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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Sep 22 '25 | Sale | 35.99 | 4,330 | 155,820 | 30,079 | Sep 23 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Sep 19 '25 | Option Exercise | 0.00 | 11,846 | 0 | 34,409 | Sep 23 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | May 20 '25 | Sale | 25.38 | 10,482 | 266,033 | 22,563 | May 21 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | May 19 '25 | Option Exercise | 0.00 | 17,773 | 0 | 33,045 | May 21 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Apr 01 '25 | Buy | 25.46 | 1,000 | 25,460 | 2,000 | Apr 02 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 13 '24 | Sale | 29.94 | 9,775 | 292,664 | 14,553 | Nov 13 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 11 '24 | Option Exercise | 0.00 | 17,773 | 0 | 24,328 | Nov 13 |
| XOMA | BURNS THOMAS M. | director: SVP, Finance & CFO | Jul 15 '22 | Sale | 31.66 | 2,000 | 63,321 | 6,555 | Jul 18 |
| XOMA | BURNS THOMAS M. | director: SVP, Finance & CFO | Jul 15 '22 | Option Exercise | 0.00 | 2,000 | 0 | 75,778 | Jul 18 |
| XOMA | BURNS THOMAS M. | director: SVP, Finance & CFO | Mar 21 '22 | Option Exercise | 0.00 | 12,000 | 0 | 18,000 | Mar 23 |
| XOMA | BURNS THOMAS M. | director: SVP, Finance & CFO | Mar 21 '22 | Sale | 30.02 | 2,339 | 70,209 | 6,555 | Mar 23 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Dec 15 '20 | Option Exercise | 4.03 | 15,000 | 60,450 | 21,555 | Dec 17 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Dec 15 '20 | Sale | 41.41 | 15,000 | 621,086 | 6,555 | Dec 17 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 23 '20 | Sale | 32.93 | 5,125 | 168,752 | 6,555 | Nov 24 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 23 '20 | Option Exercise | 4.03 | 5,125 | 20,654 | 11,680 | Nov 24 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 20 '20 | Sale | 32.52 | 6,875 | 223,555 | 6,555 | Nov 24 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 20 '20 | Option Exercise | 4.03 | 6,875 | 27,706 | 13,430 | Nov 24 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 05 '20 | Sale | 26.11 | 8,000 | 208,908 | 6,555 | Nov 06 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 05 '20 | Option Exercise | 4.03 | 8,000 | 32,240 | 14,555 | Nov 06 |
| XOMA | BURNS THOMAS M. | Sr. VP, Finance and CFO | Sep 19 '19 | Option Exercise | 4.03 | 4,171 | 16,809 | 10,726 | Sep 20 |
| XOMA | BURNS THOMAS M. | Sr. VP, Finance and CFO | Sep 19 '19 | Sale | 21.41 | 4,171 | 89,296 | 6,555 | Sep 20 |
| XOMA | BURNS THOMAS M. | Sr. VP, Finance and CFO | Sep 18 '19 | Option Exercise | 4.03 | 3,829 | 15,431 | 10,384 | Sep 20 |
| XOMA | BURNS THOMAS M. | Sr. VP, Finance and CFO | Sep 18 '19 | Sale | 21.96 | 3,829 | 84,091 | 6,555 | Sep 20 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Apr 27 '18 | Option Exercise | 5.50 | 2,655 | 14,603 | 9,210 | Apr 27 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Apr 27 '18 | Sale | 24.77 | 2,655 | 65,757 | 6,555 | Apr 27 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Apr 26 '18 | Sale | 24.69 | 8,345 | 206,050 | 6,555 | Apr 27 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Apr 26 '18 | Option Exercise | 5.50 | 8,345 | 45,898 | 14,900 | Apr 27 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 15 '17 | Option Exercise | 4.03 | 8,392 | 33,820 | 14,947 | Nov 15 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 15 '17 | Sale | 27.05 | 8,392 | 226,978 | 6,555 | Nov 15 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 14 '17 | Sale | 28.34 | 6,847 | 194,054 | 6,555 | Nov 15 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 14 '17 | Option Exercise | 4.03 | 6,847 | 27,593 | 13,402 | Nov 15 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 13 '17 | Sale | 30.99 | 6,983 | 216,419 | 6,555 | Nov 15 |
| XOMA | BURNS THOMAS M. | SVP, Finance & CFO | Nov 13 '17 | Option Exercise | 4.03 | 6,983 | 28,141 | 13,538 | Nov 15 |