Insider Trading for XOMA
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: 2.4M shares
Net: -2.4M shares
Insiders have been net sellers recently, which could indicate concerns about current valuation or short-term outlook.
Quarterly Activity (3 Months)
Acquisitions: 5.0M shares
Dispositions: 2.4M shares
Net: 2.7M shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Mar 11, 2026 to Jul 14, 2026
Sitko Bradley
ExecutiveCorporate Officer
-472.8K shares
11 transactions
BVF PARTNERS L P/IL
Other10 Percent Owner
+4.2M shares
6 transactions
Hughes Owen
ExecutiveCorporate Officer
-201.2K shares
9 transactions
LIMBER JOSEPH M
DirectorDirector
-110.4K shares
16 transactions
Kosacz Barbara
DirectorDirector
-71.8K shares
9 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 14, 2026 | BVF PARTNERS L P/IL | 10 Percent Owner | U-Tender | 772.0K | $39.00 | $30,108,000.00 | 0 | View |
| Jul 14, 2026 | Montano Maricel Perea | ECorporate Officer | J-Other | 65 | $0.01 | $0.49 | 0 | View |
| Jul 14, 2026 | Montano Maricel Perea | ECorporate Officer | D-Return | 11.3K | $0.00 | $0.00 | 0 | 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 XOMA stock, though this may be part of planned diversification.