Bradley Sitko, Chief Investment Officer at XOMA Corp (XOMA), bought 850 shares at $19.00 ($16K) on 2023-05-23, disclosed to the SEC on 2023-05-25.
Open-market purchase of $16k XOMA by Chief Investment Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.
| Filing → |
| XOMA | BUY | 2025-04-02 | $20K | — | Filing → |
| XOMA | BUY | 2025-03-25 | $99K | — | Filing → |
| XOMA | BUY | 2025-01-10 | $4K | — | Filing → |