---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-229453"
form_type: "8-K"
ticker: null
cik: "0001305253"
company_name: "Eiger BioPharmaceuticals, Inc."
filed_at: "2024-10-01T23:59:59+00:00"
generated_at: "2026-05-30T23:04:14.683762+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Eiger BioPharmaceuticals Chapter 11 liquidation plan effective; common stock cancelled

## Summary
- September 30, 2024 effective date: all outstanding common shares cancelled and no longer valid.
- Equity holders entitled to pro rata share of Existing Equity Interest Recovery Pool, if any.
- Company intends to file Form 15 to immediately suspend SEC reporting obligations.
- Plan confirmed by Bankruptcy Court on September 5, 2024; earlier Chapter 11 filing on April 1, 2024.

## SEC filing metadata
- accession: 0001193125-24-229453
- form_type: 8-K
- cik: 0001305253
- company_name: Eiger BioPharmaceuticals, Inc.
- filed_at: 2024-10-01T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.03, 3.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1305253/000119312524229453/0001193125-24-229453-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1305253/000119312524229453/d850551d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-229453
- JSON: https://secwatch.observer/filing/0001193125-24-229453.json
- Plain text: https://secwatch.observer/filing/0001193125-24-229453.txt

## Key facts
- Distress & Bankruptcy
  Eiger BioPharmaceuticals, Inc. entered chapter 11 in United States Bankruptcy Court for the Northern District of Texas (petition 2024-04-01).
  - Proceeding: chapter 11
  - Court: United States Bankruptcy Court for the Northern District of Texas
  - Petition: 2024-04-01
  source text: on April 1, 2024, Eiger BioPharmaceuticals, Inc. (the “ Company ”) and its direct subsidiaries (together the “ Debtors ”) filed voluntary petitions for relief under chapter 11 of Title 11 of the United States Code in the United States Bankruptcy Court for the Northern District of Texas (the “ Bankruptcy Court ”) under the caption In re Eiger BioPharmaceuticals, Inc., et al , Case No. 24-80040.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1305253/000119312524229453/0001193125-24-229453-index.htm

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