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 |
2023-03-24 Sale | 2023-03-24 9:21 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,000 | $8.33 | $24,990 | 111,201 (Direct) | View |
2023-02-24 Sale | 2023-02-28 6:48 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,000 | $11.05 | $33,150 | 114,201 (Direct) | View |
2023-01-24 Sale | 2023-01-25 7:20 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $11.05 | $38,675 | 76,132 (Direct) | View |
2022-12-27 Sale | 2022-12-29 1:03 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $9.77 | $34,195 | 79,632 (Direct) | View |
2022-11-25 Sale | 2022-11-28 6:55 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $14.3 | $50,050 | 83,132 (Direct) | View |
2022-10-24 Sale | 2022-10-25 5:38 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $15.16 | $53,060 | 85,563 (Direct) | View |
2022-09-26 Sale | 2022-09-28 5:38 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $12.63 | $44,205 | 89,063 (Direct) | View |
2022-08-24 Sale | 2022-08-25 6:14 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $13.45 | $47,075 | 92,563 (Direct) | View |
2022-08-01 Sale | 2022-08-03 5:49 pm | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 3,500 | $12.8 | $44,800 | 94,994 (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 |
2023-03-03 Option Award | 2023-03-07 7:47 pm | N/A 2033-03-03 | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 147,937 | $0 | 147,937 (Direct) | View |
2023-02-21 Exercise | 2023-02-23 6:37 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 1,752 | $0 | 137,651 (Direct) | View |
2023-02-21 Tax Withholding | 2023-02-23 6:37 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 683 | $10.97 | 137,651 (Direct) | View |
2022-09-08 Exercise | 2023-02-23 6:34 pm | N/A 2029-01-11 | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 40,000 | $0 | 318,793 (Direct) | View |
2022-09-08 Exercise | 2023-02-23 6:34 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 40,000 | $0.4 | 318,793 (Direct) | View |
2022-11-18 Exercise | 2022-11-22 6:04 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 1,752 | $0 | 108,834 (Direct) | View |
2022-11-18 Tax Withholding | 2022-11-22 6:04 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 683 | $14.75 | 108,834 (Direct) | View |
2022-08-18 Exercise | 2022-08-19 7:33 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 1,752 | $0 | 120,017 (Direct) | View |
2022-08-18 Tax Withholding | 2022-08-19 7:33 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 683 | $14.06 | 120,017 (Direct) | View |
2022-05-18 Tax Withholding | 2022-05-20 7:12 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 910 | $9.65 | 123,129 (Direct) | View |
2022-05-18 Exercise | 2022-05-20 7:12 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 2,336 | $0 | 123,129 (Direct) | View |
2022-02-28 Option Award | 2022-03-02 5:54 pm | N/A 2032-02-28 | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 70,352 | $0 | 70,352 (Direct) | View |
2021-07-22 Option Award | 2021-07-26 9:49 pm | N/A 2031-07-22 | Cytek Biosciences Inc. | CTKB | Jeanmonod Patrik Chief Financial Officer | 125,000 | $0 | 125,000 (Direct) | View |
Ownership | 2021-07-22 9:08 pm | N/A N/A | Cytek BioSciences Inc. | CTKB | Jeanmonod Patrick Chief Financial Officer | 0 | $0 | 377,323 (Direct) | View |