---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-051219"
form_type: "8-K"
ticker: "KYNB"
cik: "0000921299"
company_name: "KYNTRA BIO, INC."
filed_at: "2025-04-04T23:59:59+00:00"
generated_at: "2026-05-23T22:08:07.181965+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# FibroGen amends bylaws to lower stockholder quorum to one-third from majority

## Summary
- Board adopted Amended and Restated Bylaws effective April 2, 2025.
- Quorum reduced to holders of at least one-third of outstanding shares, down from majority.
- Separate class quorum also changed to one-third of voting power.
- Amendment applies to all stockholder meetings; no other bylaw changes disclosed.

## SEC filing metadata
- accession: 0000950170-25-051219
- form_type: 8-K
- ticker: KYNB
- cik: 0000921299
- company_name: KYNTRA BIO, INC.
- filed_at: 2025-04-04T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/921299/000095017025051219/0000950170-25-051219-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/921299/000095017025051219/fgen-20250402.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-051219
- JSON: https://secwatch.observer/filing/0000950170-25-051219.json
- Plain text: https://secwatch.observer/filing/0000950170-25-051219.txt

## Key facts
- Governance Changes
  KYNTRA BIO, INC.: Amended bylaws to reduce stockholder meeting quorum requirement from a majority to at least one-third of outstanding shares entitled to vote (effective 2025-04-02).
  - Change: bylaw amendment
  - Effective: 2025-04-02
  source text: On April 2, 2025, the board of directors of FibroGen, Inc. (the “Company”) amended and restated the Company’s amended and restated bylaws (as amended and restated, the “Amended and Restated Bylaws”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/921299/000095017025051219/0000950170-25-051219-index.htm

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