HERON THERAPEUTICS, INC. /DE/ (HRTX) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: November 04, 2025

Risk Assessment Details

Potential Dilution: 9.71% of current shares
Recent Dilution: 172.58% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
170M
Potential Supply
17M
Additional shares possible
Splits
None
Past 2 years

Summary

HRTX currently has 170M outstanding shares. with limited dilution risk as only 16.5M additional shares (9.7%) are authorized for issuance. The company has significantly diluted shareholders by 172.58% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Nov 04, 2025

10-Q filing | 170.3M shares outstanding

170M 17M
Sep 09, 2025

S-3 filing: Heron Therapeutics files an S-3 shelf registration to offer an aggregate of $125,000,000 of common stock, preferred stock, debt securities, warrants, rights or units.

150M 33M
Sep 09, 2025

S-3 filing: This prospectus relates to the potential resale or other disposition by the selling stockholders of an aggregate of 37,911,081 shares of common stock of Heron Therapeutics, Inc.

400M 0
Aug 08, 2025

8-K filing: Heron Therapeutics, Inc. entered into a securities purchase agreement for the private sale of 13,225,227 unregistered shares of common stock and 524,141 unregistered shares of Series A Convertible Preferred Stock at $1.50 per share for an aggregate investment amount of approximately $27.7 million, with the preferred stock automatically converting into 5,241,410 shares of common stock upon stockholder approval. ($20.62M proceeds)

150M 0
Aug 08, 2025

10-Q filing | 154.0M shares outstanding

150M 0
May 06, 2025

10-Q filing | 153.5M shares outstanding

150M 0
Feb 27, 2025

10-K filing | 152.4M shares outstanding

150M 0
Nov 12, 2024

10-Q filing | 152.8M shares outstanding

150M 0
Aug 06, 2024

10-Q filing | 152.3M shares outstanding

150M 0
May 07, 2024

10-Q filing | 151.2M shares outstanding

150M 0
Mar 12, 2024

10-K filing | 138.1M shares outstanding

140M 11M
Nov 14, 2023

10-Q filing | 145.0M shares outstanding

140M 4M
Aug 23, 2023

S-3 filing: Heron Therapeutics, Inc. is offering 21,897,808 shares of common stock on a resale basis by selling stockholders.

140M 8.2M
Aug 14, 2023

10-Q filing | 140.8M shares outstanding

140M 0
May 11, 2023

10-Q filing | 119.2M shares outstanding

120M 7.8M
Mar 29, 2023

10-K filing | 119.3M shares outstanding

120M 7.8M
Nov 08, 2022

10-Q filing | 111.7M shares outstanding

110M 15M
Oct 07, 2022

S-3 filing: This S-3 filing registers the resale of 24,677,419 shares of common stock by selling stockholders, including shares issuable upon exercise of pre-funded warrants. The company will not receive proceeds from the sales, except for the nominal exercise price of the warrants.

120M 8.3M
Aug 09, 2022

10-Q filing | 102.4M shares outstanding

100M 0
May 09, 2022

10-Q filing | 102.5M shares outstanding

100M 0
Feb 28, 2022

10-K filing | 102.1M shares outstanding

100M 0
Nov 03, 2021

10-Q filing | 101.9M shares outstanding

100M 0
Aug 09, 2021

10-Q filing | 101.9M shares outstanding

100M 0
May 10, 2021

10-Q filing | 101.8M shares outstanding

100M 0
Feb 24, 2021

10-K filing | 91.4M shares outstanding

91M 0
Nov 05, 2020

10-Q filing | 90.9M shares outstanding

91M 0
Aug 05, 2020

10-Q filing | 90.9M shares outstanding

91M 0
May 06, 2020

10-Q filing | 90.6M shares outstanding

91M 0
Mar 02, 2020

10-K filing | 90.4M shares outstanding

90M 0
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