Insider Trading for CNTB
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: 10.5K shares
Dispositions: 0 shares
Net: 10.5K shares
Insiders have been net buyers recently, potentially signaling confidence in the company's short-term prospects.
Quarterly Activity (3 Months)
Acquisitions: 160.5K shares
Dispositions: 0 shares
Net: 160.5K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Mar 16, 2026 to Jun 30, 2026
Quart Barry D
ExecutiveCorporate Officer
-3.8M shares
5 transactions
Szekeres David Leslie
ExecutivePresident
-2.6M shares
4 transactions
Huang James
DirectorDirector
+1.3M shares
3 transactions
Peraza Lisa
ExecutivePresident
-745.3K shares
5 transactions
Xanthopoulos Kleanthis Gabriel
DirectorDirector
-332.3K shares
10 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | Xanthopoulos Kleanthis Gabriel | DDirector | Award/Grant | 3.7K | $0.00 | $0.00 | 86.6K | View |
| Jun 30, 2026 | LIU JEAN I | DDirector | Award/Grant | 6.7K | $0.00 | $0.00 | 11.8K | View |
| May 29, 2026 | Huang James | DDirector | Purchase | 150.0K | $2.48 | $371,610.00 | 13.3M | View |
Mar 31, 2026 | Locked | — | — | — | — | — | — | — |
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Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
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Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
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 CNTB stock, though this may be part of planned diversification.

