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 |
| 2021-07-22 Purchase | 2021-07-27 9:04 pm | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 1,900 | $17 | $32,300 | 1,900 (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 |
| 2025-03-10 Tax Withholding | 2025-03-12 5:55 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 5,929 | $4.36 | 195,653 (Direct) | View |
| 2025-03-10 Exercise | 2025-03-12 5:55 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 15,221 | $0 | 195,653 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 5:50 pm | N/A 2035-03-04 | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 449,748 | $0 | 449,748 (Direct) | View |
| 2025-02-18 Tax Withholding | 2025-02-20 6:12 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 786 | $5.31 | 71,474 (Direct) | View |
| 2025-02-18 Exercise | 2025-02-20 6:12 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 2,016 | $0 | 71,474 (Direct) | View |
| 2024-11-18 Tax Withholding | 2024-11-20 6:23 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 4,499 | $6.03 | 209,762 (Direct) | View |
| 2024-11-18 Exercise | 2024-11-20 6:23 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 13,432 | $0 | 209,762 (Direct) | View |
| 2024-08-19 Tax Withholding | 2024-08-21 6:26 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 5,046 | $5.53 | 214,261 (Direct) | View |
| 2024-08-19 Exercise | 2024-08-21 6:26 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 13,432 | $0 | 214,261 (Direct) | View |
| 2024-05-20 Tax Withholding | 2024-05-22 6:31 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 3,751 | $5.96 | 215,820 (Direct) | View |
| 2024-05-20 Exercise | 2024-05-22 6:31 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 9,626 | $0 | 215,820 (Direct) | View |
| 2024-03-11 Tax Withholding | 2024-03-13 6:39 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 1,912 | $7.22 | 80,351 (Direct) | View |
| 2024-03-11 Exercise | 2024-03-13 6:39 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 4,908 | $0 | 80,351 (Direct) | View |
| 2024-03-06 Option Award | 2024-03-08 6:44 pm | N/A 2034-03-06 | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 307,972 | $0 | 307,972 (Direct) | View |
| 2024-02-20 Tax Withholding | 2024-02-22 5:37 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 786 | $8.38 | 48,631 (Direct) | View |
| 2024-02-20 Exercise | 2024-02-22 5:37 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER | 2,016 | $0 | 48,631 (Direct) | View |
| 2023-11-18 Tax Withholding | 2023-11-21 5:46 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 2,220 | $5.98 | 98,507 (Direct) | View |
| 2023-11-18 Exercise | 2023-11-21 5:46 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 5,697 | $0 | 98,507 (Direct) | View |
| 2023-08-18 Tax Withholding | 2023-08-21 8:14 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 2,220 | $8.46 | 100,727 (Direct) | View |
| 2023-08-18 Exercise | 2023-08-21 8:14 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 5,697 | $0 | 100,727 (Direct) | View |
| 2023-05-18 Tax Withholding | 2023-05-19 7:18 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 1,742 | $6.69 | 101,028 (Direct) | View |
| 2023-05-18 Exercise | 2023-05-19 7:18 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 4,470 | $0 | 101,028 (Direct) | View |
| 2023-03-03 Option Award | 2023-03-07 7:42 pm | N/A 2033-03-03 | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 147,937 | $0 | 147,937 (Direct) | View |
| 2023-02-21 Tax Withholding | 2023-02-23 6:40 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 786 | $10.97 | 43,864 (Direct) | View |
| 2023-02-21 Exercise | 2023-02-23 6:40 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 2,016 | $0 | 43,864 (Direct) | View |
| 2022-11-18 Tax Withholding | 2022-11-22 6:13 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 786 | $14.75 | 44,649 (Direct) | View |
| 2022-11-18 Exercise | 2022-11-22 6:13 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 2,016 | $0 | 44,649 (Direct) | View |
| 2022-08-18 Exercise | 2022-08-19 7:30 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 2,016 | $0 | 45,435 (Direct) | View |
| 2022-08-18 Tax Withholding | 2022-08-19 7:30 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 786 | $14.06 | 45,435 (Direct) | View |
| 2022-05-18 Tax Withholding | 2022-05-20 7:09 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 1,047 | $9.65 | 43,611 (Direct) | View |
| 2022-05-18 Exercise | 2022-05-20 7:09 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 2,688 | $0 | 43,611 (Direct) | View |
| 2022-03-04 Exercise | 2022-03-08 5:51 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 10,500 | $4.71 | 135,230 (Direct) | View |
| 2022-03-04 Exercise | 2022-03-08 5:51 pm | N/A 2031-03-22 | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 10,500 | $0 | 135,230 (Direct) | View |
| 2022-02-28 Option Award | 2022-03-02 5:51 pm | N/A 2032-02-28 | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 80,929 | $0 | 80,929 (Direct) | View |
| 2021-07-22 Option Award | 2021-07-26 9:50 pm | N/A 2031-07-22 | Cytek Biosciences Inc. | CTKB | Barnett Valerie General Counsel | 75,000 | $0 | 75,000 (Direct) | View |
Ownership | 2021-07-22 9:10 pm | N/A 2031-03-22 | Cytek BioSciences Inc. | CTKB | Barnett Valerie General Counsel | 0 | $0 | 133,330 (Direct) | View |