---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-232064"
form_type: "8-K"
ticker: "LYEL"
cik: "0001806952"
company_name: "Lyell Immunopharma, Inc."
filed_at: "2023-09-11T23:59:59+00:00"
generated_at: "2026-06-10T21:48:30.041040+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# Lyell Immunopharma furnishes investor presentation; no substantive content in filing

## Summary
- Filing under Item 7.01 announces a September 11, 2023 investor presentation.
- Presentation available on company IR website; attached Exhibit 99.1 lacks slide content.
- No financial data, pipeline updates, or guidance provided in this 8-K.
- Disclosure is routine FD with no material new information for investors.

## SEC filing metadata
- accession: 0001193125-23-232064
- form_type: 8-K
- ticker: LYEL
- cik: 0001806952
- company_name: Lyell Immunopharma, Inc.
- filed_at: 2023-09-11T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1806952/000119312523232064/0001193125-23-232064-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1806952/000119312523232064/d506931d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-232064
- JSON: https://secwatch.observer/filing/0001193125-23-232064.json
- Plain text: https://secwatch.observer/filing/0001193125-23-232064.txt

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