Xencor Inc (XNCR) 8-K Current Report: March 4, 2026

Filed: March 4, 2026
Health Care
Pharmaceutical Preparations

Xencor Inc (XNCR) 8-K current report filed with SEC EDGAR on March 4, 2026. This page provides AI-powered analysis of reported events and material disclosures, including results of operations, corporate governance changes, agreements, and other triggering events as disclosed under Form 8-K item codes.

Reported 8-K Items
1 item

  • Item 7.01: Regulation FD Disclosure

Xencor Inc 8-K Mar 4, 2026 Event Analysis

Item 7.01 · Regulation FD Disclosure

  • Alexion (AstraZeneca sub) unilaterally stopped U.S. royalty payments on Ultomiris®, disputing obligation under existing license agreement
  • At risk: $100–$120M in aggregate royalties Xencor expected to receive through 2028 on U.S. Ultomiris sales
  • Alexion will continue paying ex-U.S. royalties, limiting but not eliminating ongoing royalty stream
  • Xencor disputes Alexion's position and is "evaluating options" — signals potential litigation over patent/license rights
  • Cash guidance $380M–$400M by end of 2026, with runway into mid-2028, suggesting dispute doesn't threaten near-term solvency

Other Xencor Inc 8-K Filings

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