Fusion Fuel Green PLC (HTOO) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 07, 2026

Risk Assessment Details

Potential Dilution: 1472.15% of current shares
Recent Dilution: 31.96% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
2.3M
Potential Supply
34M
Additional shares possible
Splits
None
Past 2 years

Summary

HTOO currently has 2.29M outstanding shares. with significant dilution risk as 33.7M authorized shares could dilute existing holders by 1472.2%. The company has significantly diluted shareholders by 31.96% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 07, 2026

20-F filing | 2.3M shares outstanding

2.3M 34M
Mar 18, 2026

F-3 filing: This filing itemizes the total expenses expected to be incurred in connection with the registrable securities being registered for resale and the offer and sale of the registrable securities by the selling shareholders.

23M 34M
Aug 08, 2025

F-3 filing: This is an F-3 filing for the resale of registrable securities by the selling shareholders. The total expenses are estimated to be $170,595.67.

23M 34M
May 13, 2025

F-3 filing: The company may offer Class A Ordinary Shares, preferred shares, debt securities, warrants, and units in one or more offerings up to an aggregate offering price of $35,000,000.

23M 34M
May 09, 2025

20-F filing | 22.9M shares outstanding

23M 34M
Mar 28, 2025

F-3 filing: This F-3 filing relates to the offer and sale from time to time by Keystone Capital Partners, LLC, of up to 6,247,684 Class A ordinary shares of Fusion Fuel Green PLC pursuant to an Ordinary Shares Purchase Agreement.

17M 34M
Mar 28, 2025

F-3 filing: This F-3 filing registers for resale up to 27,439,440 Class A ordinary shares of Fusion Fuel Green PLC, including shares issuable upon conversion of senior convertible notes and exercise of warrants.

17M 34M
Apr 30, 2024

20-F filing | 17.4M shares outstanding

17M 0
Feb 06, 2024

F-3 filing: The filing discusses the potential volatility of the company's Class A Ordinary Shares and the company's intention to retain earnings for business operations, as well as the potential need for additional funding.

14M 0
May 16, 2023

20-F filing | 13.8M shares outstanding

14M 0
Aug 05, 2022

POS AM filing: This is a POS AM filing for Fusion Fuel Green PLC relating to the issuance of Class A ordinary shares upon exercise of warrants and the resale of Class A ordinary shares and warrants by the selling securityholders.

11M 0
Jul 29, 2022

POS AM filing: This prospectus relates to the issuance of Class A ordinary shares upon warrant exercises and the resale of Class A ordinary shares and warrants by selling securityholders.

11M 0
May 05, 2022

F-3 filing: The company may offer and sell Class A ordinary shares, preference shares, warrants, debt securities and units for aggregate gross proceeds not to exceed $75,000,000.

11M 27M
May 02, 2022

20-F filing | 11.0M shares outstanding

11M 27M
May 14, 2021

20-F filing | 10.9M shares outstanding

11M 27M
Jan 08, 2021

F-1 filing: This F-1 filing registers the resale of Class A Ordinary Shares and Warrants by selling securityholders and the issuance of Class A Ordinary Shares upon exercise of warrants.

9.5M 27M
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