---
title: "Ligand Pharmaceuticals Amends XOMA Royalty Merger Agreement to Add Holding Company"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286776618.md"
description: "Ligand Pharmaceuticals has amended its merger agreement with XOMA Royalty to include XOMA Royalty Holdings as a party. This amendment facilitates a reorganization under which Ligand's Merger Sub will merge with HoldCo, which will become a wholly owned subsidiary of Ligand. The change aims to streamline the acquisition process of XOMA Royalty."
datetime: "2026-05-18T13:03:02.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286776618.md)
  - [en](https://longbridge.com/en/news/286776618.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286776618.md)
---

# Ligand Pharmaceuticals Amends XOMA Royalty Merger Agreement to Add Holding Company

Ligand Pharmaceuticals entered into Amendment No. 1 to its Agreement and Plan of Merger with XOMA Royalty to add XOMA Royalty Holdings as a party. The amendment supports a Nevada holding company reorganization under which Ligand's Merger Sub will merge with HoldCo, which will survive as a wholly owned Ligand subsidiary. The change is intended to streamline the structure and execution of the pending acquisition of XOMA Royalty.

**Agreement details:**

-   **Agreement type**: Amendment No. 1 to Agreement and Plan of Merger
-   **Counterparty**: XOMA Royalty; XOMA Royalty Holdings
-   **Signed / Effective**: May 16 2026 / same
-   **Duration / Termination**: Until closing of merger
-   **Reason**: Add HoldCo as a party to the merger

Original SEC Filing: LIGAND PHARMACEUTICALS INC \[ LGND \] - 8-K - May. 18, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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