Bradley Sitko, Chief Investment Officer at XOMA Corp (XOMA), bought 500 shares at $23.19 ($12K) on 2023-05-16, disclosed to the SEC on 2023-05-17.
Open-market purchase of $12k 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).
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $23.19 | 300 | $7K | 60.0% |
| 2 | $23.20 | 100 | $2K | 20.0% |
| 3 | $23.25 | 100 | $2K | 20.0% |
| Total | $23.20 avg | 500 | $12K | 100% |
| Filing → |
| XOMA | BUY | 2025-04-02 | $20K | — | Filing → |
| XOMA | BUY | 2025-03-25 | $99K | — | Filing → |
| XOMA | BUY | 2025-01-10 | $4K | — | Filing → |