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 |
2023-01-24 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 |
2023-01-19 Sale | 2023-01-20 6:26 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $11.03 | $220,600 | 7,946,833 (Direct) | View |
2023-01-09 Sale | 2023-01-10 6:26 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $10.66 | $213,200 | 7,740,314 (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 |
2022-12-19 Sale | 2022-12-20 7:07 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $10.38 | $207,600 | 7,966,833 (Direct) | View |
2022-12-07 Sale | 2022-12-09 5:57 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $11.86 | $237,200 | 7,760,314 (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 |
2022-11-18 Sale | 2022-11-22 6:15 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $14.66 | $293,200 | 8,011,937 (Direct) | View |
2022-11-14 Sale | 2022-11-16 5:53 pm | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 16,000 | $14.69 | $235,040 | 13,666 (Direct) | View |
2022-11-07 Sale | 2022-11-08 5:44 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $14.76 | $295,200 | 7,785,820 (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 |
2022-10-19 Sale | 2022-10-20 6:18 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $14.42 | $288,400 | 8,005,624 (Direct) | View |
2022-10-07 Sale | 2022-10-11 5:42 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $14.79 | $295,800 | 7,805,820 (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 |
2022-09-19 Sale | 2022-09-20 5:47 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $12.42 | $248,400 | 8,025,624 (Direct) | View |
2022-09-07 Sale | 2022-09-09 8:06 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $12.89 | $257,800 | 7,825,820 (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 |
2022-08-18 Sale | 2022-08-19 7:41 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $13.62 | $272,400 | 8,072,709 (Direct) | View |
2022-08-08 Sale | 2022-08-10 5:59 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $15.09 | $301,800 | 7,841,541 (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 |
2022-07-19 Sale | 2022-07-20 6:14 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $11.83 | $236,600 | 8,064,415 (Direct) | View |
2022-07-07 Sale | 2022-07-08 5:59 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $11.19 | $223,800 | 7,861,541 (Direct) | View |
2022-06-21 Sale | 2022-06-22 7:07 pm | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 20,000 | $10.06 | $201,200 | 8,084,415 (Direct) | View |
2022-06-07 Sale | 2022-06-09 8:08 pm | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 20,000 | $10.75 | $215,000 | 7,881,541 (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 |
2022-12-07 Gift | 2022-12-09 5:57 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 10,000 | $0 | 7,760,314 (Direct) | View |
2022-11-29 Exercise | 2022-11-30 7:39 pm | 2020-10-12 2028-10-12 | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 23,999 | $0 | 26,999 (Direct) | View |
2022-11-29 Exercise | 2022-11-30 7:39 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 10,666 | $0.4 | 26,999 (Direct) | View |
2022-11-29 Exercise | 2022-11-30 7:39 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 13,333 | $0.92 | 26,999 (Direct) | View |
2022-11-18 Exercise | 2022-11-22 6:18 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 6,758 | $0 | 7,875,924 (Direct) | View |
2022-11-18 Tax Withholding | 2022-11-22 6:18 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 2,264 | $14.75 | 7,875,924 (Direct) | View |
2022-11-18 Exercise | 2022-11-22 6:15 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 1,981 | $0 | 8,011,937 (Direct) | View |
2022-11-18 Tax Withholding | 2022-11-22 6:15 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 772 | $14.75 | 8,011,937 (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 |
2022-11-18 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 6:04 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 |
2022-11-18 Exercise | 2022-11-22 6:02 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Poirson Allen SVP Bus. and Corp. Dev. | 790 | $0 | 52,002 (Direct) | View |
2022-11-18 Tax Withholding | 2022-11-22 6:02 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Poirson Allen SVP Bus. and Corp. Dev. | 308 | $14.75 | 52,002 (Direct) | View |
2022-11-14 Exercise | 2022-11-16 5:53 pm | 2020-10-12 2028-10-12 | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 16,000 | $0 | 13,666 (Direct) | View |
2022-11-14 Exercise | 2022-11-16 5:53 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 16,000 | $0.4 | 13,666 (Direct) | View |
2022-10-31 Option Award | 2022-11-02 5:48 pm | N/A 2032-10-31 | Cytek Biosciences Inc. | CTKB | Williams Paul Christopher Chief Operating Officer | 40,709 | $0 | 40,709 (Direct) | View |
2022-08-18 Exercise | 2022-08-19 7:41 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 1,981 | $0 | 8,072,709 (Direct) | View |
2022-08-18 Tax Withholding | 2022-08-19 7:41 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Yan Ming Chief Technology Officer | 772 | $14.06 | 8,072,709 (Direct) | View |
2022-08-18 Exercise | 2022-08-19 7:39 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Poirson Allen SVP Marketing and Corp. Dev. | 790 | $0 | 52,310 (Direct) | View |
2022-08-18 Tax Withholding | 2022-08-19 7:39 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Poirson Allen SVP Marketing and Corp. Dev. | 308 | $14.06 | 52,310 (Direct) | View |
2022-08-18 Exercise | 2022-08-19 7:37 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 6,758 | $0 | 7,938,188 (Direct) | View |
2022-08-18 Tax Withholding | 2022-08-19 7:37 pm | N/A N/A | Cytek Biosciences Inc. | CTKB | Jiang Wenbin President and CEO | 2,479 | $14.06 | 7,938,188 (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 |
2022-08-18 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 |
2022-06-01 Option Award | 2022-06-03 5:38 pm | 2023-06-01 2032-06-01 | Cytek Biosciences Inc. | CTKB | Ball Jack Director | 25,789 | $0 | 25,789 (Direct) | View |
2022-06-01 Option Award | 2022-06-03 5:36 pm | 2023-06-01 2032-06-01 | Cytek Biosciences Inc. | CTKB | Dion Gisele Director | 25,789 | $0 | 25,789 (Direct) | View |
2022-06-01 Option Award | 2022-06-03 5:35 pm | 2023-06-01 2032-06-01 | Cytek Biosciences Inc. | CTKB | Imper Vera Director | 25,789 | $0 | 25,789 (Direct) | View |
2022-06-01 Option Award | 2022-06-03 5:32 pm | N/A 2032-06-01 | Cytek Biosciences Inc. | CTKB | HARDISON DON M Director | 47,013 | $0 | 47,013 (Direct) | View |