---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-164853"
form_type: "8-K"
ticker: "LYEL"
cik: "0001806952"
company_name: "Lyell Immunopharma, Inc."
filed_at: "2025-07-25T23:59:59+00:00"
generated_at: "2026-05-18T01:14:16.492059+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Lyell Immunopharma raises up to $100M in private placement; initial $50M at $13.32/share

## Summary
- Initial closing of ~$50M from 3,753,752 shares at $13.32/share on July 25, 2025.
- Milestone closing option for another ~$50M upon LYL314 PiNACLE trial milestone within 12 months.
- Investor call option to purchase additional shares at $30.73/share before milestone closing.
- Proceeds to fund two pivotal-stage trials of LYL314 and extend cash runway into mid-2027.
- Resale registration rights granted; securities issued in exempt private placement.

## SEC filing metadata
- accession: 0001193125-25-164853
- form_type: 8-K
- ticker: LYEL
- cik: 0001806952
- company_name: Lyell Immunopharma, Inc.
- filed_at: 2025-07-25T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1806952/000119312525164853/0001193125-25-164853-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1806952/000119312525164853/d24368d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-164853
- JSON: https://secwatch.observer/filing/0001193125-25-164853.json
- Plain text: https://secwatch.observer/filing/0001193125-25-164853.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.