---
schema_version: "secwatch.filing_event.v1"
accession: "0001699031-25-000180"
form_type: "8-K"
ticker: "GRAL"
cik: "0001699031"
company_name: "GRAIL, Inc."
filed_at: "2025-09-18T23:59:59+00:00"
generated_at: "2026-05-17T06:15:46.495323+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# GRAIL signs 11-year lease for 75,556 RSF Sunnyvale HQ; base rent ~$449,558/month

## Summary
- 11-year lease for ~75,556 RSF office/lab at 250 S. Matilda Ave, Sunnyvale, CA.
- Lease starts Oct 1, 2026; expires Sep 30, 2037; base rent starts at $5.39M/yr (~$5.95/RSF) escalating ~5% annually.
- Tenant improvement allowance of $14.36M ($190/RSF) plus $3.02M ($40/RSF) additional allowance.
- Landlord requires a $3.625M letter of credit as security.
- Tenant has option to expand into additional space and renew for five years.

## SEC filing metadata
- accession: 0001699031-25-000180
- form_type: 8-K
- ticker: GRAL
- cik: 0001699031
- company_name: GRAIL, Inc.
- filed_at: 2025-09-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1699031/000169903125000180/0001699031-25-000180-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1699031/000169903125000180/gral-20250911.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001699031-25-000180
- JSON: https://secwatch.observer/filing/0001699031-25-000180.json
- Plain text: https://secwatch.observer/filing/0001699031-25-000180.txt

## Key facts
- Debt Financings
  GRAIL, Inc. incurred lease obligation with Sunnyvale Office Acquisition, LLC maturing September 30, 2037.
  - Instrument: lease obligation
  - Counterparty: Sunnyvale Office Acquisition, LLC
  - Maturity: September 30, 2037
  - Event: incurrence
  source text: On September 11, 2025, GRAIL, Inc. (the “Company”) entered into a commercial lease agreement (the “Lease”) with Sunnyvale Office Acquisition, LLC pursuant to which the Company agreed to lease an aggregate of approximately 75,556 rentable square feet for a new corporate headquarters located at 250 S. Matilda Avenue in Sunnyvale, California.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1699031/000169903125000180/0001699031-25-000180-index.htm

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