Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2023-02-09 11:16 am Purchase | 2022-12-30 | 13G | Cytek Biosciences, Inc. CTKB | The Vanguard Group | 7,771,067 5.760% | 7,771,067![]() (New Position) | Filing History |
| 2023-02-03 12:10 pm Purchase | 2022-12-31 | 13G | Cytek Biosciences, Inc. CTKB | BlackRock Inc. BLK | 8,367,607 6.200% | 8,367,607![]() (New Position) | Filing History |
| 2022-08-03 5:26 pm Sale | 2022-08-03 | 13G | Cytek Biosciences, Inc. CTKB | 3E Bioventures Capital L.P. | 5,684,615 4.230% | -4,002,250![]() (-41.32%) | Filing History |
| 2022-03-14 5:04 pm Purchase | 2022-03-10 | 13D | Cytek Biosciences, Inc. CTKB | RA Capital Management, L.P. | 13,139,327 9.800% | 2,057,164![]() (+18.56%) | Filing History |
| 2022-02-28 5:29 pm Purchase | 2022-02-28 | 13D | Cytek Biosciences, Inc. CTKB | RA Capital Management, L.P. | 11,082,163 8.300% | 1,475,135![]() (+15.35%) | Filing History |
| 2022-02-16 6:27 pm Purchase | 2021-12-31 | 13G | Cytek Biosciences, Inc. CTKB | 3E Bioventures Capital L.P. | 9,686,865 7.240% | 9,686,865![]() (New Position) | Filing History |
| 2022-02-14 4:09 pm Purchase | 2021-12-31 | 13G | Cytek Biosciences, Inc. CTKB | HHLR ADVISORS LTD. | 8,757,030 6.500% | 8,757,030![]() (New Position) | Filing History |
| 2022-02-14 2:04 pm Purchase | 2021-12-31 | 13G | Cytek Biosciences, Inc. CTKB | Jiang Wenbin | 8,020,483 5.990% | 8,020,483![]() (New Position) | Filing History |
| 2022-02-14 2:01 pm Purchase | 2021-12-31 | 13G | Cytek Biosciences, Inc. CTKB | Yan Ming | 8,203,358 6.130% | 8,203,358![]() (New Position) | Filing History |
| 2021-08-06 4:30 pm Purchase | 2021-07-27 | 13D | Cytek Biosciences, Inc. CTKB | RA Capital Management, L.P. | 9,607,028 7.200% | 9,607,028![]() (New Position) | Filing History |

