Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| XOMA | Bvf Partners L P/Il | 10% Owner | 07/14/2026 | U | — | 772,000 | — | Form 4 |
| XOMA | Bvf Partners L P/Il | 10% Owner | 07/14/2026 | U | — | 412,000 | — | Form 4 |
| XOMA | Bvf Partners L P/Il | 10% Owner | 07/14/2026 | U | — | 2,773,545 | — | Form 4 |
| XOMA | Bvf Partners L P/Il | 10% Owner | 07/14/2026 | U | — | 3,635,758 | — | Form 4 |
| XOMA | Montano Maricel Perea | Chief Legal Officer | 07/14/2026 | J | — | 65 | — | Form 4 |
| XOMA | Montano Maricel Perea | Chief Legal Officer | 07/14/2026 | J | — | 42,306 | — | Form 4 |
| XOMA | Limber Joseph M | Director | 07/14/2026 | Abgabe | — | 20,000 | — | Form 4 |
| XOMA | Limber Joseph M | Director | 07/14/2026 | Abgabe | — | 10,000 | — | Form 4 |
| XOMA | Limber Joseph M | Director | 07/14/2026 | J | — | 9,532 | — | Form 4 |
| XOMA | Kosacz Barbara | Director | 07/14/2026 | J | — | 6,269 | — | Form 4 |
| XOMA | Hughes Owen | Chief Executive Officer | 07/14/2026 | Abgabe | — | 102,000 | — | Form 4 |
| XOMA | Hughes Owen | Chief Executive Officer | 07/14/2026 | J | — | 752 | — | Form 4 |
| XOMA | Hughes Owen | Chief Executive Officer | 07/14/2026 | J | — | 191,264 | — | Form 4 |
| XOMA | Wyszomierski Jack L | Director | 07/14/2026 | J | — | 21,828 | — | Form 4 |
| XOMA | Hernday Natasha | Director | 07/14/2026 | Abgabe | — | 4,000 | — | Form 4 |
| XOMA | Hernday Natasha | Director | 07/14/2026 | J | — | 9,304 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | Abgabe | — | 2,000 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | Abgabe | — | 82 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | J | — | 1,500 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | J | — | 75 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | J | — | 1,287 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | Abgabe | — | 7,045 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | Abgabe | — | 313 | — | Form 4 |
| XOMA | Sitko Bradley | Chief Investment Officer | 07/14/2026 | J | — | 83,765 | — | Form 4 |
| XOMA | Perry Matthew D | Director | 07/14/2026 | J | — | 24,138 | — | Form 4 |
| XOMA | Trigilio Jeffrey | Chief Financial Officer | 07/14/2026 | J | — | 103,906 | — | Form 4 |
| XOMA | Franklin Heather L | Director | 07/14/2026 | J | — | 6,269 | — | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).