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United States Biotechnology & Medical Research

Quanterix Corp (QTRX)

Track

Recent insider activity at Quanterix Corp shows a net buy of $9,695 over the last 90 days, with one executive making a purchase. This contrasts with earlier periods featuring significant buy transactions from multiple executives, including the CEO and CFO, and some proposed/planned sales by a director.
Stock chart
Ticker: QTRX Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Meadows Benjamin
Chief Commercial Officer
1 purchase — total 100,000 USD
Buy 12 May 2026
Value US$2,592,260.22 | Price 132.63 | Shares 37,450
Buy 12 Sep 2025
Value US$2,841,284.61 | Price 361.28 | Shares 97,795
Buy 13 Jun 2025
Value US$760,802.64 | Price 6.14 | Shares 123,990
Buy 12 Jun 2025
Value US$224,165.85 | Price 6.23 | Shares 36,010
Buy 9 Jun 2025
Value US$248,722.92 | Price 5.42 | Shares 45,900
Buy 9 Jun 2025
Value US$417,219.54 | Price 5.34 | Shares 78,131
Buy 6 Jun 2025
Value US$716,576.15 | Price 5.43 | Shares 131,869
Buy 6 Jun 2025
Value US$506,348.49 | Price 5.44 | Shares 93,113
Buy 20 Aug 2024
Value US$624,630.00 | Price 13.29 | Shares 47,000
Buy 13 Aug 2024
Value US$207,100.00 | Price 10.90 | Shares 19,000
Proposed sale 12 Jun 2024
Value US$378,141.55 | Price 18.08 | Shares 20,915
Planned sale 14 May 2024
Value US$25,470.00 | Price 16.98 | Shares 1,500
Planned sale 1 Apr 2024
Value US$23,500.00 | Price 23.50 | Shares 1,000
Proposed sale 1 Apr 2024
Value US$23,500.00 | Price 23.50 | Shares 1,000
Planned sale 14 Feb 2024
Value US$36,525.00 | Price 24.35 | Shares 1,500
Proposed sale 14 Feb 2024
Value US$36,525.00 | Price 24.35 | Shares 1,500
Planned sale 2 Jan 2024
Value US$26,910.00 | Price 26.91 | Shares 1,000
Proposed sale 2 Jan 2024
Value US$26,910.00 | Price 26.91 | Shares 1,000
Planned sale 14 Nov 2023
Value US$32,835.00 | Price 21.89 | Shares 1,500
Buy 8 Sep 2023
Value US$501,978.08 | Price 24.85 | Shares 20,200
Buy 15 Aug 2022
Value US$152,418.00 | Price 10.16 | Shares 15,000
Buy 12 Aug 2022
Value US$1,095,150.00 | Price 10.43 | Shares 105,000
Buy 12 Aug 2022
Value US$156,502.50 | Price 10.43 | Shares 15,000
Buy 11 Aug 2022
Value US$49,787.70 | Price 10.46 | Shares 4,760
Buy 11 Aug 2022
Value US$50,652.00 | Price 9.38 | Shares 5,400
Buy 10 Aug 2022
Value US$755,543.11 | Price 8.43 | Shares 89,667
Buy 10 Aug 2022
Value US$1,293,495.00 | Price 8.62 | Shares 150,000
Buy 10 Aug 2022
Value US$412,780.29 | Price 8.61 | Shares 47,957
Buy 10 Aug 2022
Value US$1,585,533.45 | Price 8.51 | Shares 186,347
Sale 1 Aug 2022
Value US$6,964.16 | Price 15.61 | Shares 446
Sale 1 Aug 2022
Value US$577.74 | Price 15.61 | Shares 37
Sale 1 Aug 2022
Value US$6,261.49 | Price 15.61 | Shares 401
Sale 13 Jul 2022
Value US$7,879.44 | Price 18.16 | Shares 434
Sale 5 Jul 2022
Value US$6,412.16 | Price 16.57 | Shares 387
Sale 5 Jul 2022
Value US$15,906.14 | Price 16.57 | Shares 960
Sale 5 Jul 2022
Value US$7,157.76 | Price 16.57 | Shares 432
Sale 13 Jun 2022
Value US$84,955.05 | Price 15.27 | Shares 5,564
Sale 2 Jun 2022
Value US$12,441.20 | Price 17.47 | Shares 712
Sale 2 Jun 2022
Value US$6,605.02 | Price 17.47 | Shares 378
Sale 2 May 2022
Value US$2,880.58 | Price 22.68 | Shares 127
Sale 2 May 2022
Value US$11,634.23 | Price 22.29 | Shares 522
Sale 2 May 2022
Value US$1,905.26 | Price 22.68 | Shares 84
Sale 2 May 2022
Value US$7,689.29 | Price 22.29 | Shares 345
Sale 1 Apr 2022
Value US$15,611.48 | Price 29.79 | Shares 524
Sale 1 Apr 2022
Value US$5,094.59 | Price 29.79 | Shares 171
Sale 1 Apr 2022
Value US$7,775.95 | Price 29.79 | Shares 261
Sale 1 Apr 2022
Value US$25,860.24 | Price 29.79 | Shares 868
Planned sale 23 Mar 2022
Value US$97,980.00 | Price 30.00 | Shares 3,266
Sale 1 Mar 2022
Value US$2,282.65 | Price 32.15 | Shares 71
Sale 1 Mar 2022
Value US$6,116.49 | Price 31.21 | Shares 196
Sale 1 Mar 2022
Value US$5,079.70 | Price 32.15 | Shares 158
Sale 1 Mar 2022
Value US$13,450.04 | Price 31.21 | Shares 431
Sale 1 Mar 2022
Value US$3,182.85 | Price 32.15 | Shares 99
Sale 1 Mar 2022
Value US$8,488.20 | Price 31.21 | Shares 272
Sale 1 Mar 2022
Value US$1,414.60 | Price 32.15 | Shares 44
Sale 1 Mar 2022
Value US$3,807.21 | Price 31.21 | Shares 122
Sale 9 Feb 2022
Value US$47,697.17 | Price 34.97 | Shares 1,364
Sale 9 Feb 2022
Value US$16,819.90 | Price 34.97 | Shares 481
Sale 9 Feb 2022
Value US$11,120.01 | Price 34.97 | Shares 318
Sale 9 Feb 2022
Value US$10,210.83 | Price 34.97 | Shares 292
Planned sale 4 Feb 2022
Value US$100,952.06 | Price 30.91 | Shares 3,266
Sale 2 Feb 2022
Value US$3,182.85 | Price 32.15 | Shares 99
Sale 2 Feb 2022
Value US$8,488.20 | Price 31.21 | Shares 272
Sale 2 Feb 2022
Value US$5,079.70 | Price 32.15 | Shares 158
Sale 2 Feb 2022
Value US$13,450.04 | Price 31.21 | Shares 431
Sale 2 Feb 2022
Value US$2,282.65 | Price 32.15 | Shares 71
Sale 2 Feb 2022
Value US$6,116.49 | Price 31.21 | Shares 196
Sale 2 Feb 2022
Value US$1,414.60 | Price 32.15 | Shares 44
Sale 2 Feb 2022
Value US$3,807.21 | Price 31.21 | Shares 122
Planned sale 31 Jan 2022
Value US$97,980.00 | Price 30.00 | Shares 3,266
Sale 3 Jan 2022
Value US$14,876.84 | Price 41.91 | Shares 355
Sale 3 Jan 2022
Value US$6,244.08 | Price 41.91 | Shares 149
Sale 3 Jan 2022
Value US$155,683.02 | Price 41.91 | Shares 3,715
Sale 3 Jan 2022
Value US$14,751.12 | Price 41.91 | Shares 352
Sale 1 Dec 2021
Value US$5,371.00 | Price 41.00 | Shares 131
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-12 2026-05-12 B Purchase
Meadows Benjamin

Chief Commercial Officer

Officer
37,450 -1.3%
132.63
US$2,592,260 		37,450 -1.3% 132.63 US$2,592,260
2025-09-17 2025-09-12 B Purchase
3.3
Sriram Vandana

Chief Financial Officer

Officer
97,795 -14.2%
361.28
US$2,841,285 		97,795 -14.2% 361.28 US$2,841,285
2025-06-13 2025-06-13 B Purchase
3.7
WALT DAVID R
Non-Executive Director
18,541 -1.3%
192.94
US$4,249,354 		18,541 -1.3% 192.94 US$4,249,354
2025-06-13 2025-06-12 B Purchase
3.7
WALT DAVID R
Non-Executive Director
36,010 +2.1%
6.23
US$224,166 		36,010 +2.1% 6.23 US$224,166
2025-06-10 2025-06-09 B Purchase
3.8
Toloue Masoud

President & CEO

Executive Director
45,900 +9.7%
5.42
US$248,723 		45,900 +9.7% 5.42 US$248,723
2025-06-09 2025-06-09 B Purchase
3.7
WALT DAVID R
Non-Executive Director
78,131 +4.8%
5.34
US$417,220 		78,131 +4.8% 5.34 US$417,220
2025-06-09 2025-06-06 B Purchase
3.7
WALT DAVID R
Non-Executive Director
131,869 +8.8%
5.43
US$716,576 		131,869 +8.8% 5.43 US$716,576
2025-06-09 2025-06-06 B Purchase
2.6
DONNELLY WILLIAM P
Non-Executive Director
93,113 +202.5%
5.44
US$506,348 		93,113 +202.5% 5.44 US$506,348
2024-09-17 2024-08-20 B Purchase
3.7
WALT DAVID R
Non-Executive Director
47,000 +3.3%
13.29
US$624,630 		47,000 +3.3% 13.29 US$624,630
2024-08-15 2024-08-13 B Purchase
3.8
Toloue Masoud

President & CEO

Executive Director
19,000 +5.7%
10.90
US$207,100 		19,000 +5.7% 10.90 US$207,100
2024-06-12 2024-06-12 PrS Proposed sale
0.9
LAURIE OLSON

Director

Non-Executive Director
20,915
18.08
US$378,142 		20,915 18.08 US$378,142
2024-05-14 2024-05-14 PlS Planned sale
0.9
OLSON LAURIE J
Non-Executive Director
1,500 -9.8%
16.98
US$25,470 		1,500 -9.8% 16.98 US$25,470
2024-04-02 2024-04-01 PlS Planned sale
0.9
OLSON LAURIE J
Non-Executive Director
1,000 -6.2%
23.50
US$23,500 		1,000 -6.2% 23.50 US$23,500
2024-04-01 2024-04-01 PrS Proposed sale
0.9
LAURIE OLSON

Director

Non-Executive Director
1,000
23.50
US$23,500 		1,000 23.50 US$23,500
2024-02-15 2024-02-14 PlS Planned sale
0.9
OLSON LAURIE J
Non-Executive Director
1,500 -9.0%
24.35
US$36,525 		1,500 -9.0% 24.35 US$36,525
2024-02-14 2024-02-14 PrS Proposed sale
0.9
LAURIE OLSON

Director

Non-Executive Director
1,500
24.35
US$36,525 		1,500 24.35 US$36,525
2024-01-04 2024-01-02 PlS Planned sale
0.9
OLSON LAURIE J
Non-Executive Director
1,000 -5.6%
26.91
US$26,910 		1,000 -5.6% 26.91 US$26,910
2024-01-02 2024-01-02 PrS Proposed sale
0.9
LAURIE OLSON

Director

Non-Executive Director
1,000
26.91
US$26,910 		1,000 26.91 US$26,910
2023-11-14 2023-11-14 PlS Planned sale
0.9
OLSON LAURIE J
Non-Executive Director
1,500 -9.8%
21.89
US$32,835 		1,500 -9.8% 21.89 US$32,835
2023-09-11 2023-09-08 B Purchase
2.6
DONNELLY WILLIAM P
Non-Executive Director
20,200 +245.2%
24.85
US$501,978 		20,200 +245.2% 24.85 US$501,978
2022-08-16 2022-08-15 B Purchase
3.0
DOYLE MICHAEL A

CFO and Treasurer

Officer
15,000 +44.6%
10.16
US$152,418 		15,000 +44.6% 10.16 US$152,418
2022-08-16 2022-08-12 B Purchase
3.8
Toloue Masoud

President & CEO

Executive Director
105,000 +129.9%
10.43
US$1,095,150 		105,000 +129.9% 10.43 US$1,095,150
2022-08-16 2022-08-12 B Purchase
3.0
DOYLE MICHAEL A

CFO and Treasurer

Officer
15,000 +80.6%
10.43
US$156,502 		15,000 +80.6% 10.43 US$156,502
2022-08-11 2022-08-11 B Purchase
3.4
Hlavinka Sarah E.
Non-Executive Director
4,760 +22.1%
10.46
US$49,788 		4,760 +22.1% 10.46 US$49,788
2022-08-11 2022-08-11 B Purchase
3.4
Hlavinka Sarah E.
Non-Executive Director
5,400 +33.5%
9.38
US$50,652 		5,400 +33.5% 9.38 US$50,652
2022-08-10 2022-08-10 B Purchase
4.1
Madaus Martin D
Non-Executive Director
89,667 +54.4%
8.43
US$755,543 		89,667 +54.4% 8.43 US$755,543
2022-08-10 2022-08-10 B Purchase
3.7
WALT DAVID R
Non-Executive Director
150,000 +11.7%
8.62
US$1,293,495 		150,000 +11.7% 8.62 US$1,293,495
2022-08-10 2022-08-10 B Purchase
3.9
MEISTER PAUL M
Non-Executive Director
47,957 +23.4%
8.61
US$412,780 		47,957 +23.4% 8.61 US$412,780
2022-08-10 2022-08-10 B Purchase
3.9
MEISTER PAUL M
Non-Executive Director
186,347 +1017.9%
8.51
US$1,585,533 		186,347 +1017.9% 8.51 US$1,585,533
2022-08-03 2022-08-01 S Sale
3.8
Toloue Masoud

President & CEO

Executive Director
446 -0.5%
15.61
US$6,964 		446 -0.5% 15.61 US$6,964
2022-08-03 2022-08-01 S Sale
3.0
DOYLE MICHAEL A

CFO and Treasurer

Officer
37 -0.2%
15.61
US$578 		37 -0.2% 15.61 US$578
2022-08-03 2022-08-01 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
401 -1.1%
15.61
US$6,261 		401 -1.1% 15.61 US$6,261
2022-08-03 2022-07-13 S Sale
3.0
DOYLE MICHAEL A

CFO and Treasurer

Officer
434 -2.3%
18.16
US$7,879 		434 -2.3% 18.16 US$7,879
2022-07-06 2022-07-05 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
387 -1.0%
16.57
US$6,412 		387 -1.0% 16.57 US$6,412
2022-07-06 2022-07-05 S Sale
3.4
HRUSOVSKY E KEVIN

Executive Chairman

Executive Director
960 -0.1%
16.57
US$15,906 		960 -0.1% 16.57 US$15,906
2022-07-06 2022-07-05 S Sale
3.8
Toloue Masoud

President & CEO

Executive Director
432 -0.5%
16.57
US$7,158 		432 -0.5% 16.57 US$7,158
2022-06-14 2022-06-13 S Sale
3.8
Toloue Masoud

President & CEO

Executive Director
5,564 -6.4%
15.27
US$84,955 		5,564 -6.4% 15.27 US$84,955
2022-06-03 2022-06-02 S Sale
3.4
HRUSOVSKY E KEVIN

Executive Chairman

Executive Director
712 -0.1%
17.47
US$12,441 		712 -0.1% 17.47 US$12,441
2022-06-03 2022-06-02 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
378 -1.0%
17.47
US$6,605 		378 -1.0% 17.47 US$6,605
2022-05-03 2022-05-02 S Sale
3.4
HRUSOVSKY E KEVIN

Executive Chairman

Executive Director
127 -0.0%
22.68
US$2,881 		127 -0.0% 22.68 US$2,881
2022-05-03 2022-05-02 S Sale
3.4
HRUSOVSKY E KEVIN

Executive Chairman

Executive Director
522 -0.1%
22.29
US$11,634 		522 -0.1% 22.29 US$11,634
2022-05-03 2022-05-02 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
84 -0.2%
22.68
US$1,905 		84 -0.2% 22.68 US$1,905
2022-05-03 2022-05-02 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
345 -0.9%
22.29
US$7,689 		345 -0.9% 22.29 US$7,689
2022-04-05 2022-04-01 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
524 -1.7%
29.79
US$15,611 		524 -1.7% 29.79 US$15,611
2022-04-05 2022-04-01 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
171 -0.8%
29.79
US$5,095 		171 -0.8% 29.79 US$5,095
2022-04-05 2022-04-01 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
261 -0.7%
29.79
US$7,776 		261 -0.7% 29.79 US$7,776
2022-04-05 2022-04-01 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
868 -0.1%
29.79
US$25,860 		868 -0.1% 29.79 US$25,860
2022-03-28 2022-03-23 PlS Planned sale
2.5
Duffy David C.

SVP R&D and CTO

Officer
3,266 -5.6%
30.00
US$97,980 		3,266 -5.6% 30.00 US$97,980
2022-03-03 2022-03-01 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
71 -0.2%
32.15
US$2,283 		71 -0.2% 32.15 US$2,283
2022-03-03 2022-03-01 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
196 -0.5%
31.21
US$6,116 		196 -0.5% 31.21 US$6,116
2022-03-03 2022-03-01 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
158 -0.0%
32.15
US$5,080 		158 -0.0% 32.15 US$5,080
2022-03-03 2022-03-01 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
431 -0.0%
31.21
US$13,450 		431 -0.0% 31.21 US$13,450
2022-03-03 2022-03-01 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
99 -0.3%
32.15
US$3,183 		99 -0.3% 32.15 US$3,183
2022-03-03 2022-03-01 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
272 -0.9%
31.21
US$8,488 		272 -0.9% 31.21 US$8,488
2022-03-03 2022-03-01 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
44 -0.2%
32.15
US$1,415 		44 -0.2% 32.15 US$1,415
2022-03-03 2022-03-01 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
122 -0.5%
31.21
US$3,807 		122 -0.5% 31.21 US$3,807
2022-02-09 2022-02-09 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
1,364 -0.2%
34.97
US$47,697 		1,364 -0.2% 34.97 US$47,697
2022-02-09 2022-02-09 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
481 -1.5%
34.97
US$16,820 		481 -1.5% 34.97 US$16,820
2022-02-09 2022-02-09 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
318 -0.8%
34.97
US$11,120 		318 -0.8% 34.97 US$11,120
2022-02-09 2022-02-09 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
292 -1.3%
34.97
US$10,211 		292 -1.3% 34.97 US$10,211
2022-02-04 2022-02-04 PlS Planned sale
2.5
Duffy David C.

SVP R&D and CTO

Officer
3,266 -5.3%
30.91
US$100,952 		3,266 -5.3% 30.91 US$100,952
2022-02-04 2022-02-02 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
99 -0.3%
32.15
US$3,183 		99 -0.3% 32.15 US$3,183
2022-02-04 2022-02-02 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
272 -0.9%
31.21
US$8,488 		272 -0.9% 31.21 US$8,488
2022-02-04 2022-02-02 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
158 -0.0%
32.15
US$5,080 		158 -0.0% 32.15 US$5,080
2022-02-04 2022-02-02 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
431 -0.0%
31.21
US$13,450 		431 -0.0% 31.21 US$13,450
2022-02-04 2022-02-02 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
71 -0.2%
32.15
US$2,283 		71 -0.2% 32.15 US$2,283
2022-02-04 2022-02-02 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
196 -0.5%
31.21
US$6,116 		196 -0.5% 31.21 US$6,116
2022-02-04 2022-02-02 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
44 -0.2%
32.15
US$1,415 		44 -0.2% 32.15 US$1,415
2022-02-04 2022-02-02 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
122 -0.5%
31.21
US$3,807 		122 -0.5% 31.21 US$3,807
2022-01-31 2022-01-31 PlS Planned sale
2.5
Duffy David C.

SVP R&D and CTO

Officer
3,266 -5.1%
30.00
US$97,980 		3,266 -5.1% 30.00 US$97,980
2022-01-05 2022-01-03 S Sale
4.1
Mattoon Dawn

Sr. VP, Diagnostics

Officer
355 -0.9%
41.91
US$14,877 		355 -0.9% 41.91 US$14,877
2022-01-05 2022-01-03 S Sale
3.0
Roskey Mark T.

SVP, Strategic Partnerships

Officer
149 -0.6%
41.91
US$6,244 		149 -0.6% 41.91 US$6,244
2022-01-05 2022-01-03 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
3,715 -0.4%
41.91
US$155,683 		3,715 -0.4% 41.91 US$155,683
2022-01-05 2022-01-03 S Sale
4.0
Fry John J

General Counsel & Secretary

Officer
352 -1.1%
41.91
US$14,751 		352 -1.1% 41.91 US$14,751
2021-12-03 2021-12-01 S Sale
3.4
HRUSOVSKY E KEVIN

Chairman and CEO

Executive Director
131 -0.0%
41.00
US$5,371 		131 -0.0% 41.00 US$5,371
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