---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-129415"
form_type: "8-K"
ticker: null
cik: "0001305253"
company_name: "Eiger BioPharmaceuticals, Inc."
filed_at: "2024-05-02T23:59:59+00:00"
generated_at: "2026-06-03T00:04:43.615955+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Eiger BioPharma CFO resigns; appoints CRO amid Chapter 11 bankruptcy

## Summary
- CFO William G. Kachioff resigned effective April 29, 2024, as company restructures under Chapter 11.
- Board appointed Douglas Staut (Alvarez & Marsal) as Chief Restructuring Officer effective April 19, 2024.
- Company in Chapter 11 bankruptcy (Case 24-80040); relying on A&M for financial and accounting functions.
- Company warns trading in its securities is highly speculative and may result in total loss for holders.

## SEC filing metadata
- accession: 0001193125-24-129415
- form_type: 8-K
- cik: 0001305253
- company_name: Eiger BioPharmaceuticals, Inc.
- filed_at: 2024-05-02T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 5.02, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1305253/000119312524129415/0001193125-24-129415-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1305253/000119312524129415/d833509d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-129415
- JSON: https://secwatch.observer/filing/0001193125-24-129415.json
- Plain text: https://secwatch.observer/filing/0001193125-24-129415.txt

## Key facts
- Executive change
  William G. Kachioff resigned as Chief Financial Officer at Eiger BioPharmaceuticals, Inc..
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On April 26, 2024, William G. Kachioff notified Eiger BioPharmaceuticals, Inc. (the “ Company ”) of his resignation as the Company’s Chief Financial Officer, to be effective April 29, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1305253/000119312524129415/0001193125-24-129415-index.htm

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