# EDGAR Filing Document

**Accession Number:** 0001819794
**File Stem:** 0001493152-26-006803
**Filing Date:** 2026-2
**Character Count:** 14123
**Document Hash:** ac99c46a76ee3a5c9c6f5574570b7d62
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-26-006803.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0001493152-26-006803

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Fusion Fuel Green PLC
- **CENTRAL INDEX KEY:** 0001819794
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISC INDUSTRIAL & COMMERCIAL MACHINERY & EQUIPMENT [3590]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** L2
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91913
- **FILM NUMBER:** 26634720

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 10 EARLSFORT TERRACE
- **STREET 2:** DUBLIN 2
- **CITY:** DUBLIN
- **PROVINCE COUNTRY:** L2
- **BUSINESS PHONE:** 351 21 581 8802

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 10 EARLSFORT TERRACE
- **STREET 2:** DUBLIN 2
- **CITY:** DUBLIN
- **PROVINCE COUNTRY:** L2

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Fusion Fuel Green Ltd
- **DATE OF NAME CHANGE:** 20200731
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Lantern Management Fund LP
- **CENTRAL INDEX KEY:** 0002110306

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** C/O CO SERVICES CAYMAN LIMITED
- **STREET 2:** P.O. BOX 10008, WILLOW HOUSE CRICKET SQ.
- **CITY:** GRAND CAYMAN
- **PROVINCE COUNTRY:** E9
- **ZIP:** KY1-1001
- **BUSINESS PHONE:** 1 203 921 8234

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** C/O CO SERVICES CAYMAN LIMITED
- **STREET 2:** P.O. BOX 10008, WILLOW HOUSE CRICKET SQ.
- **CITY:** GRAND CAYMAN
- **PROVINCE COUNTRY:** E9
- **ZIP:** KY1-1001

## Exhibit 99.1

**Exhibit 99.1**

**JOINT FILING AGREEMENT**

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 13th day of February, 2026.

---

| | |
|:---|:---|
| **Lantern Management Fund LP** | **Lantern Management Fund LP** |
| By: | /s/ Michael John McCaffrey |
| Name: | Michael John McCaffrey |
| Title: | Manager of Lantern Management Fund GP, its general partner |
| **Lantern Management Fund GP** | **Lantern Management Fund GP** |
| By: | /s/ Michael John McCaffrey |
| Name: | Michael John McCaffrey |
| Title: | Manager |

---

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** Fusion Fuel Green PLC

**Title of Class of Securities:** Class A Ordinary Shares, $0.0035 nominal value per share

**CUSIP Number:** G3R25D209

**Date of Event Which Requires Filing of this Statement:** 01/04/2026

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

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Lantern Management Fund LP | Names of Reporting Persons<br>Lantern Management Fund LP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>E9 | Citizenship or Place of Organization<br>E9 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>1749184.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>1749184.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1749184.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1749184.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.99% | Percent of Class Represented by Amount in Row (9)<br>9.99% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>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%.

---

| 1. | Names of Reporting Persons<br>Lantern Management Fund GP | Names of Reporting Persons<br>Lantern Management Fund GP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>E9 | Citizenship or Place of Organization<br>E9 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>1749184.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>1749184.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1749184.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1749184.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.99% | Percent of Class Represented by Amount in Row (9)<br>9.99% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>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%.

---

**Item 1(a). Name of Issuer:**
Fusion Fuel Green PLC

**Item 1(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

**Item 2(b). Address of Principal Business Office:**
The principal address of the Reporting Persons is CO SERVICES CAYMAN LIMITED, Willow House, Cricket Square, Grand Cayman KY1-1001, Cayman Islands.

**Item 2(c). Citizenship:**
The Reporting Persons are organized under the laws of the Cayman Islands.

**Item 2(d). Title of Class of Securities:**
Class A Ordinary Shares, $0.0035 nominal value per share

**Item 2(e). CUSIP Number:**
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 Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

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. Certification:**

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**

**Date:** 02/13/2026

**By:** /s/ Michael John McCaffrey

**Name & Title:** Michael John McCaffrey, Manager of Lantern Management Fund GP, its general partner

**Lantern Management Fund GP**

**Date:** 02/13/2026

**By:** /s/ Michael John McCaffrey

**Name & Title:** Michael John McCaffrey, Manager