secwatch.observer — SEC 8-K summary ====================================== Issuer: Lyell Immunopharma, Inc. (LYEL) CIK: 0001806952 Form: 8-K Filed at: 2025-04-01T23:59:59+00:00 Accession: 0001193125-25-070521 Event type: other_material Sentiment: negative Materiality: 0.65 Item codes: 2.05, 7.01, 5.02 LLM model: deepseek-v4-flash:cloud@v2 Lyell Immunopharma to close West Hills facility, cut 73 jobs; CBO resigns ------------------------------------------------------------------------- - Board approved closure of West Hills manufacturing facility acquired from ImmPACT Bio in 2024. - Workforce reduced by ~73 employees; expects $3M-$4M in severance costs in Q2/Q3 2025. - LyFE center in Bothell, WA to manufacture IMPT-314 for clinical trials and potential launch. - Matthew Lang (CBO) resigns effective April 13; will remain advisor until September 30, 2025. - Reaffirms 2025 net cash use guidance of $175M-$185M; cash runway into 2027. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1806952/000119312525070521/0001193125-25-070521-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1806952/000119312525070521/d920617d8k.htm HTML page: https://secwatch.observer/filing/0001193125-25-070521 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer