---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-012443"
form_type: "8-K"
ticker: "ETON"
cik: "0001710340"
company_name: "Eton Pharmaceuticals, Inc."
filed_at: "2024-04-18T23:59:59+00:00"
generated_at: "2026-06-03T19:05:21.832652+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Eton cancels $13.1M equity raise and credit expansion after losing Eiger auction

## Summary
- Planned to issue 1,287,500 common shares at $3.50 and pre-funded warrants for 2,462,500 shares.
- Also planned to expand credit facility from $21.9M to $27.0M with a lender warrant for 358,976 shares.
- All transactions were contingent on winning an auction for Eiger BioPharmaceuticals assets on April 17, 2024.
- Eton was not the successful bidder; therefore all agreements were cancelled and are void.
- No underwriters were used; the offerings were exempt under Regulation D Rule 506.

## SEC filing metadata
- accession: 0001437749-24-012443
- form_type: 8-K
- ticker: ETON
- cik: 0001710340
- company_name: Eton Pharmaceuticals, Inc.
- filed_at: 2024-04-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1710340/000143774924012443/0001437749-24-012443-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1710340/000143774924012443/eton20240412_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-012443
- JSON: https://secwatch.observer/filing/0001437749-24-012443.json
- Plain text: https://secwatch.observer/filing/0001437749-24-012443.txt

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