secwatch.observer — SEC 8-K summary
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Issuer:     Lyell Immunopharma, Inc. (LYEL)
CIK:        0001806952
Form:       8-K
Filed at:   2025-09-16T23:59:59+00:00
Accession:  0001193125-25-205020
Event type: leadership
Sentiment:  negative
Materiality: 0.65
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Lyell Immunopharma CFO Charles Newton resigns effective Oct 31, 2025
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- Charles Newton resigns as CFO and principal financial/accounting officer, effective October 31, 2025.
- No disagreements cited; Newton may provide consulting services through April 30, 2026.
- Company plans to conduct a search for a new CFO; no replacement named yet.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1806952/000119312525205020/0001193125-25-205020-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1806952/000119312525205020/d948282d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-205020

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