---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-088309"
form_type: "8-K"
ticker: "CBLL"
cik: "0001861107"
company_name: "Ceribell, Inc."
filed_at: "2025-06-20T23:59:59+00:00"
generated_at: "2026-05-19T01:51:56.300841+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Ceribell exercises option to extend Stanford license exclusivity through patent expiration for $250K

## Summary
- Exercised option on June 12, 2025 to extend exclusive license for brain wave detection devices.
- Pays $250,000 exercise fee; remaining $20,000 waiver triggered.
- Exclusivity now runs through expiration of the last licensed patent, removing June 2025 sunset.
- No further milestone payments are due under amended agreement.
- License covers four Stanford inventions from Parvizi and Chafe labs.

## SEC filing metadata
- accession: 0000950170-25-088309
- form_type: 8-K
- ticker: CBLL
- cik: 0001861107
- company_name: Ceribell, Inc.
- filed_at: 2025-06-20T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1861107/000095017025088309/0000950170-25-088309-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1861107/000095017025088309/cbll-20250612.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-088309
- JSON: https://secwatch.observer/filing/0000950170-25-088309.json
- Plain text: https://secwatch.observer/filing/0000950170-25-088309.txt

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