Lantern Fund discloses 9.99% Fusion Fuel Green PLC (HTOO) stake

Rhea-AI Filing Summary

Fusion Fuel Green PLC received a Schedule 13G from investment fund Lantern Management Fund LP, disclosing beneficial ownership of 1,749,184 Class A Ordinary Shares, or 9.99% of the class. This stake includes 1,519,559 warrants that are immediately exercisable but subject to a 9.99% ownership cap.

Lantern holds 229,625 shares plus pre-funded warrants for 281,815 shares at an exercise price of $0.0035, warrants for 786,886 shares at $3.50, and warrants for 450,858 shares at $5.00. The percentage is based on 2,345,718 shares outstanding as of January 26, 2026.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Fusion Fuel Green PLC

(Name of Issuer)

Class A Ordinary Shares, $0.0035 nominal value per share

(Title of Class of Securities)

G3R25D209

(CUSIP Number)

01/04/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. G3R25D209

1

Names of Reporting Persons

Lantern Management Fund LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,749,184.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,749,184.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,749,184.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Includes 1,519,559 Warrants (as defined below) to purchase Class A Ordinary Shares. The Warrants contain provisions preventing exercise if such exercise would result in the Reporting Persons beneficially owning greater than 9.99% of the outstanding Class A Ordinary Shares when aggregated with all other Class A Ordinary Shares beneficially owned. As a result, at any given time, the Reporting Persons may be deemed to beneficially own Class A Ordinary Shares underlying the Warrants only to the extent their total beneficial ownership does not exceed 9.99%.

SCHEDULE 13G

CUSIP No. G3R25D209

1

Names of Reporting Persons

Lantern Management Fund GP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,749,184.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,749,184.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,749,184.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Includes 1,519,559 Warrants (as defined below) to purchase Class A Ordinary Shares. The Warrants contain provisions preventing exercise if such exercise would result in the Reporting Persons beneficially owning greater than 9.99% of the outstanding Class A Ordinary Shares when aggregated with all other Class A Ordinary Shares beneficially owned. As a result, at any given time, the Reporting Persons may be deemed to beneficially own Class A Ordinary Shares underlying the Warrants only to the extent their total beneficial ownership does not exceed 9.99%.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Fusion Fuel Green PLC
(b)	Address of issuer's principal executive offices: 9 Pembroke Street Upper, Dublin, Ireland D02 KR83
Item 2.
(a)	Name of person filing: Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: Lantern Management Fund LP Lantern Management Fund GP
(b)	Address or principal business office or, if none, residence: The principal address of the Reporting Persons is CO SERVICES CAYMAN LIMITED, Willow House, Cricket Square, Grand Cayman KY1-1001, Cayman Islands.
(c)	Citizenship: The Reporting Persons are organized under the laws of the Cayman Islands.
(d)	Title of class of securities: Class A Ordinary Shares, $0.0035 nominal value per share
(e)	CUSIP No.: G3R25D209
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The ownership information presented below represents beneficial ownership of the Class A Ordinary Shares as of the date hereof, based upon 2,345,718 Class A Ordinary Shares outstanding as of January 26, 2026, as provided by the Issuer. Lantern Management Fund LP is the record holder of (i) 229,625 Class A Ordinary Shares, (ii) prefunded warrants to purchase an aggregate of 281,815 Class A Ordinary Shares at an exercise price of $0.0035 per share (the "Pre-Funded Warrants"), (iii) warrants to purchase an aggregate of 786,886 Class A Ordinary Shares at an exercise price of $3.50 per share (the "$3.50 Warrants"), and (iv) warrants to purchase an aggregate of 450,858 Class A Ordinary Shares at an exercise price of $5.00 per share (the "$5.00 Warrants," and together with the Pre-Funded Warrants and $3.50 Warrants, the "Warrants"). The Warrants are immediately exercisable. The Pre-Funded Warrants do not expire, and the $3.50 Warrants and $5.00 Warrants expire on July 25, 2028. The Warrants contain provisions preventing exercise if such exercise would result in the Reporting Persons beneficially owning greater than 9.99% of the outstanding Class A Ordinary Shares when aggregated with all other Class A Ordinary Shares beneficially owned. As a result, at any given time, the Reporting Persons may be deemed to beneficially own Class A Ordinary Shares underlying the Warrants only to the extent their total beneficial ownership does not exceed 9.99%. Lantern Management Fund GP is the general partner of Lantern Management Fund LP. Voting and investment decisions with respect to the securities held by Lantern Management Fund LP are made by the investment committee of Lantern Management Fund GP, which is comprised of three members and acts by majority vote.
(b)	Percent of class: 9.99%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 1,749,184
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,749,184
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Lantern Management Fund LP

Signature:	/s/ Michael John McCaffrey
Name/Title:	Michael John McCaffrey, Manager of Lantern Management Fund GP, its general partner
Date:	02/13/2026

Lantern Management Fund GP

Signature:	/s/ Michael John McCaffrey
Name/Title:	Michael John McCaffrey, Manager
Date:	02/13/2026

Exhibit Information

99.1: Joint Filing Agreement

FAQ

What ownership stake in HTOO does Lantern Management Fund report?

Lantern Management Fund LP reports beneficial ownership of 1,749,184 Fusion Fuel Green PLC Class A Ordinary Shares, equal to 9.99% of the class. This percentage is calculated using 2,345,718 shares outstanding as of January 26, 2026, as provided by the company.

How is Lantern Management Fund’s 9.99% position in HTOO structured?

Lantern’s 9.99% beneficial ownership combines 229,625 Class A shares with 1,519,559 warrants. These include pre-funded warrants and standard warrants at different exercise prices, all counted only to the extent total ownership does not exceed the 9.99% cap.

What types of warrants on HTOO shares does Lantern hold?

Lantern holds pre-funded warrants for 281,815 shares at an exercise price of $0.0035, warrants for 786,886 shares at $3.50, and warrants for 450,858 shares at $5.00. All warrants are immediately exercisable, subject to the 9.99% ownership limitation.

What is the 9.99% beneficial ownership limitation in Lantern’s HTOO warrants?

The warrants prevent exercise if Lantern’s beneficial ownership would exceed 9.99% of outstanding Class A shares. As a result, Lantern is deemed to beneficially own warrant shares only up to the level where its total ownership remains at or below that threshold.

On what share count is Lantern’s 9.99% HTOO ownership based?

Lantern’s reported 9.99% beneficial ownership is calculated using 2,345,718 Class A Ordinary Shares outstanding as of January 26, 2026. This outstanding share figure was provided by Fusion Fuel Green PLC and underpins all percentage ownership calculations in the filing.

Who controls voting and investment decisions for Lantern’s HTOO holdings?

Lantern Management Fund GP is the general partner of Lantern Management Fund LP. Voting and investment decisions for Fusion Fuel Green PLC securities are made by the GP’s investment committee, which has three members and acts by majority vote, according to the disclosure.