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 |
| 2025-06-02 Purchase |
2025-06-03 5:39 pm |
Cytek Biosciences Inc. | CTKB | McCombe William D. Chief Financial Officer |
35,000 | $2.78 | $97,300 | 55,746 (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 |
| 2025-06-18 Option Award |
2025-06-20 4:31 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Chin Richard Director |
112,351 | $0 | 112,351 (Direct) |
View |
| 2025-06-18 Option Award |
2025-06-20 4:25 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | NEFF DEBORAH J Director |
67,782 | $0 | 67,782 (Direct) |
View |
| 2025-06-18 Option Award |
2025-06-20 4:20 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Ball Jack Director |
67,782 | $0 | 67,782 (Direct) |
View |
| 2025-06-18 Option Award |
2025-06-20 4:18 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Holder Michael Director |
67,782 | $0 | 67,782 (Direct) |
View |
| 2025-06-18 Option Award |
2025-06-20 4:15 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Imper Vera Director |
67,782 | $0 | 67,782 (Direct) |
View |
| 2025-06-05 Exercise |
2025-06-09 5:11 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Imper Vera Director |
15,706 | $0 | 15,706 (Direct) |
View |
| 2025-06-05 Exercise |
2025-06-09 5:08 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | HARDISON DON M Director |
15,706 | $0 | 15,706 (Direct) |
View |
| 2025-06-05 Exercise |
2025-06-09 5:04 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Ball Jack Director |
15,706 | $0 | 42,705 (Direct) |
View |
| 2025-06-05 Exercise |
2025-06-09 4:57 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | NEFF DEBORAH J Director |
15,706 | $0 | 15,706 (Direct) |
View |
| 2025-05-19 Tax Withholding |
2025-05-21 5:57 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | McCombe William D. Chief Financial Officer |
13,237 | $2.69 | 296,711 (Direct) |
View |
| 2025-05-19 Exercise |
2025-05-21 5:57 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | McCombe William D. Chief Financial Officer |
33,983 | $0 | 296,711 (Direct) |
View |
| 2025-05-19 Tax Withholding |
2025-05-21 5:55 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
11,855 | $2.69 | 6,061,340 (Direct) |
View |
| 2025-05-19 Exercise |
2025-05-21 5:55 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
48,679 | $0 | 6,061,340 (Direct) |
View |
| 2025-05-19 Tax Withholding |
2025-05-21 5:54 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER |
6,575 | $2.69 | 370,485 (Direct) |
View |
| 2025-05-19 Exercise |
2025-05-21 5:54 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Barnett Valerie CHIEF LEGAL OFFICER |
16,876 | $0 | 370,485 (Direct) |
View |
| 2025-05-19 Tax Withholding |
2025-05-21 5:52 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
1,915 | $2.69 | 111,339 (Direct) |
View |
| 2025-05-19 Exercise |
2025-05-21 5:52 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
4,913 | $0 | 111,339 (Direct) |
View |
| 2025-05-19 Tax Withholding |
2025-05-21 5:50 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
4,356 | $2.69 | 6,258,541 (Direct) |
View |
| 2025-05-19 Exercise |
2025-05-21 5:50 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
14,680 | $0 | 6,258,541 (Direct) |
View |
| 2025-05-19 Exercise |
2025-05-21 5:48 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Holder Michael Director |
1,454 | $0 | 26,178 (Direct) |
View |
| 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 |
| 2025-03-10 Tax Withholding |
2025-03-12 5:53 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
1,947 | $4.36 | 55,250 (Direct) |
View |
| 2025-03-10 Exercise |
2025-03-12 5:53 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
4,995 | $0 | 55,250 (Direct) |
View |
| 2025-03-10 Tax Withholding |
2025-03-12 5:51 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
12,656 | $4.36 | 5,584,370 (Direct) |
View |
| 2025-03-10 Exercise |
2025-03-12 5:51 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
45,175 | $0 | 5,584,370 (Direct) |
View |
| 2025-03-10 Tax Withholding |
2025-03-12 5:49 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
5,096 | $4.36 | 6,157,015 (Direct) |
View |
| 2025-03-10 Exercise |
2025-03-12 5:49 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
17,183 | $0 | 6,157,015 (Direct) |
View |
| 2025-03-10 Exercise |
2025-03-12 5:47 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Holder Michael Director |
2,908 | $0 | 26,178 (Direct) |
View |
| 2025-03-04 Option Award |
2025-03-06 5:58 pm |
N/A 2035-03-04 |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
254,857 | $0 | 254,857 (Direct) |
View |
| 2025-03-04 Option Award |
2025-03-06 5:56 pm |
N/A 2035-03-04 |
Cytek Biosciences Inc. | CTKB | McCombe William D. Chief Financial Officer |
539,698 | $0 | 539,698 (Direct) |
View |
| 2025-03-04 Option Award |
2025-03-06 5:55 pm |
N/A 2035-03-04 |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
1,199,331 | $0 | 1,199,331 (Direct) |
View |
| 2025-03-04 Option Award |
2025-03-06 5:52 pm |
N/A 2035-03-04 |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
149,915 | $0 | 149,915 (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 |
| 2025-02-18 Tax Withholding |
2025-02-20 6:11 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
588 | $5.31 | 6,026,990 (Direct) |
View |
| 2025-02-18 Exercise |
2025-02-20 6:11 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
1,981 | $0 | 6,026,990 (Direct) |
View |
| 2025-02-18 Tax Withholding |
2025-02-20 6:09 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
2,004 | $5.31 | 5,217,180 (Direct) |
View |
| 2025-02-18 Exercise |
2025-02-20 6:09 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
6,758 | $0 | 5,217,180 (Direct) |
View |
| 2024-11-18 Tax Withholding |
2024-11-20 6:25 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
1,460 | $6.03 | 57,197 (Direct) |
View |
| 2024-11-18 Exercise |
2024-11-20 6:25 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Busque Philippe SVP, GLOBAL SALES AND SERVICES |
3,746 | $0 | 57,197 (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 |
| 2024-11-18 Tax Withholding |
2024-11-20 6:21 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
9,897 | $6.03 | 5,623,818 (Direct) |
View |
| 2024-11-18 Exercise |
2024-11-20 6:21 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
40,639 | $0 | 5,623,818 (Direct) |
View |
| 2024-11-18 Tax Withholding |
2024-11-20 6:19 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Poirson Allen SVP BUS. AND CORP. DEV. |
2,015 | $6.03 | 112,090 (Direct) |
View |
| 2024-11-18 Exercise |
2024-11-20 6:19 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Poirson Allen SVP BUS. AND CORP. DEV. |
5,171 | $0 | 112,090 (Direct) |
View |
| 2024-11-18 Tax Withholding |
2024-11-20 6:18 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
3,622 | $6.03 | 6,169,974 (Direct) |
View |
| 2024-11-18 Exercise |
2024-11-20 6:18 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Yan Ming CHIEF TECHNOLOGY OFFICER |
14,869 | $0 | 6,169,974 (Direct) |
View |
| 2024-11-18 Exercise |
2024-11-20 6:16 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Holder Michael Director |
2,181 | $0 | 26,178 (Direct) |
View |
| 2024-09-14 Gift |
2024-09-16 6:26 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
200,000 | $0 | 5,156,896 (Direct) |
View |
| 2024-08-19 Exercise |
2024-08-21 6:28 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Holder Michael Director |
1,454 | $0 | 26,178 (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 |
| 2024-08-19 Tax Withholding |
2024-08-21 6:24 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
9,897 | $5.53 | 5,833,715 (Direct) |
View |
| 2024-08-19 Exercise |
2024-08-21 6:24 pm |
N/A N/A |
Cytek Biosciences Inc. | CTKB | Jiang Wenbin PRESIDENT AND CEO |
40,639 | $0 | 5,833,715 (Direct) |
View |