---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-352403"
form_type: "8-K"
ticker: "HRTX"
cik: "0000818033"
company_name: "HERON THERAPEUTICS, INC. /DE/"
filed_at: "2026-08-14T20:30:17+00:00"
generated_at: "2026-08-14T20:34:14.434002+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Heron Therapeutics extends Tax Benefit Preservation Plan to August 14, 2029

## Summary
- Amendment No. 1 to Tax Benefit Preservation Plan dated Aug 13, 2026 with Computershare Trust Company.
- Final Expiration Date extended from Aug 14, 2026 to Aug 14, 2029.
- Plan originally dated Aug 14, 2025; amendment modifies definition of Final Expiration Date.
- No other terms of the Plan changed; rights agent remains Computershare.

## SEC filing metadata
- accession: 0001193125-26-352403
- form_type: 8-K
- ticker: HRTX
- cik: 0000818033
- company_name: HERON THERAPEUTICS, INC. /DE/
- filed_at: 2026-08-14T20:30:17+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 1.01, 3.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/818033/000119312526352403/0001193125-26-352403-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/818033/000119312526352403/hrtx-20260813.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-352403
- JSON: https://secwatch.observer/filing/0001193125-26-352403.json
- Plain text: https://secwatch.observer/filing/0001193125-26-352403.txt

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