HTOO board boosts 2021 equity plan capacity to 2,000,000 shares

Rhea-AI Filing Summary

Fusion Fuel Green PLC (HTOO) reported that its board approved Amendment No. 1 to the 2021 Equity Incentive Plan on October 9, 2025. The amendment increases the maximum number of Class A ordinary shares available for grants by 1,971,428, bringing the plan’s total limit to 2,000,000 shares. The amendment was furnished as Exhibit 10.1. This report is incorporated by reference into the company’s existing Form F‑3 and Form S‑8 registration statements.

Insights

Equity Compensation Analyst

Routine increase in equity plan capacity; potential dilution depends on future grants.

The board approved expanding the 2021 equity plan by 1,971,428 shares, setting a new cap of 2,000,000 Class A ordinary shares available for awards. Equity plans are commonly adjusted to maintain capacity for employee and executive incentives.

This action does not itself issue shares; any dilution would occur as awards are granted and settle. The filing also notes incorporation by reference into existing Form F‑3 and Form S‑8, a standard procedural step.

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FAQ

What change did Fusion Fuel Green PLC (HTOO) announce?

The board approved Amendment No. 1 to the 2021 Equity Incentive Plan, increasing share capacity for grants.

How many additional shares were added to HTOO’s equity plan?

The plan’s capacity increased by 1,971,428 Class A ordinary shares.

What is the new total share limit under HTOO’s 2021 Equity Incentive Plan?

The amended plan now allows up to 2,000,000 Class A ordinary shares to be granted.

When did HTOO’s board approve the amendment?

The board approved the amendment on October 9, 2025.

Was the amendment filed as an exhibit?

Yes. Amendment No. 1 was furnished as Exhibit 10.1.

Is this 6-K incorporated into existing registration statements?

Yes. It is incorporated by reference into HTOO’s Form F‑3 and Form S‑8 registration statements listed in the filing.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of: October, 2025.

Commission File Number: 001-39789

Fusion Fuel Green PLC
(Translation of registrant’s name into English)

9 Pembroke Street Upper

Dublin D02 KR83

Ireland
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F ☒ Form 40-F ☐

On October 9, 2025, the board of directors of Fusion Fuel Green PLC, an Irish public limited company (the “Company”), approved Amendment No. 1 to the Fusion Fuel Green PLC 2021 Equity Incentive Plan (“Amendment No. 1”), to increase the maximum number of class A ordinary shares with a nominal value of $0.0035 each (“Class A Ordinary Shares”) available to be granted under the Fusion Fuel Green PLC 2021 Equity Incentive Plan by 1,971,428, to a total of 2,000,000 Class A Ordinary Shares. A copy of the Amendment No. 1 is furnished as Exhibit 10.1 to this report.

This Report on Form 6-K is incorporated by reference into the Company’s registration statements on Form F-3 (File Nos. 333-289429, 333-286198, 333-286202, 333-251990, 333-264714, and 333-276880) and Form S-8 (File No. 333-258543) and the prospectuses thereof and any prospectus supplements or amendments thereto.

Exhibit No.		Description
10.1		Amendment No. 1 to Fusion Fuel Green PLC 2021 Equity Incentive Plan

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Fusion Fuel Green PLC
	(Registrant)
Date: October 14, 2025	/s/ John-Paul Backwell
	John-Paul Backwell
	Chief Executive Officer