---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-107404"
form_type: "8-K"
ticker: "HRTX"
cik: "0000818033"
company_name: "HERON THERAPEUTICS, INC. /DE/"
filed_at: "2025-08-12T23:59:59+00:00"
generated_at: "2026-05-17T15:02:11.860773+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Heron Therapeutics enters manufacturing/supply deal with Patheon, commits to 38,400 kg through 2026

## Summary
- Framework Agreement with Patheon Austria GmbH & Co KG, a Thermo Fisher unit, for manufacturing and supply of products.
- Heron commits to purchase 38,400 kg of Products through December 31, 2026.
- Prior agreements terminated; obligations replaced under amended Manufacturing and Supply Agreement.
- Patheon to continue stability studies and provide warehousing services for the Products.

## SEC filing metadata
- accession: 0000950170-25-107404
- form_type: 8-K
- ticker: HRTX
- cik: 0000818033
- company_name: HERON THERAPEUTICS, INC. /DE/
- filed_at: 2025-08-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/818033/000095017025107404/0000950170-25-107404-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/818033/000095017025107404/hrtx-20250806.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-107404
- JSON: https://secwatch.observer/filing/0000950170-25-107404.json
- Plain text: https://secwatch.observer/filing/0000950170-25-107404.txt

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