---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-085439"
form_type: "8-K"
ticker: "KYNB"
cik: "0000921299"
company_name: "KYNTRA BIO, INC."
filed_at: "2025-06-12T23:59:59+00:00"
generated_at: "2026-05-19T12:06:26.288833+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# FibroGen to effect 1-for-25 reverse stock split to regain Nasdaq compliance

## Summary
- Reverse split effective 5:00 p.m. ET June 16, 2025; post-split trading begins June 17.
- Outstanding shares reduced from ~101.1M to ~4.0M; new CUSIP 31572Q881.
- No fractional shares issued; cash paid in lieu of fractional interests.
- Split approved by stockholders at June 4, 2025 annual meeting.
- Aims to meet Nasdaq minimum bid price requirement (Rule 5450(a)(1)).

## SEC filing metadata
- accession: 0000950170-25-085439
- form_type: 8-K
- ticker: KYNB
- cik: 0000921299
- company_name: KYNTRA BIO, INC.
- filed_at: 2025-06-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/921299/000095017025085439/0000950170-25-085439-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/921299/000095017025085439/fgen-20250610.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-085439
- JSON: https://secwatch.observer/filing/0000950170-25-085439.json
- Plain text: https://secwatch.observer/filing/0000950170-25-085439.txt

## Key facts
- Governance Changes
  KYNTRA BIO, INC.: Effected a 1-for-25 reverse stock split of common stock via amendment to the certificate of incorporation (effective 2025-06-16).
  - Change: charter amendment
  - Effective: 2025-06-16
  source text: On June 10, 2025, FibroGen, Inc. (“FibroGen” or the “Company”) filed a Certificate of Amendment of the Amended and Restated Certificate of Incorporation (the “Certificate of Amendment”) with the Secretary of State of the State of Delaware for a 1-for-25 reverse stock split (the “Reverse Stock Split”) of the issued and outstanding shares of the Company's Common Stock (the “Common Stock” ). The Certificate of Amendment will take effect, as of 5:00 p.m. Eastern Time on June 16, 2025 (the “Effective Time”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/921299/000095017025085439/0000950170-25-085439-index.htm

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