Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-05-20 Sale | 2025-05-21 7:11 pm | XOMA Royalty Corp | XOMA | Hughes Owen Chief Executive Officer | 25,637 | $25.38 | $650,667 | 233,277 (Indirect Direct) | View |
2025-05-20 Sale | 2025-05-21 7:11 pm | XOMA Royalty Corp | XOMA | BURNS THOMAS M. SVP, Finance & CFO | 10,482 | $25.38 | $266,033 | 88,747 (Indirect Direct) | View |
2025-05-16 Sale | 2025-05-20 6:56 pm | XOMA Royalty Corp | XOMA | BVF PARTNERS L P BIOTECHNOLOGY VALUE FUND L P BVF I GP LLC BIOTECHNOLOGY VALUE FUND II LP BVF II GP LLC Biotechnology Value Trading Fund OS LP BVF Partners OS Ltd. BVF GP HOLDINGS LLC BVF INC LAMPERT MARK N 10% Owner | 392,723 | $27.1 | $10,642,793 | 1,272,548 (Indirect Direct) | View |
2025-03-31 Purchase | 2025-04-02 4:30 pm | XOMA Royalty Corp | XOMA | Sitko Bradley Chief Investment Officer | 1,000 | $19.98 | $19,980 | 7,919 (Indirect Direct) | View |
2025-03-21 Purchase | 2025-03-25 4:30 pm | XOMA Royalty Corp | XOMA | Sitko Bradley Chief Investment Officer | 1,334 | $20.65 | $27,547 | 7,674 (Indirect Direct) | View |
2025-01-24 Sale | 2025-01-28 5:23 pm | XOMA Royalty Corp | XOMA | BVF PARTNERS L P BIOTECHNOLOGY VALUE FUND L P BVF I GP LLC BIOTECHNOLOGY VALUE FUND II LP BVF II GP LLC Biotechnology Value Trading Fund OS LP BVF Partners OS Ltd. BVF GP HOLDINGS LLC BVF INC LAMPERT MARK N 10% Owner | 650,717 | $26.1 | $16,983,714 | 5,003 (Indirect Direct) | View |
2025-01-08 Purchase | 2025-01-10 4:30 pm | XOMA Royalty Corp | XOMA | Sitko Bradley Chief Investment Officer | 150 | $25.75 | $3,863 | 13,432 (Indirect Direct) | View |
2024-12-31 Purchase | 2025-01-03 4:30 pm | XOMA Royalty Corp | XOMA | Sitko Bradley Chief Investment Officer | 300 | $25.9 | $7,770 | 13,044 (Indirect Direct) | View |
2024-11-13 Sale | 2024-11-13 6:55 pm | XOMA Royalty Corp | XOMA | BURNS THOMAS M. SVP, Finance & CFO | 9,775 | $29.94 | $292,664 | 96,934 (Indirect Direct) | View |
2024-11-13 Sale | 2024-11-13 6:55 pm | XOMA Royalty Corp | XOMA | Hughes Owen Chief Executive Officer | 21,881 | $29.95 | $655,336 | 258,619 (Direct) | View |
2023-10-02 Purchase | 2023-10-04 4:30 pm | XOMA Corp | XOMA | Sitko Bradley Chief Investment Officer | 1,750 | $14.2 | $24,848 | 9,100 (Indirect Direct) | View |
2023-10-02 Purchase | 2023-10-04 4:30 pm | XOMA Corp | XOMA | Hughes Owen Exec Chairman and Interim CEO | 1,000 | $13.83 | $13,830 | 5,500 (Direct) | View |
2023-09-25 Purchase | 2023-09-27 4:30 pm | XOMA Corp | XOMA | Hughes Owen Exec Chairman and Interim CEO | 2,500 | $14.43 | $36,075 | 4,500 (Direct) | View |
2023-05-31 Purchase | 2023-06-02 4:30 pm | XOMA Corp | XOMA | Sitko Bradley Chief Investment Officer | 1,500 | $17.13 | $25,700 | 7,350 (Indirect Direct) | View |
2023-05-23 Purchase | 2023-05-25 4:30 pm | XOMA Corp | XOMA | Sitko Bradley Chief Investment Officer | 850 | $19 | $16,150 | 5,850 (Indirect Direct) | View |
2023-05-19 Purchase | 2023-05-22 4:30 pm | XOMA Corp | XOMA | Sitko Bradley Chief Investment Officer | 1,000 | $19.5 | $19,500 | 35,200 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-05-21 Option Award | 2025-05-23 4:48 pm | N/A N/A | XOMA Royalty Corp | XOMA | Kosacz Barbara Director | 5,971 | $0 | 5,971 (Direct) | View |
2025-05-21 Option Award | 2025-05-23 4:48 pm | N/A N/A | XOMA Royalty Corp | XOMA | WYSZOMIERSKI JACK L Director | 5,971 | $0 | 18,504 (Direct) | View |
2025-05-21 Option Award | 2025-05-23 4:47 pm | N/A 2035-05-21 | XOMA Royalty Corp | XOMA | LIMBER JOSEPH M Director | 9,936 | $0 | 9,936 (Direct) | View |
2025-05-21 Option Award | 2025-05-23 4:47 pm | N/A N/A | XOMA Royalty Corp | XOMA | PERRY MATTHEW D Director | 5,971 | $0 | 23,840 (Direct) | View |
2025-05-21 Option Award | 2025-05-23 4:47 pm | N/A N/A | XOMA Royalty Corp | XOMA | Hernday Natasha Director | 5,971 | $0 | 9,006 (Direct) | View |
2025-05-21 Option Award | 2025-05-23 4:47 pm | N/A N/A | XOMA Royalty Corp | XOMA | Franklin Heather L Director | 5,971 | $0 | 5,971 (Direct) | View |
2025-05-21 Option Award | 2025-05-23 4:46 pm | N/A N/A | XOMA Royalty Corp | XOMA | Kosacz Barbara Director | 5,971 | $0 | 5,971 (Direct) | View |
2025-05-19 Exercise | 2025-05-21 7:11 pm | N/A 2026-05-18 | XOMA Royalty Corp | XOMA | Hughes Owen Chief Executive Officer | 53,359 | $0 | 233,277 (Direct) | View |
2025-05-19 Exercise | 2025-05-21 7:11 pm | N/A 2026-05-18 | XOMA Royalty Corp | XOMA | BURNS THOMAS M. SVP, Finance & CFO | 17,773 | $0 | 88,747 (Direct) | View |
2024-11-11 Exercise | 2024-11-13 6:55 pm | N/A 2026-05-18 | XOMA Royalty Corp | XOMA | BURNS THOMAS M. SVP, Finance & CFO | 17,773 | $0 | 96,934 (Direct) | View |
2024-11-11 Exercise | 2024-11-13 6:55 pm | N/A 2026-05-18 | XOMA Royalty Corp | XOMA | Hughes Owen Chief Executive Officer | 53,360 | $0 | 258,619 (Direct) | View |
2024-05-15 Option Award | 2024-05-17 4:30 pm | N/A N/A | XOMA Corp | XOMA | WYSZOMIERSKI JACK L Director | 6,070 | $0 | 12,533 (Direct) | View |
2024-05-15 Option Award | 2024-05-17 4:30 pm | N/A N/A | XOMA Corp | XOMA | PERRY MATTHEW D See Explanation of Responses | 6,070 | $0 | 17,869 (Direct) | View |
2024-05-15 Option Award | 2024-05-17 4:30 pm | N/A 2034-05-15 | XOMA Corp | XOMA | LIMBER JOSEPH M Director | 9,763 | $0 | 9,763 (Direct) | View |
2024-05-15 Option Award | 2024-05-17 4:30 pm | N/A 2034-05-15 | XOMA Corp | XOMA | Kosacz Barbara Director | 9,763 | $0 | 9,763 (Direct) | View |
2024-05-15 Option Award | 2024-05-17 4:30 pm | N/A 2034-05-15 | XOMA Corp | XOMA | Hernday Natasha Director | 7,916 | $0 | 7,916 (Direct) | View |
2024-05-15 Option Award | 2024-05-17 4:30 pm | N/A 2034-05-15 | XOMA Corp | XOMA | Franklin Heather L Director | 9,763 | $0 | 9,763 (Direct) | View |
2024-01-08 Option Award | 2024-01-10 4:30 pm | N/A 2026-05-18 | XOMA Corp | XOMA | Hughes Owen Chief Executive Officer | 275,000 | $0 | 275,000 (Direct) | View |
2023-05-18 Option Award | 2023-05-22 4:30 pm | N/A N/A | XOMA Corp | XOMA | Sitko Bradley Chief Investment Officer | 30,200 | $0 | 35,200 (Direct) | View |
2023-05-18 Option Award | 2023-05-22 4:30 pm | N/A N/A | XOMA Corp | XOMA | BURNS THOMAS M. SVP, Finance & CFO | 91,600 | $0 | 91,600 (Direct) | View |
2023-05-17 Option Award | 2023-05-19 5:03 pm | N/A 2033-05-17 | XOMA Corp | XOMA | BVF PARTNERS L P BIOTECHNOLOGY VALUE FUND L P BVF I GP LLC BIOTECHNOLOGY VALUE FUND II LP BVF II GP LLC Biotechnology Value Trading Fund OS LP BVF Partners OS Ltd. BVF GP HOLDINGS LLC BVF INC LAMPERT MARK N See Remarks 10% Owner | 10,967 | $0 | 3,910,202 (Indirect) | View |
2023-05-17 Option Award | 2023-05-19 4:30 pm | N/A 2033-05-17 | XOMA Corp | XOMA | PERRY MATTHEW D See Explanation of Responses | 10,967 | $0 | 10,967 (Direct) | View |
2023-05-17 Option Award | 2023-05-19 4:30 pm | N/A 2033-05-17 | XOMA Corp | XOMA | WYSZOMIERSKI JACK L Director | 10,967 | $0 | 10,967 (Direct) | View |
2023-05-17 Option Award | 2023-05-19 4:30 pm | N/A 2033-05-17 | XOMA Corp | XOMA | LIMBER JOSEPH M Director | 10,967 | $0 | 10,967 (Direct) | View |
2023-05-17 Option Award | 2023-05-19 4:30 pm | N/A 2033-05-17 | XOMA Corp | XOMA | Kosacz Barbara Director | 10,967 | $0 | 10,967 (Direct) | View |