Cytek Biosciences, Inc.
CTKB
32 insider filings · Latest: Aug 18, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 | Sep 2 8:12 PM | PHILIPPE BUSQUE | Proposed Sale | 31,666 | $4.63 | $146.5K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Aug 20 8:35 PM | Wenbin JiangDirector, PRESIDENT AND CEO | Option Exercise | 120,095 | — | 820,054(D) | View → |
| Aug 18, 2026 | Aug 20 8:34 PM | William D. MccombeChief Financial Officer | Option Exercise | 35,420 | — | 230,042(D) | View → |
| Aug 18, 2026 | Aug 20 8:31 PM | Glenn P MuirDirector | Option Exercise | 3,086 | — | 52,469(D) | View → |
| Aug 18, 2026 | Aug 20 8:28 PM | Michael HolderDirector | Option Exercise | 2,181 | — | 7,276(D) | View → |
| Aug 18, 2026 | Aug 20 8:27 PM | Richard ChinDirector | Option Exercise | 6,107 | — | 44,790(D) | View → |
| Aug 18, 2026 | Aug 20 8:22 PM | Ming YanDirector, CHIEF TECHNOLOGY OFFICER | Option Exercise | 33,270 | — | 203,835(D) | View → |
| Aug 10, 2026 | Aug 12 10:31 PM | Ilan FeuchtwangChief Legal Officer, Secretary | Grant/Award | 368,534 | $4.66 | 127,118(D) | View → |
| Jun 10, 2026 | Jun 12 11:34 PM | Jack BallDirector | Option Exercise | 43,973 | — | 0(D) | View → |
| Jun 10, 2026 | Jun 12 11:31 PM | Glenn P MuirDirector | Grant/Award | 85,390 | $4.05 | 29,835(D) | View → |
| Jun 10, 2026 | Jun 12 11:27 PM | Richard ChinDirector | Grant/Award | 51,594 | $4.05 | 18,261(D) | View → |
| Jun 10, 2026 | Jun 12 11:25 PM | Vera ImperDirector | Grant/Award | 51,594 | $4.05 | 18,261(D) | View → |
| Jun 10, 2026 | Jun 12 11:25 PM | Vera ImperDirector | Option Exercise | 43,973 | — | 0(D) | View → |
| Jun 10, 2026 | Jun 12 11:23 PM | Deborah J NeffDirector | Grant/Award | 51,594 | $4.05 | 18,261(D) | View → |
| Jun 10, 2026 | Jun 12 11:23 PM | Deborah J NeffDirector | Option Exercise | 43,973 | — | 0(D) | View → |
| Jun 10, 2026 | Jun 12 11:22 PM | Michael HolderDirector | Grant/Award | 51,594 | $4.05 | 18,261(D) | View → |
| Jun 10, 2026 | Jun 12 11:22 PM | Michael HolderDirector | Option Exercise | 43,973 | — | 0(D) | View → |
| May 18, 2026 | May 20 10:01 PM | Michael HolderDirector | Option Exercise | 1,454 | — | 9,457(D) | View → |
| May 18, 2026 | May 20 9:59 PM | Richard ChinDirector | Option Exercise | 6,107 | — | 50,897(D) | View → |
| May 18, 2026 | May 20 9:56 PM | Ming YanDirector, CHIEF TECHNOLOGY OFFICER | Option Exercise | 22,179 | — | 218,055(D) | View → |
| May 18, 2026 | May 20 9:53 PM | Philippe BusqueSVP, GLOBAL SALES AND SERVICES | Option Exercise | 10,464 | — | 127,675(D) | View → |
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