---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-028189"
form_type: "8-K"
ticker: "LYEL"
cik: "0001806952"
company_name: "Lyell Immunopharma, Inc."
filed_at: "2023-08-08T23:59:59+00:00"
generated_at: "2026-06-12T02:34:12.747868+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Lyell Immunopharma Q2 net loss $63.9M, no revenue, cash $632.7M; Phase 1 data on track

## Summary
- Net loss of $63.9M for Q2 2023, compared to $36.3M in Q2 2022; non-GAAP net loss $45.6M vs $10.3M.
- Revenue near zero vs $35.7M in prior year period, due to termination of GSK collaboration in Dec 2022.
- Cash, cash equivalents and marketable securities $632.7M as of June 30, 2023; expected to fund operations into 2026.
- Appointed Matt Lang as Chief Business Officer, also serving as Chief Legal Officer and Corporate Secretary.
- Phase 1 trials LYL797 and LYL845 ongoing; initial data expected 2024; IND for LYL119 expected H1 2024.

## SEC filing metadata
- accession: 0001628280-23-028189
- form_type: 8-K
- ticker: LYEL
- cik: 0001806952
- company_name: Lyell Immunopharma, Inc.
- filed_at: 2023-08-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1806952/000162828023028189/0001628280-23-028189-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1806952/000162828023028189/lyel-20230808.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-028189
- JSON: https://secwatch.observer/filing/0001628280-23-028189.json
- Plain text: https://secwatch.observer/filing/0001628280-23-028189.txt

## Key facts
- Earnings Releases
  Lyell Immunopharma, Inc. reported the quarter ended June 30, 2023 results: revenue approximately zero, net income net loss of $63.9 million.
  - Period: the quarter ended June 30, 2023
  - Revenue: approximately zero
  - Net income: net loss of $63.9 million
  - Result: reported results
  source text: Lyell reported a net loss of $63.9 million for the second quarter ended June 30, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1806952/000162828023028189/0001628280-23-028189-index.htm

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