---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-308794"
form_type: "8-K"
ticker: "XOMA"
cik: "0000791908"
company_name: "XOMA Royalty Corp"
filed_at: "2025-12-05T23:59:59+00:00"
generated_at: "2026-05-16T14:25:38.084517+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# XOMA Royalty completes acquisition of Mural Oncology for $2.035/share

## Summary
- Deal closed Dec 5, 2025; Mural shareholders received $2.035 cash per share.
- Transaction approved by Mural shareholders on Oct 24, 2025; Irish High Court sanctioned Dec 3.
- Mural shares ceased trading on Nasdaq effective Dec 5; will be delisted and deregistered.
- XOMA Royalty acquired entire share capital of Mural via Irish scheme of arrangement.

## SEC filing metadata
- accession: 0001193125-25-308794
- form_type: 8-K
- ticker: XOMA
- cik: 0000791908
- company_name: XOMA Royalty Corp
- filed_at: 2025-12-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/791908/000119312525308794/0001193125-25-308794-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/791908/000119312525308794/d20776d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-308794
- JSON: https://secwatch.observer/filing/0001193125-25-308794.json
- Plain text: https://secwatch.observer/filing/0001193125-25-308794.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.