secwatch.observer — SEC 8-K summary
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Issuer:     Xencor Inc (XNCR)
CIK:        0001326732
Form:       8-K
Filed at:   2026-07-29T20:05:44+00:00
Accession:  0001326732-26-000049
Event type: other_material
Sentiment:  positive
Materiality: 0.75
Item codes: 1.01, 2.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Xencor settles Ultomiris U.S. royalty dispute with Alexion for $105M
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- Xencor to receive $105M in two equal payments: $52.5M in Aug 2026 and $52.5M in July 2027.
- Alexion has no further obligation to pay U.S. royalties on Ultomiris; ex-U.S. royalties unchanged.
- Cash runway extended through 2028 based on current operating plans.
- Dispute began in March 2026 when Alexion claimed no further U.S. royalties were owed.
- CEO Bassil Dahiyat says resolution provides immediate capital and reflects expected U.S. royalty value.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1326732/000132673226000049/0001326732-26-000049-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1326732/000132673226000049/xncr-20260729.htm
  HTML page:      https://secwatch.observer/filing/0001326732-26-000049

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer