---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-112331"
form_type: "8-K"
ticker: "KYNB"
cik: "0000921299"
company_name: "KYNTRA BIO, INC."
filed_at: "2024-10-03T23:59:59+00:00"
generated_at: "2026-05-30T21:58:13.041653+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# FibroGen terminates headquarters lease, accelerates expiration to Dec 31, 2024, with $10M settlement

## Summary
- Entered Lease Termination Agreement with landlord ARE-San Francisco No.43 Owner, LLC.
- Lease at 409 Illinois Street, San Francisco, ends Dec 31, 2024 (previously later date).
- $10M settlement includes past rent, operating costs, lease modification payment, and security deposit (LC).
- FibroGen not responsible for further rent or operating costs after termination.

## SEC filing metadata
- accession: 0000950170-24-112331
- form_type: 8-K
- ticker: KYNB
- cik: 0000921299
- company_name: KYNTRA BIO, INC.
- filed_at: 2024-10-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/921299/000095017024112331/0000950170-24-112331-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/921299/000095017024112331/fgen-20240927.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-112331
- JSON: https://secwatch.observer/filing/0000950170-24-112331.json
- Plain text: https://secwatch.observer/filing/0000950170-24-112331.txt

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