:21	5/13/19	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	S.dm	-27	20.78	-1	-3	45	D
10/31/18 19:44	10/31/18	QTRX	Quanterix Corp	DE	Electr	LabEq	Laboratory Analytical Instrum	Duffy David C.	MA	O	SVP R,D,	M.d	7	2.13	3	9	40	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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