3 insiders bought XOMA within a short window (2025-03-21→2025-04-07), $960k in total — cluster score 65/100. Members see the buyers, the score breakdown and the chart.
See the cluster| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2025-12-08 | Hughes Owen Chief Executive Officer | Bought | 100,000 | $25.05 | $2.5M |
| 2025-07-02 | Sitko Bradley Chief Investment Officer | Bought | 2,000 | $25.39 | $51k |
| 2025-05-20 | BIOTECHNOLOGY VALUE FUND II LP 10% owner | Sold | 392,723 | $27.10 | $10.6M |
| 2025-04-09 | Sitko Bradleycluster Chief Investment Officer | Bought | 2,000 | $24.70 | $49k |
| 2025-04-07 | LIMBER JOSEPH Mcluster Director | Bought | 30,000 | $25.34 | $760k |
| 2025-04-02 | Sitko Bradleycluster Chief Investment Officer | Bought | 1,245 | $21.04 | $26k |
| 2025-04-02 | BURNS THOMAS M.cluster SVP, Finance & CFO | Bought | 1,000 | $25.46 | $25k |
| 2025-03-25 | Sitko Bradleycluster Chief Investment Officer | Bought | 4,134 | $23.89 | $99k |
| 2025-01-28 | BIOTECHNOLOGY VALUE FUND II LP 10% owner | Sold | 650,717 | $26.10 | $17.0M |
| 2025-01-10 | Sitko Bradley Chief Investment Officer | Bought | 545 | $25.64 | $14k |
| 2025-01-03 | Sitko Bradley Chief Investment Officer | Bought | 300 | $25.90 | $8k |
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| Hughes Owen | Chief Executive Officer | 1 | $2.5M |
| LIMBER JOSEPH M | Director | 1 | $760k |
| Sitko Bradley | Chief Investment Officer | 6 | $247k |
| BURNS THOMAS M. | SVP, Finance & CFO | 1 | $25k |
Every insider buy and sell for XOMA plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.
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