XOMA Completes Acquisition of Entire Share Capital of Mural Oncology
XOMA Royalty (XOMA) completed its previously announced acquisition of the entire issued and to be issued share capital of Mural Oncology (MURA) pursuant to an Irish High Court sanctioned scheme of arrangement under Chapter 1 of Part 9 of the Companies Act 2014 of Ireland. Mural shareholders received $2.035 in cash per share. The Acquisition was approved by Mural shareholders at a special meeting of shareholders convened pursuant to section 450(1) of the Irish Companies Act 2014 and an extraordinary general meeting of shareholders held on October 24, 2025. The Irish High Court sanctioned the Scheme on December 3, 2025. On December 5, 2025, the Scheme and the Acquisition became effective upon delivery of the court order to the Irish Companies Registration Office. Prior to the opening of trading on December 5, 2025, all of Mural's shares will cease trading on Nasdaq, and Mural intends promptly to cause such shares to be delisted from Nasdaq and deregistered under the Securities Exchange Act of 1934, as amended.
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- Investigation Launched: Pomerantz LLP is investigating whether XOMA Royalty Corporation has engaged in securities fraud or other unlawful business practices, which could undermine investor confidence and lead to further stock declines.
- Poor Clinical Trial Results: The Phase 3 sunRIZE study results released by Rezolute, Inc. indicate that ersodetug failed to meet its primary endpoint in treating congenital hyperinsulinism, raising concerns about XOMA's future prospects in the market.
- Significant Stock Drop: Following the unfavorable news, XOMA's stock price fell by $7.82, or 22.76%, closing at $25.39 per share on December 19, 2025, reflecting investor disappointment in the company's outlook.
- Increased Legal Risks: As the investigation progresses, XOMA may face heightened legal liabilities and potential compensation claims, which could have long-term negative impacts on the company's financial health and market reputation.
- Investigation Launched: Pomerantz LLP is investigating whether XOMA Royalty Corporation has engaged in securities fraud or other unlawful business practices, which could undermine investor confidence and lead to further stock volatility.
- Disappointing Clinical Trial Results: Rezolute, Inc.'s Phase 3 sunRIZE study results indicate that ersodetug failed to meet its primary endpoint in treating congenital hyperinsulinism, potentially impacting XOMA's market outlook.
- Significant Stock Drop: Following the adverse news, XOMA's stock price fell by $7.82, or 22.76%, closing at $25.39 on December 19, 2025, reflecting market pessimism regarding the company's future.
- Increased Legal Risks: As the investigation unfolds, XOMA faces potential legal liabilities and compensation risks, which could adversely affect its financial condition and investor trust in the long term.
- Executive Change: XOMA Royalty's CFO Thomas Burns has resigned to pursue other professional opportunities, indicating a dynamic adjustment within the company's leadership team.
- New CFO Appointment: Jeffrey Trigilio has been appointed as the new CFO, bringing extensive industry experience from his previous role as Chief Financial and Operating Officer at Obsidian Therapeutics.
- Strategic Commitment: Trigilio emphasized the continuation of disciplined capital deployment and innovative deal structuring strategies to enhance the company's royalty portfolio and generate value for shareholders.
- Market Performance: In pre-market trading, XOMA's stock is priced at $29.97, reflecting a 0.40% increase, indicating a positive market reaction to the leadership change.
- Executive Transition: XOMA Royalty's CFO Thomas Burns has stepped down after nearly 20 years, during which he established a strong financial foundation to support future growth, reflecting the company's stability amid leadership changes.
- New CFO Background: Jeffrey Trigilio has been appointed as the new CFO, bringing extensive experience from various biotech companies and investment banks, which is expected to drive the company's development forward.
- Strategic Direction: Trigilio emphasized the continuation of disciplined capital deployment and innovative deal structuring strategies aimed at enhancing the royalty portfolio and generating shareholder value, indicating the company's confidence in future growth.
- Market Positioning: As a biotechnology royalty aggregator, XOMA Royalty focuses on acquiring potential future economic benefits, assisting biotech firms in achieving their goals of improving human health, showcasing its unique role within the healthcare ecosystem.
- Stock Price Plunge: Following the failure of Rezolute, Inc.'s Phase 3 sunRIZE study to meet its primary endpoint, XOMA's stock price fell by $7.82, or 22.76%, closing at $25.39 on December 19, 2025, indicating strong market concerns about its future prospects.
- Poor Study Results: The study only showed an approximate 45% reduction in hypoglycemia events at the highest dose of 10 mg/kg, which was not statistically significant compared to the placebo group's 40% improvement, reflecting limited drug efficacy that may impact future R&D investments.
- Legal Investigation Initiated: Pomerantz LLP is investigating whether XOMA and its executives engaged in securities fraud or other unlawful business practices, signaling a severe blow to investor confidence in corporate governance and transparency, which could lead to further legal risks.
- Market Reaction Strong: This significant stock price drop not only undermines investor confidence but may also negatively affect XOMA's ability to secure financing and future partnerships, exacerbating market skepticism about its business model.
- Significant Stock Drop: XOMA's stock price fell by $7.82, or 22.76%, to close at $25.39 on December 19, 2025, following Rezolute's announcement that its Phase 3 sunRIZE study did not meet its primary endpoint, directly impacting investor confidence and market performance.
- Poor Study Results: Rezolute reported that while there was an approximate 45% reduction in hypoglycemia events at the highest dose of ersodetug, this was not statistically significant compared to the placebo group's 40% improvement, highlighting the limitations of the drug's efficacy.
- Legal Investigation Initiated: Pomerantz LLP is investigating whether XOMA and its executives engaged in securities fraud or other unlawful business practices, which could further impact the company's reputation and future legal liabilities.
- Increased Investor Vigilance: The study failure and subsequent stock drop have heightened investor scrutiny on XOMA's future developments and market strategies, potentially leading to greater challenges in financing and partnerships for the company.









