List of insiders holdings for Cytek Biosciences Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Jiang Wenbin PRESIDENT AND CEO | 2026-05-20 17:50:32 | 6,884,513 0 | 6,884,513 | Form 4 |
| 2 | Yan Ming CHIEF TECHNOLOGY OFFICER | 2026-06-16 16:59:02 | 4,796,688 0 | 4,796,688 | Form 4 |
| 3 | Barnett Valerie CHIEF LEGAL OFFICER | 2026-05-20 17:45:03 | 559,300 0 | 559,300 | Form 4 |
| 4 | McCombe William D. Chief Financial Officer | 2026-05-20 17:48:07 | 555,750 0 | 555,750 | Form 4 |
| 5 | DENG FENG Director | 2021-07-27 20:57:18 | 0 443,800 | 443,800 | Form 4 |
| 6 | Busque Philippe SVP, GLOBAL SALES AND SERVICES | 2026-05-20 17:53:08 | 234,080 0 | 234,080 | Form 4 |
| 7 | Williams Paul Christopher CHIEF OPERATING OFFICER | 2024-08-21 18:21:19 | 161,758 0 | 161,758 | Form 4 |
| 8 | Jeanmonod Patrik CHIEF FINANCIAL OFFICER | 2024-03-13 18:44:49 | 141,647 0 | 141,647 | Form 4 |
| 9 | Holder Michael Director | 2026-06-12 19:22:00 | 112,288 0 | 112,288 | Form 4 |
| 10 | Poirson Allen SVP BUS. AND CORP. DEV. | 2024-11-20 18:19:56 | 112,090 0 | 112,090 | Form 4 |
| 11 | NEFF DEBORAH J Director | 2026-06-12 19:23:55 | 111,273 0 | 111,273 | Form 4 |
| 12 | Imper Vera Director | 2026-06-12 19:25:57 | 111,273 0 | 111,273 | Form 4 |
| 13 | Ball Jack Director | 2026-06-12 19:34:18 | 86,678 0 | 86,678 | Form 4 |
| 14 | MUIR GLENN P Director | 2026-06-12 19:31:29 | 85,390 0 | 85,390 | Form 4 |
| 15 | Garland Jonathan Todd Chief Commercial Officer | 2023-08-21 20:10:09 | 69,804 0 | 69,804 | Form 4 |
| 16 | Chin Richard Director | 2026-06-12 19:27:56 | 51,594 0 | 51,594 | Form 4 |
| 17 | Dion Gisele Director | 2023-06-16 18:36:57 | 30,242 0 | 30,242 | Form 4 |
| 18 | HARDISON DON M Director | 2025-06-09 17:08:59 | 15,706 0 | 15,706 | Form 4 |
| 19 | Cameron Theresa Director | 2021-07-22 21:03:22 | 0 0 | 0 | Form 3 |
| 20 | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 2025-02-14 18:29:35 | 0 0 | 0 | Form 13G |