Fusion Fuel Green (NASDAQ: HTOO) interim CFO discloses equity awards

Rhea-AI Filing Summary

Fusion Fuel Green PLC interim CFO Frederico Figueira de Chaves has filed an initial Form 3 reporting his existing equity interests in the company. His direct derivative holdings include options over 5,715 Class A Ordinary Shares at an exercise price of $367.50 expiring on January 1, 2029 and options over 400,000 shares at $4.53 expiring on October 9, 2032. He also reports 143 and 286 Restricted Share Units, which the footnotes state either vested over three years or vest in three equal installments through December 31, 2027. In addition, 6,352 Class A Ordinary Shares are held indirectly through Key Family Holding Investimentos e Consultoria de Gestao, Ltd.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Figueira de Chaves Frederico

(Last) (First) (Middle)

C/O FUSION FUEL GREEN PLC

9 PEMBROKE STREET UPPER

(Street)

DUBLIN D02 KR83

(City) (State) (Zip)

IRELAND

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Fusion Fuel Green PLC [ HTOO ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Interim CFO

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Ordinary Shares	6,352	I	Held by Key Family Holding Investimentos e Consultoria de Gestao, Ltd

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Share Option (Right to Buy)	(1)	01/01/2029	Class A Ordinary Shares	5,715	$367.5	D
Share Option (Right to Buy)	(2)	10/09/2032	Class A Ordinary Shares	400,000	$4.53	D
Restricted Share Units	08/18/2021	(3)	Class A Ordinary Shares	143	$0	D
Restricted Share Units	05/10/2024	(3)	Class A Ordinary Shares	286	$0	D

Explanation of Responses:

1. Vested equally over three years.

2. Vests in three equal installments on December 31, 2025, December 31, 2026, and December 31, 2027.

3. Does not expire.

	/s/ Frederico Figueira de Chaves	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Fusion Fuel Green (HTOO) Form 3 filing by the interim CFO report?

The Form 3 reports interim CFO Frederico Figueira de Chaves’s existing equity interests, including options, restricted share units, and indirect share holdings. It is an initial ownership statement, not a record of new share purchases or sales.

How many Fusion Fuel Green (HTOO) options does the interim CFO report on Form 3?

He reports options over 5,715 Class A Ordinary Shares at an exercise price of $367.50 and options over 400,000 Class A Ordinary Shares at $4.53, both listed as direct derivative holdings in the filing.

What restricted share units does the Fusion Fuel Green (HTOO) interim CFO hold?

He reports 143 Restricted Share Units that vested equally over three years and 286 Restricted Share Units that vest in three equal installments on December 31, 2025, 2026, and 2027, all tied to Class A Ordinary Shares.

Are any Fusion Fuel Green (HTOO) shares held indirectly for the interim CFO?

Yes. The filing shows 6,352 Class A Ordinary Shares held indirectly through Key Family Holding Investimentos e Consultoria de Gestao, Ltd, reflecting an indirect beneficial interest associated with the reporting person.

Does the Fusion Fuel Green (HTOO) Form 3 show any insider buying or selling activity?

No. The entry is categorized as holdings with unknown transaction codes and zero buy or sell counts in the transaction summary, indicating it records existing positions rather than new market transactions.