Fusion Fuel Green (HTOO) director Crosby Pierce submits initial Form 3

Rhea-AI Filing Summary

Fusion Fuel Green PLC director Crosby Pierce has filed an initial insider ownership report on Form 3 for the company’s ordinary shares. The excerpt shows no reported transactions or derivative positions and provides no specific share holdings, indicating this is a routine compliance filing establishing insider status.

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^*

Crosby Pierce

(Last) (First) (Middle)

C/O FUSION FUEL GREEN PLC

9 PEMBROKE STREET UPPER

(Street)

DUBLIN D02 KR83

(City) (State) (Zip)

UNITED STATES

(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
	Officer (give title below)		Other (specify below)

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)

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

Explanation of Responses:

No securities are beneficially owned.

	/s/ Pierce Crosby	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 Crosby Pierce’s Form 3 filing mean for Fusion Fuel Green PLC (HTOO)?

The Form 3 filing shows Crosby Pierce is an insider director of Fusion Fuel Green PLC. It is an initial ownership report required by regulation and, in this excerpt, does not show any share transactions or derivative positions, making it a routine disclosure.

Are there any buy or sell transactions reported in Crosby Pierce’s Form 3 for HTOO?

No buy or sell transactions are reported in this Form 3 excerpt. The transactions list is empty and the transaction summary shows zero buy, sell, acquire, or dispose counts, indicating no trading activity is being disclosed in this filing segment.

Does the Form 3 for HTOO show any derivative securities held by Crosby Pierce?

The provided Form 3 data does not show any derivative securities. The derivativeSummary is empty and derivativeTransactionCount is zero, indicating no options, warrants, or other derivatives are listed for Crosby Pierce in this excerpt.

What role does Crosby Pierce hold at Fusion Fuel Green PLC (HTOO) in this filing?

Crosby Pierce is identified as a director of Fusion Fuel Green PLC. The filing flags him as a director, with no officer role or ten percent ownership indicated, which defines his insider status for ongoing SEC reporting obligations.

Does this HTOO Form 3 filing show any gifts, tax withholdings, or restructurings?

No, the summary fields for gifts, tax withholdings, and restructuring transactions are all zero. This indicates the filing segment contains no reported gifts, tax-related share withholdings, or entity restructuring transactions associated with Crosby Pierce.