secwatch.observer — SEC 8-K summary ====================================== Issuer: LIGAND PHARMACEUTICALS INC (LGND) CIK: 0000886163 Form: 8-K Filed at: 2026-05-18T13:01:36+00:00 Accession: 0001193125-26-228003 Event type: m_and_a Sentiment: neutral Materiality: 0.20 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Ligand and XOMA Royalty amend merger agreement to add HoldCo as party --------------------------------------------------------------------- - Amendment No. 1 dated May 16, 2026, adds XOMA Royalty Holdings Corp as a party to the merger agreement. - HoldCo was formed on May 15, 2026 to facilitate the holding company reorganization under Nevada law. - Changes are technical, including joinder of HoldCo and minor section amendments; deal value/terms unchanged. - The merger was previously announced on April 27, 2026; transaction conditions remain the same. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/886163/000119312526228003/0001193125-26-228003-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/886163/000119312526228003/d86489d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-228003 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer