Insider Transactions last 24 months for Quanterix Corporation - NSDQ: QTRX
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Sriram Vandana Chief Financial Officer 03/15/2026 DF Direct COM 371 $4.72 $1,751.12 27,428 Sriram Vandana Chief Financial Officer 03/15/2026 AM Direct COM 1,056 $0.00 $0.00 27,799 Sriram Vandana Chief Financial Officer 03/15/2026 DF Direct COM 181 $4.72 $854.32 26,743 Sriram Vandana Chief Financial Officer 03/15/2026 AM Direct COM 514 $0.00 $0.00 26,924 Sriram Vandana Chief Financial Officer 03/15/2026 DF Direct COM 93 $4.72 $438.96 26,410 Sriram Vandana Chief Financial Officer 03/15/2026 AM Direct COM 263 $0.00 $0.00 26,503 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 293 $4.72 $1,382.96 31,271 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 834 $0.00 $0.00 31,564 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 131 $4.72 $618.32 30,730 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 372 $0.00 $0.00 30,861 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 48 $4.72 $226.56 30,489 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 135 $0.00 $0.00 30,537 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 48 $4.72 $226.56 30,402 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 136 $0.00 $0.00 30,450 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 29 $4.72 $136.88 30,314 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 81 $0.00 $0.00 30,343 Sriram Vandana Chief Financial Officer 02/15/2026 DF Direct COM 92 $5.74 $528.08 26,240 Sriram Vandana Chief Financial Officer 02/15/2026 AM Direct COM 263 $0.00 $0.00 26,332 Sriram Vandana Chief Financial Officer 02/15/2026 DF Direct COM 179 $5.74 $1,027.46 26,069 Sriram Vandana Chief Financial Officer 02/15/2026 AM Direct COM 514 $0.00 $0.00 26,248 Sriram Vandana Chief Financial Officer 02/04/2026 DF Direct COM 4,395 $0.00 $0.00 81,618 Toloue Masoud President & CEO 01/15/2026 DF Direct COM 1,817 $7.95 $14,445.15 507,310 Sriram Vandana Chief Financial Officer 01/15/2026 DF Direct COM 274 $7.95 $2,178.30 86,013 Meister Paul M Director 01/02/2026 AA Direct COM 3,974 $0.00 $0.00 313,253 Lai Goldman Myla Director 01/02/2026 AA Direct COM 1,944 $0.00 $0.00 54,804
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Meister Paul M Director 01/02/2026 AA Direct COM 3,974 $0.00 $0.00 313,253 Lai Goldman Myla Director 01/02/2026 AA Direct COM 1,944 $0.00 $0.00 54,804 Lai Goldman Myla Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 52,860 Walt David R Director 01/02/2026 AA Direct COM 1,215 $0.00 $0.00 1,872,890 Donnelly William P Executive Chair 01/02/2026 AA Direct COM 2,377 $0.00 $0.00 150,751 Magovcevic-Liebisch Ivana Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 43,607 Mendel Scott Director 01/02/2026 AA Direct COM 1,944 $0.00 $0.00 56,053 Mendel Scott Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 54,109 Flynn Karen Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 57,212 Elliott Jeffrey Thomas Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 42,792 Hampton Malcolm Garret Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 70,099 Sachs Alan Bruce Director 01/02/2026 AA Direct COM 23,372 $0.00 $0.00 70,099 Hampton Malcolm Garret Director 11/20/2025 AA Direct COM 46,727 $0.00 $0.00 46,727 Sachs Alan Bruce Director 11/20/2025 AA Direct COM 46,727 $0.00 $0.00 46,727 Lai Goldman Myla Director 10/01/2025 AA Direct COM 2,084 $5.54 $11,545.36 29,488 Walt David R Director 10/01/2025 AA Direct COM 2,594 $5.54 $14,370.76 1,871,675 Donnelly William P Director 10/01/2025 AA Direct COM 5,076 $5.54 $28,121.04 148,374 Mendel Scott Director 10/01/2025 AA Direct COM 2,084 $5.54 $11,545.36 30,737 Sriram Vandana Chief Financial Officer 09/12/2025 AP Direct COM 4,150 $4.79 $19,878.50 87,200 Mendel Scott Director 07/08/2025 AA Direct COM 24,464 $0.00 $0.00 28,653 Mendel Scott Director 07/08/2025 AA Direct COM 4,189 $0.00 $0.00 4,189 Lai Goldman Myla Director 07/08/2025 AA Direct COM 24,464 $0.00 $0.00 27,404 Lai Goldman Myla Director 07/08/2025 AA Direct COM 2,940 $0.00 $0.00 2,940 Walt David R Director 07/01/2025 AA Direct COM 2,148 $6.69 $14,370.12 1,869,081 Donnelly William P Director 07/01/2025 AA Direct COM 4,204 $6.69 $28,124.76 143,298
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Sriram Vandana Chief Financial Officer 03/15/2026 DF Direct COM 371 $4.72 $1,751.12 27,428 Sriram Vandana Chief Financial Officer 03/15/2026 DF Direct COM 181 $4.72 $854.32 26,743 Sriram Vandana Chief Financial Officer 03/15/2026 DF Direct COM 93 $4.72 $438.96 26,410 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 293 $4.72 $1,382.96 31,271 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 131 $4.72 $618.32 30,730 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 48 $4.72 $226.56 30,489 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 48 $4.72 $226.56 30,402 Miller Michael Francis Chief Operating Officer 03/15/2026 DF Direct COM 29 $4.72 $136.88 30,314 Sriram Vandana Chief Financial Officer 02/15/2026 DF Direct COM 92 $5.74 $528.08 26,240 Sriram Vandana Chief Financial Officer 02/15/2026 DF Direct COM 179 $5.74 $1,027.46 26,069 Sriram Vandana Chief Financial Officer 02/04/2026 DF Direct COM 4,395 $0.00 $0.00 81,618 Toloue Masoud President & CEO 01/15/2026 DF Direct COM 1,817 $7.95 $14,445.15 507,310 Sriram Vandana Chief Financial Officer 01/15/2026 DF Direct COM 274 $7.95 $2,178.30 86,013 Toloue Masoud President & CEO 12/31/2025 DF Direct COM 258 $6.36 $1,640.88 508,446 Toloue Masoud President & CEO 12/15/2025 DF Direct COM 1,242 $7.41 $9,203.22 508,704 Sriram Vandana Chief Financial Officer 12/15/2025 DF Direct COM 229 $7.41 $1,696.89 85,977 Toloue Masoud President & CEO 11/30/2025 DF Direct COM 254 $7.26 $1,844.04 509,946 Toloue Masoud President & CEO 11/15/2025 DF Direct COM 1,242 $5.74 $7,129.08 510,200 Sriram Vandana Chief Financial Officer 11/15/2025 DF Direct COM 229 $5.78 $1,323.62 86,206 Toloue Masoud President & CEO 10/31/2025 DF Direct COM 254 $5.34 $1,356.36 511,442 Toloue Masoud President & CEO 10/15/2025 DF Direct COM 1,242 $5.78 $7,178.76 511,696 Sriram Vandana Chief Financial Officer 10/15/2025 DF Direct COM 229 $5.78 $1,323.62 86,742 Toloue Masoud President & CEO 09/30/2025 DF Direct COM 254 $5.43 $1,379.22 512,938 Toloue Masoud President & CEO 09/15/2025 DF Direct COM 1,242 $4.97 $6,172.74 513,192 Sriram Vandana Chief Financial Officer 09/15/2025 DF Direct COM 229 $4.97 $1,138.13 86,971
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Sriram Vandana Chief Financial Officer 03/15/2026 AM Direct COM 1,056 $0.00 $0.00 27,799 Sriram Vandana Chief Financial Officer 03/15/2026 AM Direct COM 514 $0.00 $0.00 26,924 Sriram Vandana Chief Financial Officer 03/15/2026 AM Direct COM 263 $0.00 $0.00 26,503 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 834 $0.00 $0.00 31,564 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 372 $0.00 $0.00 30,861 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 135 $0.00 $0.00 30,537 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 136 $0.00 $0.00 30,450 Miller Michael Francis Chief Operating Officer 03/15/2026 AM Direct COM 81 $0.00 $0.00 30,343 Sriram Vandana Chief Financial Officer 02/15/2026 AM Direct COM 263 $0.00 $0.00 26,332 Sriram Vandana Chief Financial Officer 02/15/2026 AM Direct COM 514 $0.00 $0.00 26,248
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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