Frederico Figueira de Chaves - 26 Nov 2025 SCHEDULE 13D Report for Fusion Fuel Green PLC Class A Ordinary Shares, nominal value $0.0035 per share (HTOO)

Filing Manager: Frederico Figueira de Chaves
Reporting Manager: Frederico Figueira de Chaves
Security: Fusion Fuel Green PLC Class A Ordinary Shares, nominal value $0.0035 per share
Symbol: HTOO
Shares outstanding: 2,432,477 shares
Disclosed Ownership: 418,386 shares
Ownership: 17%
Form type: SCHEDULE 13D
Filing time: 04 Dec 2025, 18:00:03 UTC
Date of event: 26 Nov 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Frederico Figueira de Chaves	17%	418,386	412,034	6,352	/s/ Frederico Figueira de Chaves	Frederico Figueira de Chaves	0002093053