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 |
|---|---|---|---|---|---|---|---|
| May 18, 2026 | May 20 9:50 PM | Wenbin JiangDirector, PRESIDENT AND CEO | Option Exercise | 80,062 | — | 877,266(D) | View → |
| May 18, 2026 | May 20 9:48 PM | William D. MccombeChief Financial Officer | Option Exercise | 25,719 | — | 246,091(D) | View → |
| May 18, 2026 | May 20 9:45 PM | Valerie BarnettCHIEF LEGAL OFFICER | Option Exercise | 24,295 | — | 217,018(D) | View → |
| Mar 10, 2026 | Mar 12 8:41 PM | Richard ChinDirector | Option Exercise | 6,107 | — | 57,004(D) | View → |
| Mar 10, 2026 | Mar 12 8:40 PM | Valerie BarnettCHIEF LEGAL OFFICER | Grant/Award | 346,567 | $4.23 | 226,453(D) | View → |
| Mar 10, 2026 | Mar 12 8:40 PM | Valerie BarnettCHIEF LEGAL OFFICER | Option Exercise | 29,722 | — | 130,512(D) | View → |
| Mar 10, 2026 | Mar 12 8:39 PM | Philippe BusqueSVP, GLOBAL SALES AND SERVICES | Grant/Award | 203,891 | $4.23 | 133,226(D) | View → |
| Mar 10, 2026 | Mar 12 8:39 PM | Philippe BusqueSVP, GLOBAL SALES AND SERVICES | Option Exercise | 9,828 | — | 43,505(D) | View → |
| Mar 10, 2026 | Mar 12 8:38 PM | Jiang WenbinDirector, PRESIDENT AND CEO | Grant/Award | 1,400,952 | $4.23 | 915,407(D) | View → |
| Mar 10, 2026 | Mar 12 8:38 PM | Jiang WenbinDirector, PRESIDENT AND CEO | Option Exercise | 83,844 | — | 348,030(D) | View → |
| Mar 10, 2026 | Mar 12 8:37 PM | William D. MccombeChief Financial Officer | Grant/Award | 392,995 | $4.23 | 256,790(D) | View → |
| Mar 10, 2026 | Mar 12 8:37 PM | William D. MccombeChief Financial Officer | Option Exercise | 23,721 | — | 156,613(D) | View → |
| Mar 10, 2026 | Mar 12 8:36 PM | Ming YanDirector, CHIEF TECHNOLOGY OFFICER | Grant/Award | 348,223 | $4.23 | 227,535(D) | View → |
| Mar 10, 2026 | Mar 12 8:36 PM | Ming YanDirector, CHIEF TECHNOLOGY OFFICER | Option Exercise | 25,400 | — | 73,958(D) | View → |
| Mar 10, 2026 | Mar 12 8:34 PM | Michael HolderDirector | Option Exercise | 2,908 | — | 10,911(D) | View → |
| Feb 18, 2026 | Feb 20 10:50 PM | Jiang WenbinDirector, PRESIDENT AND CEO | Option Exercise | 4,514 | — | 0(D) | View → |
| Feb 18, 2026 | Feb 20 10:47 PM | Ming YanDirector, CHIEF TECHNOLOGY OFFICER | Option Exercise | 1,332 | — | 0(D) | View → |
| Feb 18, 2026 | Feb 20 10:44 PM | Valerie BarnettCHIEF LEGAL OFFICER | Option Exercise | 1,346 | — | 0(D) | View → |
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