CTKB · Cytek Biosciences Inc. Common Stock
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| RA CAPITAL MANAGEMENT, L.P. Director | ▲ Buy | Open Market | 13,381,054 Shares held | 3/15/2022 | View profile |
| Wenbin Jiang President and CEO | ▼ Sell | Tax Withholding | 5,561,029 Shares held | 8/18/2026 | View profile |
| Ming Yan Chief Technology Officer | ▼ Sell | Tax Withholding | 4,821,870 Shares held | 8/18/2026 | View profile |
| Valerie Barnett General Counsel | ▼ Sell | Tax Withholding | 150,012 Shares held | 5/18/2026 | View profile |
| William D. McCombe Chief Financial Officer | ▼ Sell | Tax Withholding | 134,693 Shares held | 8/18/2026 | View profile |
| Jeanmonod Patrik Chief Financial Officer | ▼ Sell | Tax Withholding | 97,465 Shares held | 3/11/2024 | View profile |
| Jack Ball Director | ▲ Buy | Option Exercise | 86,678 Shares held | 6/10/2026 | View profile |
| Michael Holder Chief Financial Officer | ▲ Buy | Option Exercise | 62,875 Shares held | 8/18/2026 | View profile |
| Poirson Allen SVP Marketing and Corp. Dev. | ▼ Sell | Tax Withholding | 59,981 Shares held | 11/18/2024 | View profile |
| Vera Imper | ▲ Buy | Option Exercise | 59,679 Shares held | 6/10/2026 | View profile |
| Deborah J. Neff | ▲ Buy | Option Exercise | 59,679 Shares held | 6/10/2026 | View profile |
| Philippe Busque SVP, GLOBAL SALES AND SERVICES | ▼ Sell | Tax Withholding | 43,466 Shares held | 5/18/2026 | View profile |
| Richard Chin | ▲ Buy | Option Exercise | 28,499 Shares held | 8/18/2026 | View profile |
| Williams Paul Christopher Chief Operating Officer | ▼ Sell | Tax Withholding | 16,473 Shares held | 8/19/2024 | View profile |
| HARDISON DON M | ▲ Buy | Option Exercise | 15,706 Shares held | 6/5/2025 | View profile |
| Garland Jonathan Todd Chief Commercial Officer | ▼ Sell | Tax Withholding | 8,763 Shares held | 8/18/2023 | View profile |
| Glenn P. Muir Director | ▲ Buy | Option Exercise | 3,086 Shares held | 8/18/2026 | View profile |
Transaction History
| William D. McCombe | ▲ Buy | Option Exercise | 13,051 | — | 8/18/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 4,392 | $21K | 8/18/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 16,049 | — | 8/18/2026 |
| Glenn P. Muir | ▲ Buy | Option Exercise | 3,086 | — | 8/18/2026 |
| Richard Chin | ▲ Buy | Option Exercise | 6,107 | — | 8/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 7,363 | — | 8/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,778 | $8K | 8/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,346 | $6K | 8/18/2026 |
| Michael Holder | ▲ Buy | Option Exercise | 2,181 | — | 8/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 6,162 | — | 8/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 5,525 | — | 8/18/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 5,401 | $25K | 8/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 11,781 | — | 8/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 2,869 | $13K | 8/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 22,100 | — | 8/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 5,382 | $25K | 8/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 29,002 | — | 8/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 7,062 | $33K | 8/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 57,212 | — | 8/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 20,956 | $98K | 8/18/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 6,320 | — | 8/18/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 2,111 | $10K | 8/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,501 | $7K | 8/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 14,220 | — | 8/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 3,463 | $16K | 8/18/2026 |
| Ming Yan | ▼ Sell | Gift | 135,892 | $0 | 6/12/2026 |
| Jack Ball | ▲ Buy | Option Exercise | 43,973 | — | 6/10/2026 |
| Vera Imper | ▲ Buy | Option Exercise | 43,973 | — | 6/10/2026 |
| Deborah J. Neff | ▲ Buy | Option Exercise | 43,973 | — | 6/10/2026 |
| Michael Holder | ▲ Buy | Option Exercise | 43,973 | — | 6/10/2026 |
| Michael Holder | ▲ Buy | Option Exercise | 1,454 | — | 5/18/2026 |
| Richard Chin | ▲ Buy | Option Exercise | 6,107 | — | 5/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 4,908 | — | 5/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,224 | $4K | 5/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 3,683 | — | 5/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 919 | $3K | 5/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 4,108 | — | 5/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,025 | $4K | 5/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 9,480 | — | 5/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 2,364 | $8K | 5/18/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 1,024 | — | 5/18/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 263 | $934 | 5/18/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 1,473 | — | 5/18/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 378 | $1K | 5/18/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 2,416 | — | 5/18/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 620 | $2K | 5/18/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 5,551 | — | 5/18/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 1,424 | $5K | 5/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 7,854 | — | 5/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 1,913 | $7K | 5/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 14,733 | — | 5/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 3,588 | $13K | 5/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 19,334 | — | 5/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 5,032 | $18K | 5/18/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 38,141 | — | 5/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 15,009 | $53K | 5/18/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 6,320 | — | 5/18/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 2,268 | $8K | 5/18/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 8,700 | — | 5/18/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 3,122 | $11K | 5/18/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 10,699 | — | 5/18/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 3,839 | $14K | 5/18/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 2,454 | — | 5/18/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 881 | $3K | 5/18/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 5,156 | — | 5/18/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 1,850 | $7K | 5/18/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 7,250 | — | 5/18/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 2,602 | $9K | 5/18/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 9,435 | — | 5/18/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 3,386 | $12K | 5/18/2026 |
| Ming Yan | ▼ Sell | Gift | 1,176,000 | $0 | 3/13/2026 |
| Richard Chin | ▲ Buy | Option Exercise | 6,107 | — | 3/10/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 4,908 | — | 3/10/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 1,761 | $7K | 3/10/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 10,313 | — | 3/10/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 4,247 | $18K | 3/10/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 14,501 | — | 3/10/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 5,740 | $24K | 3/10/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 2,049 | — | 3/10/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 635 | $3K | 3/10/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 2,946 | — | 3/10/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 912 | $4K | 3/10/2026 |
| Philippe Busque | ▲ Buy | Option Exercise | 4,833 | — | 3/10/2026 |
| Philippe Busque | ▼ Sell | Tax Withholding | 1,496 | $6K | 3/10/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 15,708 | — | 3/10/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 3,825 | $16K | 3/10/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 29,467 | — | 3/10/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 7,747 | $33K | 3/10/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 38,669 | — | 3/10/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 9,416 | $40K | 3/10/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 6,320 | — | 3/10/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 2,603 | $11K | 3/10/2026 |
| William D. McCombe | ▲ Buy | Option Exercise | 17,401 | — | 3/10/2026 |
| William D. McCombe | ▼ Sell | Tax Withholding | 7,145 | $30K | 3/10/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 9,817 | — | 3/10/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 3,047 | $13K | 3/10/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 7,366 | — | 3/10/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 2,287 | $10K | 3/10/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 8,217 | — | 3/10/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 2,397 | $10K | 3/10/2026 |
| Michael Holder | ▲ Buy | Option Exercise | 2,908 | — | 3/10/2026 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 4,514 | — | 2/18/2026 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 1,339 | $6K | 2/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 1,332 | — | 2/18/2026 |
| Ming Yan | ▼ Sell | Tax Withholding | 395 | $2K | 2/18/2026 |
| Valerie Barnett | ▲ Buy | Option Exercise | 1,346 | — | 2/18/2026 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 525 | $2K | 2/18/2026 |
| Ming Yan | ▲ Buy | Option Exercise | 1,981 | — | 11/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 483 | $3K | 11/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 7,363 | — | 11/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,793 | $10K | 11/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 5,525 | — | 11/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,346 | $7K | 11/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 6,162 | — | 11/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,501 | $8K | 11/18/2025 |
| Philippe Busque | ▲ Buy | Option Exercise | 1,536 | — | 11/18/2025 |
| Philippe Busque | ▼ Sell | Tax Withholding | 393 | $2K | 11/18/2025 |
| Philippe Busque | ▲ Buy | Option Exercise | 2,210 | — | 11/18/2025 |
| Philippe Busque | ▼ Sell | Tax Withholding | 565 | $3K | 11/18/2025 |
| Philippe Busque | ▲ Buy | Option Exercise | 3,625 | — | 11/18/2025 |
| Philippe Busque | ▼ Sell | Tax Withholding | 927 | $5K | 11/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 2,016 | — | 11/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 649 | $4K | 11/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 3,681 | — | 11/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 1,184 | $7K | 11/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 7,735 | — | 11/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 2,487 | $14K | 11/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 10,875 | — | 11/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 3,497 | $19K | 11/18/2025 |
| William D. McCombe | ▲ Buy | Option Exercise | 6,320 | — | 11/18/2025 |
| William D. McCombe | ▼ Sell | Tax Withholding | 2,032 | $11K | 11/18/2025 |
| William D. McCombe | ▲ Buy | Option Exercise | 13,051 | — | 11/18/2025 |
| William D. McCombe | ▼ Sell | Tax Withholding | 4,196 | $23K | 11/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 6,758 | — | 11/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 2,660 | $15K | 11/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 11,781 | — | 11/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 4,636 | $26K | 11/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 22,100 | — | 11/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 8,697 | $48K | 11/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 29,002 | — | 11/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 11,413 | $63K | 11/18/2025 |
| Michael Holder | ▲ Buy | Option Exercise | 2,181 | — | 11/18/2025 |
| Richard Chin | ▲ Buy | Option Exercise | 6,107 | — | 11/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 786 | $3K | 8/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 1,981 | — | 8/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 588 | $2K | 8/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 7,363 | — | 8/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 2,184 | $9K | 8/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 5,525 | — | 8/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,498 | $6K | 8/18/2025 |
| Ming Yan | ▲ Buy | Option Exercise | 6,162 | — | 8/18/2025 |
| Ming Yan | ▼ Sell | Tax Withholding | 1,468 | $6K | 8/18/2025 |
| Philippe Busque | ▲ Buy | Option Exercise | 1,536 | — | 8/18/2025 |
| Philippe Busque | ▼ Sell | Tax Withholding | 599 | $2K | 8/18/2025 |
| Philippe Busque | ▲ Buy | Option Exercise | 2,210 | — | 8/18/2025 |
| Philippe Busque | ▼ Sell | Tax Withholding | 861 | $3K | 8/18/2025 |
| Philippe Busque | ▲ Buy | Option Exercise | 3,625 | — | 8/18/2025 |
| Philippe Busque | ▼ Sell | Tax Withholding | 1,412 | $6K | 8/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 2,016 | — | 8/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 3,681 | — | 8/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 1,434 | $6K | 8/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 7,735 | — | 8/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 3,000 | $12K | 8/18/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 10,875 | — | 8/18/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 3,609 | $15K | 8/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 6,758 | — | 8/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 1,646 | $7K | 8/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 11,781 | — | 8/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 22,100 | — | 8/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 5,382 | $22K | 8/18/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 29,002 | — | 8/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 7,062 | $29K | 8/18/2025 |
| William D. McCombe | ▲ Buy | Option Exercise | 6,320 | — | 8/18/2025 |
| William D. McCombe | ▼ Sell | Tax Withholding | 2,462 | $10K | 8/18/2025 |
| William D. McCombe | ▲ Buy | Option Exercise | 13,051 | — | 8/18/2025 |
| William D. McCombe | ▼ Sell | Tax Withholding | 5,084 | $21K | 8/18/2025 |
| Michael Holder | ▲ Buy | Option Exercise | 2,181 | $0 | 8/18/2025 |
| Richard Chin | ▲ Buy | Option Exercise | 4,071 | — | 8/18/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 2,869 | $12K | 8/18/2025 |
| Jack Ball | ▲ Buy | Option Exercise | 15,706 | — | 6/5/2025 |
| HARDISON DON M | ▲ Buy | Option Exercise | 15,706 | — | 6/5/2025 |
| Deborah J. Neff | ▲ Buy | Option Exercise | 15,706 | — | 6/5/2025 |
| Vera Imper | ▲ Buy | Option Exercise | 15,706 | — | 6/5/2025 |
| William D. McCombe | ▲ Buy | Open Market | 35,000 | $97K | 6/2/2025 |
| William D. McCombe | ▲ Buy | Option Exercise | 25,283 | — | 5/19/2025 |
| William D. McCombe | ▼ Sell | Tax Withholding | 9,848 | $26K | 5/19/2025 |
| William D. McCombe | ▲ Buy | Option Exercise | 8,700 | — | 5/19/2025 |
| William D. McCombe | ▼ Sell | Tax Withholding | 3,389 | $9K | 5/19/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 6,758 | — | 5/19/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 1,646 | $4K | 5/19/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 7,854 | — | 5/19/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 1,913 | $5K | 5/19/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 14,733 | — | 5/19/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 3,588 | $10K | 5/19/2025 |
| Wenbin Jiang | ▲ Buy | Option Exercise | 19,334 | — | 5/19/2025 |
| Wenbin Jiang | ▼ Sell | Tax Withholding | 4,708 | $13K | 5/19/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 2,016 | — | 5/19/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 786 | $2K | 5/19/2025 |
| Valerie Barnett | ▲ Buy | Option Exercise | 2,454 | — | 5/19/2025 |
| Valerie Barnett | ▼ Sell | Tax Withholding | 956 | $3K | 5/19/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 7, 2026
Cytek spotlights spectral flow cytometry at ESCCA and ICCS conferences
Cytek Biosciences drew attention to the growing use of its spectral flow cytometry technology in clinical research at the ESCCA and ICCS conferences. The company also confirmed it will attend upcoming investor conferences. These are routine participation and awareness events rather than material business updates, with no new financial figures or product announcements disclosed. The current price sits within the stock's 52-week range of $3.28 to $6.18, below the average analyst target of $5.56.
Cytek spotlights spectral flow cytometry at ESCCA and ICCS conferences. Cytek Biosciences drew attention to the growing use of its spectral flow cytometry technology in clinical research at the ESCCA and ICCS conferences. The company also confirmed it will attend upcoming investor conferences. These are routine participation and awareness events rather than material business updates, with no new financial figures or product announcements disclosed. The current price sits within the stock's 52-week range of $3.28 to $6.18, below the average analyst target of $5.56.