Cytek Biosciences, Inc (CTKB) insider trading
Every open-market stock purchase and sale by Cytek Biosciences, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- No open-market insider trades in the last 12 months.
- Last insider buy: William D. McCombe (CFO), $97.3K, 16 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $0 (0 sales). Last close $4.81 on Aug 21, 2026.
Recent CTKB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 18, 2026 | Wenbin Jiang (CEO) | Sold (not open market) | $97.9K |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Sold (not open market) | $33K |
| Aug 18, 2026 | William D. McCombe (CFO) | Sold (not open market) | $25.2K |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Sold (not open market) | $25.1K |
| Aug 18, 2026 | William D. McCombe (CFO) | Sold (not open market) | $20.5K |
| Aug 18, 2026 | Ming Yan (CTO) | Sold (not open market) | $16.2K |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Sold (not open market) | $13.4K |
| Aug 18, 2026 | William D. McCombe (CFO) | Sold (not open market) | $9.9K |
| Aug 18, 2026 | Ming Yan (CTO) | Sold (not open market) | $8.3K |
| Aug 18, 2026 | Ming Yan (CTO) | Sold (not open market) | $7K |
| Aug 18, 2026 | Ming Yan (CTO) | Sold (not open market) | $6.3K |
| Aug 18, 2026 | William D. McCombe (CFO) | Bought (not open market) | — |
| Aug 18, 2026 | Michael Holder (Insider) | Bought (not open market) | — |
| Aug 18, 2026 | Glenn P Muir (Insider) | Bought (not open market) | — |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | Wenbin Jiang (CEO) | Bought (not open market) | — |
| Aug 18, 2026 | Ming Yan (CTO) | Bought (not open market) | — |
| Aug 18, 2026 | Ming Yan (CTO) | Bought (not open market) | — |
| Aug 18, 2026 | Ming Yan (CTO) | Bought (not open market) | — |
| Aug 18, 2026 | William D. McCombe (CFO) | Bought (not open market) | — |
| Aug 18, 2026 | William D. McCombe (CFO) | Bought (not open market) | — |
| Aug 18, 2026 | Ming Yan (CTO) | Bought (not open market) | — |
| Aug 18, 2026 | Richard Chin (Insider) | Bought (not open market) | — |
Who's trading CTKB
- Richard Chin, Insider: other filings, last Aug 18, 2026
- Wenbin Jiang, CEO: other filings, last Aug 18, 2026
- William D. McCombe, CFO: other filings, last Aug 18, 2026
- Ming Yan, CTO: other filings, last Aug 18, 2026
- Michael Holder, Insider: other filings, last Aug 18, 2026
- Glenn P Muir, Insider: other filings, last Aug 18, 2026
- Ilan Feuchtwang, C-suite exec: other filings, last Aug 10, 2026
- Jack Ball, Insider: other filings, last Jun 10, 2026
- Vera Imper, Insider: other filings, last Jun 10, 2026
- Deborah J Neff, Insider: other filings, last Jun 10, 2026
- Philippe Busque, VP: other filings, last May 18, 2026
- Valerie Barnett, C-suite exec: other filings, last May 18, 2026
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