0000818033 2026-09-23 2026-09-23 0000818033 false 8-K 2026-09-23 Heron Therapeutics, Inc. DE 001-33221 94-2875566 25 Fenton Main Street Suite 300 Cary NC 27511 (858) 251-4400 false false false false Common Stock, par value $0.01 per share HRTX NASDAQ false