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Quanterix Corp

QTRX Balanced
CIK 0001503274 #4122 in the set updated 17 Sep 2026
Bought (120 mo)
$22.52M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$34.43M
$94.83K on a plan · $12.63M straight out of an exercise
Sold at will
$21.71M
421 of 553 sales
Net
−$11.92M
+$810.37K against sales at will

By person

40 insiders · 590 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
HRUSOVSKY E KEVIN
Executive Chairman
$510.00K (1)
$15.57M (177)
−$15.06M
910,249
1.92%
$2.67M
+5.8%
WALT DAVID R
Director
$7.94M (8)
+$7.94M
1,872,890
3.96%
$5.49M
+372.1%
DEKKERS MARIJN E
Director
$5.23M (11) scheduled
−$5.23M
2,270
0.0048%
$6.65K
−94.3%
ARCH VENTURE FUND VI LP entity
10% owner
$3.99M (1)
+$3.99M
1,216,659
2.57%
$3.56M
CRANDELL KEITH
Director
$3.99M (1)
+$3.99M
6,967,992
14.73%
$20.42M
+15.9%
Madaus Martin D
Director
$755.54K (1)
$3.87M (83) scheduled
−$3.11M
456,507
0.9653%
$1.34M
+17.1%
Duffy David C.
SVP R&D and CTO
$2.39M (37)
−$2.39M
54,730
0.1157%
$160.36K
+75.9%
Mattoon Dawn
Sr. VP, Diagnostics
$2.27M (74) scheduled
−$2.27M
36,876
0.0780%
$108.05K
MEISTER PAUL M
Director
$2.00M (2)
+$2.00M
313,253
0.6624%
$917.83K
DRISCOLL JOSEPH
Chief Financial Officer
$1.87M (9) scheduled
−$1.87M
4,388
0.0093%
$12.86K
Toloue Masoud
President & CEO
$1.55M (3)
$99.08K (3)
+$1.45M
507,310
1.07%
$1.49M
+74,395%
Orticerio Ernest
SVP Finance and Corporate Dev
$1.43M (7) scheduled
−$1.43M
48,802
0.1032%
$142.99K
DONNELLY WILLIAM P
Director
$1.29M (4)
+$1.29M
261,801
0.5536%
$767.08K
Roskey Mark T.
SVP, Strategic Partnerships
$949.26K (67) scheduled
−$949.26K
22,325
0.0472%
$65.41K
+1,036%
Fry John J
General Counsel & Secretary
$429.02K (50)
−$429.02K
37,671
0.0797%
$110.38K
+1,994%
DOYLE MICHAEL A
CFO and Treasurer
$308.92K (2)
$8.46K (2)
+$300.46K
88,332
0.1868%
$258.81K
Chaubal Amol
Chief Financial Officer
$175.20K (28)
−$175.20K
30,222
0.0639%
$88.55K
+3,745%
OLSON LAURIE J
Director
$145.24K (5) scheduled
−$145.24K
13,738
0.0290%
$40.25K
Hlavinka Sarah E.
Director
$100.44K (2)
+$100.44K
60,070
0.1270%
$176.01K
Connolly John M
Director
$49.63K (1)
+$49.63K
9,510
0.0201%
$27.86K
Sriram Vandana
Chief Financial Officer
$19.88K (1)
+$19.88K
31,283
0.0661%
$91.66K
Meadows Benjamin
Chief Commercial Officer
$9.70K (1)
+$9.70K
3,500
0.0074%
$10.26K
BAIN CAPITAL VENTURE INVESTORS, LLC entity
10% owner
2,136,085
4.52%
$6.26M
bioMerieux/ADR
10% owner
2,055,632
4.35%
$6.02M
Flagship Ventures Fund 2004 L P entity
10% owner
2,030,495
4.29%
$5.95M
Hampton Malcolm Garret
Director
70,099
0.1482%
$205.39K
Sachs Alan Bruce
Director
70,099
0.1482%
$205.39K
Flynn Karen
Director
57,212
0.1210%
$167.63K
Geist William
Chief Operating Officer
44,951
0.0950%
$131.71K
Magovcevic-Liebisch Ivana
Director
43,607
0.0922%
$127.77K
Miller Michael Francis
Chief Technology Officer
38,452
0.0813%
$112.66K
+27.1%
Streeter Jackson
SVP, Corp Dev & Strategy
32,515
0.0688%
$95.27K
Mendel Scott
Director
24,056
0.0509%
$70.48K
Blaser Brian J.
Director
19,049
0.0403%
$55.81K
Elliott Jeffrey Thomas
Director
15,345
0.0324%
$44.96K
LAI GOLDMAN MYLA
Director
15,041
0.0318%
$44.07K
Desjourdy Amee
Chief Human Resource Officer
11,834
0.0250%
$34.67K
BAL BRUCE J
VP of Ops, Service and Quality
5,485
0.0116%
$16.07K
Stetson Shawn
Interim CFO and Treasurer
4,712
0.0100%
$13.81K
+43.3%
Cole Douglas G.
Director
4,540
0.0096%
$13.30K
Insider
Date
Role
Action
Shares
Price
Amount
OLSON LAURIE J
1 Apr 2024
Director
Sold after exercise
1,000
$23.50
$23.50K
OLSON LAURIE J
2 Jan 2024
Director
Sold after exercise
1,000
$26.91
$26.91K
Mattoon Dawn
5 Nov 2021
Sr. VP, Diagnostics
Sold after exercise
200
$58.39
$11.68K
Mattoon Dawn
5 Nov 2021
Sr. VP, Diagnostics
Sold after exercise
8,335
$57.25
$477.17K
Mattoon Dawn
1 Jul 2021
Sr. VP, Diagnostics
Sold after exercise
3,361
$58.91
$198.00K
Mattoon Dawn
1 Jul 2021
Sr. VP, Diagnostics
Sold after exercise
5,093
$58.07
$295.77K
DEKKERS MARIJN E
7 Jun 2021
Director
Sold after exercise
4,691
$56.24
$263.84K
DEKKERS MARIJN E
7 Jun 2021
Director
Sold after exercise
4,360
$55.58
$242.31K
Mattoon Dawn
7 Jun 2021
Sr. VP, Diagnostics
Sold after exercise
6,666
$62.00
$413.29K
Mattoon Dawn
7 Jun 2021
Sr. VP, Diagnostics
Sold after exercise
6,883
$57.00
$392.33K
DEKKERS MARIJN E
4 Jun 2021
Director
Sold after exercise
7,610
$55.05
$418.92K
Showing 250 of 590 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 656
Amendments (4/A) skipped 7
Filings about a different issuer 0
Unreadable filings 0
Joint filings 4
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 129
Sales at will 421
Transactions with no price 0
Shares from compensation/vesting 20,915,437
Sales filed before the plan box existed 421
History held since 11 Dec 2017