Bradley Sitko serves as Executive at XOMA Corp, where they oversee executive responsibilities. Since joining the company, Bradley Sitko has executed 14 insider transactions totaling $221.7K, demonstrating a bullish approach to their equity position. Their most recent transaction on Sep 19, 2025 involved exercising options for 6,712 shares valued at $0.
Bradley Sitko currently holds 19,822 shares of XOMA Corp (XOMA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Bradley Sitko has been a net buyer of XOMA stock. They have purchased $221.7K and sold $0 worth of shares.
Bradley Sitko's most recent insider trade was on Sep 19, 2025, when they sold 6,712 shares at $0.00 per share.
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| $25.39 |
| Discretionary |
| Oct 3, 2023 | XOMA | $3.5K | Purchase | 250 | $13.89 | Discretionary |
| Oct 2, 2023 | XOMA | $21.4K | Purchase | 1,500 | $14.25 | Discretionary |
| May 31, 2023 | XOMA | $8.5K | Purchase | 500 | $17.00 | Discretionary |
| May 31, 2023 | XOMA | $17.2K | Purchase | 1,000 | $17.20 | Discretionary |
| May 23, 2023 | XOMA | $16.1K | Purchase | 850 | $19.00 | Discretionary |
| May 19, 2023 | XOMA | $19.5K | Purchase | 1,000 | $19.50 | Discretionary |
| May 16, 2023 | XOMA | $2.3K | Purchase | 100 | $23.20 | Discretionary |
| May 16, 2023 | XOMA | $2.3K | Purchase | 100 | $23.25 | Discretionary |
| May 16, 2023 | XOMA | $7.0K | Purchase | 300 | $23.19 | Discretionary |
| May 15, 2023 | XOMA | $35.1K | Purchase | 1,500 | $23.40 | Discretionary |
| May 12, 2023 | XOMA | $37.2K | Purchase | 1,957 | $19.00 | Discretionary |
| May 12, 2023 | XOMA | $802 | Purchase | 43 | $18.66 | Discretionary |