Updated Jul 16, 2026 · Last SEC filing 2026-07-15
XOMA Royalty Corp (XOMA) has filed 21 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. 7 Form 8-K material event filings were reported by XOMA in the last 90 days. InsiderAlpha tracks every XOMA SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000791908 |
|---|
| Form 4 filings (90d) | 21 |
|---|---|
| Form 8-K filings (90d) | 7 |
| Latest Form 4 filing | 2026-07-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Hernday Natasha | Insider | D — Derivative transaction | 4.0K | — | — | SEC | |
| Sitko Bradley | Chief Investment Officer | D — Derivative transaction | 313 | — | — | SEC | |
| Hughes Owen | Chief Executive Officer | D — Derivative transaction | 102.0K | — | — | SEC | |
| Hernday Natasha | Insider | J — Other acquisition / disposition | 9.3K | — | — | SEC | |
| Sitko Bradley | Chief Investment Officer | J — Other acquisition / disposition | 83.8K | — | — | SEC | |
| WYSZOMIERSKI JACK L | Insider | J — Other acquisition / disposition | 21.8K | — | — | SEC | |
| LIMBER JOSEPH M | Insider | D — Derivative transaction | 20.0K | — | — | SEC | |
| Hughes Owen | Chief Executive Officer | J — Other acquisition / disposition | 752 | — | — | SEC | |
| Montano Maricel Perea | Chief Legal Officer | J — Other acquisition / disposition | 42.3K | — | — | SEC | |
| Montano Maricel Perea | Chief Legal Officer | J — Other acquisition / disposition | 65 | — | — | SEC | |
| LIMBER JOSEPH M | Insider | D — Derivative transaction | 10.0K | — | — | SEC | |
| Hughes Owen | Chief Executive Officer | J — Other acquisition / disposition | 191.3K | — | — | SEC | |
| LIMBER JOSEPH M | Insider | J — Other acquisition / disposition | 9.5K | — | — | SEC | |
| Kosacz Barbara | Insider | J — Other acquisition / disposition | 6.3K | — | — | SEC | |
| Sitko Bradley | Chief Investment Officer | D — Derivative transaction | 7.0K | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for XOMA Royalty Corp (XOMA). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Sitko Bradley | 15 | — |
| LIMBER JOSEPH M | 14 | — |
| WYSZOMIERSKI JACK L | 10 | — |
| Hughes Owen | 9 | — |
| Kosacz Barbara | 9 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in XOMA insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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