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 |
2021-05-03 Sale | 2021-05-05 9:15 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 178 | $57.86 | $10,299 | 30,222 (Direct) | View |
2021-04-01 Sale | 2021-04-05 4:07 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 165 | $62.52 | $10,316 | 30,400 (Direct) | View |
2021-03-01 Sale | 2021-03-03 4:08 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 166 | $81.33 | $13,500 | 30,565 (Direct) | View |
2021-02-19 Sale | 2021-02-23 4:45 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 733 | $90.33 | $66,212 | 30,423 (Direct) | View |
2021-02-01 Sale | 2021-02-02 8:04 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 133 | $68.26 | $9,078 | 25,367 (Direct) | View |
2021-01-05 Sale | 2021-01-06 4:23 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 124 | $44.13 | $5,472 | 25,500 (Direct) | View |
2020-12-01 Sale | 2020-12-03 4:40 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 115 | $43.75 | $5,031 | 25,624 (Direct) | View |
2020-11-02 Sale | 2020-11-03 4:04 pm | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 116 | $36.97 | $4,288 | 25,261 (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 |
2025-05-12 Tax Withholding | 2025-05-14 5:22 pm | N/A N/A | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 239 | $366.67 | 5,224 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 6:02 pm | N/A N/A | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 1,076 | $371.79 | 5,368 (Direct) | View |
2025-02-05 Option Award | 2025-02-07 5:01 pm | 2026-02-05 2035-02-05 | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 8,437 | $0 | 10,731 (Direct) | View |
2024-05-13 Tax Withholding | 2024-05-14 3:29 pm | N/A N/A | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 145 | $349.28 | 2,294 (Direct) | View |
2024-02-07 Option Award | 2024-02-09 10:18 am | 2025-02-07 2034-02-07 | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 8,228 | $0 | 10,620 (Direct) | View |
2023-05-12 Tax Withholding | 2023-05-15 08:57 am | N/A N/A | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 145 | $271 | 2,392 (Direct) | View |
2023-02-08 Option Award | 2023-02-10 5:18 pm | 2024-02-08 2033-02-08 | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 7,727 | $0 | 10,191 (Direct) | View |
2022-05-12 Tax Withholding | 2022-05-13 09:37 am | N/A N/A | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 145 | $313.95 | 2,396 (Direct) | View |
2022-02-17 Option Award | 2022-02-22 10:44 am | 2023-02-17 2032-02-17 | WATERS CORP | WAT | Chaubal Amol SVP & Chief Financial Officer | 8,883 | $0 | 11,424 (Direct) | View |
2021-05-12 Option Award | 2021-05-13 4:15 pm | N/A N/A | WATERS CORP | WAT | Chaubal Amol SVP and Chief Financial Office | 2,470 | $0 | 11,062 (Direct) | View |
2021-05-12 Option Award | 2021-05-13 4:15 pm | 2022-05-12 2031-05-12 | WATERS CORP | WAT | Chaubal Amol SVP and Chief Financial Office | 8,592 | $303.64 | 11,062 (Direct) | View |
2021-02-08 Option Award | 2021-02-10 4:10 pm | N/A 2031-02-08 | Quanterix Corp | QTRX | Chaubal Amol Chief Financial Officer | 19,296 | $0 | 44,663 (Direct) | View |