---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-036853"
form_type: "8-K"
ticker: "ETON"
cik: "0001710340"
company_name: "Eton Pharmaceuticals, Inc."
filed_at: "2025-12-04T23:59:59+00:00"
generated_at: "2026-05-16T14:50:52.768227+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "low"
source: SEC EDGAR
---

# Eton Pharmaceuticals presents at Piper Sandler conference; no new material facts disclosed

## Summary
- Management attending Piper Sandler Annual Healthcare Conference on December 4, 2025 in New York.
- Corporate slide presentation furnished as Exhibit 99.1; content not provided in this filing.
- No financial or operational updates communicated beyond standard investor presentation.
- Event is routine investor outreach; no specific numbers or guidance changes reported.

## SEC filing metadata
- accession: 0001437749-25-036853
- form_type: 8-K
- ticker: ETON
- cik: 0001710340
- company_name: Eton Pharmaceuticals, Inc.
- filed_at: 2025-12-04T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1710340/000143774925036853/0001437749-25-036853-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1710340/000143774925036853/eton20251203_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-036853
- JSON: https://secwatch.observer/filing/0001437749-25-036853.json
- Plain text: https://secwatch.observer/filing/0001437749-25-036853.txt

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