XOMAHealthcareSmall-Cap
XOMA Royalty Corp Insider Trading Activity
Every SEC Form 4 insider transaction reported for XOMA Royalty Corp (XOMA), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are XOMA insiders buying or selling?
XOMA Royalty Corp insiders reported 44 open-market buys ($33.4M) and 24 sells ($61.6M) across 68 Form 4 filings — a net selling position of $28.2M.
Source: SEC EDGAR Form 4
Key Statistics (as of Dec 8, 2025)
Total Form 4 filings
68
SEC EDGAR
Insider filers
8
Insider buys (44)
$33.4M
Insider sells (24)
$61.6M
Insider sentiment
Net sellingNet insider flow of $28.2M in net selling.
Recent XOMA insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Dec 8, 2025 | Owen Hughes | Chief Executive Officer | Purchase | 100.0K | $25.05 | $2.5M |
| Sep 23, 2025 | Thomas M. Burns | SVP, Finance & CFO | Sale | 4.3K | $35.99 | $155.8K |
| Jul 2, 2025 | Bradley Sitko | Chief Investment Officer | Purchase | 2.0K | $25.39 | $50.8K |
| May 21, 2025 | Owen Hughes | Chief Executive Officer | Sale | 25.6K | $25.38 | $650.7K |
| May 21, 2025 | Thomas M. Burns | SVP, Finance & CFO | Sale | 10.5K | $25.38 | $266.0K |
| May 20, 2025 | Mark N Lampert | 10% Owner | Sale | 392.7K | $27.10 | $10.6M |
| Apr 9, 2025 | Bradley Sitko | Chief Investment Officer | Purchase | 2.0K | $24.70 | $49.4K |
| Apr 7, 2025 | Joseph M Limber | Director | Purchase | 30.0K | $25.34 | $760.1K |
| Apr 2, 2025 | Bradley Sitko | Chief Investment Officer | Purchase | 1.2K | $21.04 | $26.2K |
| Apr 2, 2025 | Thomas M. Burns | SVP, Finance & CFO | Purchase | 1.0K | $25.46 | $25.5K |
| Mar 25, 2025 | Bradley Sitko | Chief Investment Officer | Purchase | 4.1K | $23.89 | $98.8K |
| Jan 28, 2025 | Mark N Lampert | 10% Owner | Sale | 650.7K | $26.10 | $17.0M |
| Jan 10, 2025 | Bradley Sitko | Chief Investment Officer | Purchase | 545 | $25.64 | $14.0K |
| Jan 3, 2025 | Bradley Sitko | Chief Investment Officer | Purchase | 300 | $25.90 | $7.8K |
| Nov 13, 2024 | Thomas M. Burns | SVP, Finance & CFO | Sale | 9.8K | $29.94 | $292.7K |
| Nov 13, 2024 | Owen Hughes | Chief Executive Officer | Sale | 21.9K | $29.95 | $655.3K |
| Oct 4, 2023 | Bradley Sitko | Chief Investment Officer | Purchase | 1.8K | $14.20 | $24.8K |
| Oct 4, 2023 | Owen Hughes | Exec Chairman and Interim CEO | Purchase | 1.0K | $13.83 | $13.8K |
| Sep 27, 2023 | Owen Hughes | Exec Chairman and Interim CEO | Purchase | 2.5K | $14.43 | $36.1K |
| Jun 2, 2023 | Bradley Sitko | Chief Investment Officer | Purchase | 1.5K | $17.13 | $25.7K |
| May 25, 2023 | Bradley Sitko | Chief Investment Officer | Purchase | 850 | $19.00 | $16.1K |
| May 25, 2023 | Owen Hughes | Interim CEO | Purchase | 2.0K | $23.63 | $47.3K |
| May 22, 2023 | Bradley Sitko | Chief Investment Officer | Purchase | 1.0K | $19.50 | $19.5K |
| May 17, 2023 | Bradley Sitko | Chief Investment Officer | Purchase | 500 | $23.20 | $11.6K |
| May 16, 2023 | Bradley Sitko | Chief Investment Officer | Purchase | 3.5K | $20.88 | $73.1K |
Showing the 25 most recent of 68 Form 4 filings for XOMA Royalty Corp.
Most active XOMA insiders
- BVF PARTNERS L P/IL25 filings
- Bradley Sitko12 filings
- James R Neal11 filings
- Thomas M. Burns10 filings
- Owen Hughes6 filings
Ask anything about XOMA insider activity
Use Trabud's AI agent to query XOMA Royalty Corp's Form 4 history in plain English — "Show me XOMA CEO purchases this year" or compare it against any other ticker.
Open the AI agentXOMA insider trading FAQ
Are XOMA Royalty Corp insiders buying or selling?
Across 68 SEC Form 4 filings, XOMA Royalty Corp (XOMA) insiders reported 44 open-market purchases totaling $33.4M and 24 sales totaling $61.6M. That is a net selling position of $28.2M.
How many insiders trade XOMA stock?
8 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for XOMA Royalty Corp. The most recent filing was accepted on Dec 8, 2025.
Where does Trabud get XOMA insider trading data?
All XOMA insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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