Insider Trading for CTKB
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
Acquisitions: 0 shares
Dispositions: 0 shares
Net: 0 shares
Recent insider activity has been balanced between buying and selling in the short term.
Quarterly Activity (3 Months)
Acquisitions: 637.9K shares
Dispositions: 533.8K shares
Net: 104.2K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Mar 10, 2026 to Jun 29, 2026
Barnett Valerie
ExecutiveOfficer: Chief Legal Officer
+326.1K shares
23 transactions
Busque Philippe
ExecutiveVice President
+201.2K shares
16 transactions
MUIR GLENN P
DirectorDirector
+85.4K shares
3 transactions
Jiang Wenbin
ExecutiveChief Executive Officer
-25.5K shares
12 transactions
Chin Richard
DirectorDirector
+51.6K shares
6 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 29, 2026 | Feuchtwang Ilan | Unknown | Unknown | 0 | $0.00 | $0.00 | 0 | View |
| Jun 12, 2026 | Yan Ming | EDirector, Officer: Chief Technology Officer | Gift | 135.9K | $0.00 | $0.00 | 4.8M | View |
| Jun 10, 2026 | Ball Jack | DDirector | Exercise | 44.0K | $0.00 | $0.00 | 86.7K | View |
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Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of CTKB stock, though this may be part of planned diversification.

