Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-09-12 Purchase | 2025-09-17 10:24 am | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 4,150 | $4.79 | $19,879 | 87,200 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-01-19 Option Award | 2026-01-21 4:15 pm | N/A 2030-01-20 | Quanterix Corp | QTRX | Cunningham Everett President and CEO | 1,883,750 | $0 | 2,697,500 (Direct) | View |
| 2026-01-16 Tax Withholding | 2026-01-20 4:37 pm | N/A N/A | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 274 | $7.95 | 86,013 (Direct) | View |
| 2026-01-16 Tax Withholding | 2026-01-20 4:37 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 1,817 | $7.95 | 507,310 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-15 1:56 pm | N/A N/A | Quanterix Corp | QTRX | MEISTER PAUL M Director | 3,974 | $0 | 313,253 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-15 12:29 pm | N/A N/A | Quanterix Corp | QTRX | Magovcevic-Liebisch Ivana Director | 23,372 | $0 | 43,607 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-14 11:01 am | N/A N/A | Quanterix Corp | QTRX | Elliott Jeffrey Thomas Director | 23,372 | $0 | 42,792 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 8:11 pm | N/A N/A | Quanterix Corp | QTRX | WALT DAVID R Director | 1,215 | $0 | 1,872,890 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 7:16 pm | N/A N/A | Quanterix Corp | QTRX | DONNELLY WILLIAM P Executive Chair | 2,377 | $0 | 150,751 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 5:49 pm | N/A N/A | Quanterix Corp | QTRX | Hampton Malcolm Garret Director | 23,372 | $0 | 70,099 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 5:49 pm | N/A N/A | Quanterix Corp | QTRX | Sachs Alan Bruce Director | 23,372 | $0 | 70,099 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 5:46 pm | N/A N/A | Quanterix Corp | QTRX | LAI GOLDMAN MYLA Director | 25,316 | $0 | 54,804 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 5:45 pm | N/A N/A | Quanterix Corp | QTRX | Mendel Scott Director | 25,316 | $0 | 56,053 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 5:45 pm | N/A N/A | Quanterix Corp | QTRX | Flynn Karen Director | 23,372 | $0 | 57,212 (Direct) | View |
| 2025-12-31 Tax Withholding | 2026-01-05 4:51 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 258 | $6.36 | 508,446 (Direct) | View |
| 2025-12-15 Tax Withholding | 2025-12-18 3:28 pm | N/A N/A | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 229 | $7.41 | 85,977 (Direct) | View |
| 2025-12-15 Tax Withholding | 2025-12-18 3:27 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 1,242 | $7.41 | 508,704 (Direct) | View |
| 2025-11-20 Option Award | 2025-12-08 09:33 am | N/A N/A | Quanterix Corp | QTRX | Sachs Alan Bruce Director | 46,727 | $0 | 46,727 (Direct) | View |
Ownership | 2025-12-08 09:33 am | N/A N/A | Quanterix Corp | QTRX | Sachs Alan Bruce Director | 0 | $0 | 0 (Direct) | View |
| 2025-11-30 Tax Withholding | 2025-12-03 11:53 am | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 254 | $7.26 | 509,946 (Direct) | View |
Ownership | 2025-11-25 2:37 pm | N/A N/A | Quanterix Corp | QTRX | Hampton Malcolm Garret Director | 0 | $0 | 0 (Direct) | View |
| 2025-11-20 Option Award | 2025-11-25 2:37 pm | N/A N/A | Quanterix Corp | QTRX | Hampton Malcolm Garret Director | 46,727 | $0 | 46,727 (Direct) | View |
| 2025-11-20 Option Award | 2025-11-24 7:07 pm | N/A 2035-11-20 | Quanterix Corp | QTRX | DONNELLY WILLIAM P Executive Chair | 70,091 | $0 | 70,091 (Direct) | View |
| 2025-11-15 Tax Withholding | 2025-11-24 2:52 pm | N/A N/A | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 229 | $5.78 | 86,206 (Direct) | View |
| 2025-11-15 Tax Withholding | 2025-11-24 2:51 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 1,242 | $5.74 | 510,200 (Direct) | View |
| 2025-10-31 Tax Withholding | 2025-11-05 1:12 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 254 | $5.34 | 511,442 (Direct) | View |
| 2025-10-15 Tax Withholding | 2025-10-17 9:44 pm | N/A N/A | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 229 | $5.78 | 86,742 (Direct) | View |
| 2025-10-15 Tax Withholding | 2025-10-17 9:43 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 1,242 | $5.78 | 511,696 (Direct) | View |
| 2025-10-01 Option Award | 2025-10-03 8:54 pm | N/A N/A | Quanterix Corp | QTRX | LAI GOLDMAN MYLA Director | 2,084 | $5.54 | 29,488 (Direct) | View |
| 2025-10-01 Option Award | 2025-10-03 8:54 pm | N/A N/A | Quanterix Corp | QTRX | DONNELLY WILLIAM P Director | 5,076 | $5.54 | 148,374 (Direct) | View |
| 2025-10-01 Option Award | 2025-10-03 8:53 pm | N/A N/A | Quanterix Corp | QTRX | Mendel Scott Director | 2,084 | $5.54 | 30,737 (Direct) | View |
| 2025-10-01 Option Award | 2025-10-03 8:04 pm | N/A N/A | Quanterix Corp | QTRX | WALT DAVID R Director | 2,594 | $5.54 | 1,871,675 (Direct) | View |
| 2025-09-30 Tax Withholding | 2025-10-02 7:31 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 254 | $5.43 | 512,938 (Direct) | View |
| 2025-09-15 Tax Withholding | 2025-09-17 8:11 pm | N/A N/A | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 229 | $4.97 | 86,971 (Direct) | View |
| 2025-09-15 Tax Withholding | 2025-09-17 8:10 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 1,242 | $4.97 | 513,192 (Direct) | View |
| 2025-08-31 Tax Withholding | 2025-09-03 10:31 am | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 254 | $4.55 | 514,434 (Direct) | View |
| 2025-08-15 Tax Withholding | 2025-08-19 4:38 pm | N/A N/A | Quanterix Corp | QTRX | Sriram Vandana Chief Financial Officer | 229 | $4.57 | 83,050 (Direct) | View |
| 2025-08-15 Tax Withholding | 2025-08-19 4:36 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 1,242 | $4.57 | 514,688 (Direct) | View |
| 2025-07-31 Tax Withholding | 2025-08-04 4:03 pm | N/A N/A | Quanterix Corp | QTRX | Toloue Masoud President & CEO | 254 | $5.94 | 515,930 (Direct) | View |