# EDGAR Filing Document

**Accession Number:** 0002015955
**File Stem:** 0001213900-26-073773
**Filing Date:** 2026-6
**Character Count:** 8291
**Document Hash:** fdbce5d17003095633088fbdc69faca9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-073773.hdr.sgml**: 20260630

**ACCESSION NUMBER**: 0001213900-26-073773

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260618

**FILED AS OF DATE**: 20260630

**DATE AS OF CHANGE**: 20260630

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Sternberg Ophir
- **CENTRAL INDEX KEY:** 0001793414

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42135
- **FILM NUMBER:** 261141362

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** C/O OPES ACQUISITION CORP.
- **STREET 2:** JAVIER BARROS SIERRA 540, OF. 103
- **CITY:** MEXICO CITY
- **PROVINCE COUNTRY:** O5
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lionheart Sponsor, LLC
- **CENTRAL INDEX KEY:** 0002026363

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42135
- **FILM NUMBER:** 261141361

**BUSINESS ADDRESS:**
- **STREET 1:** 4218 NE 2ND AVENUE
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33137
- **BUSINESS PHONE:** 3055733900

**MAIL ADDRESS:**
- **STREET 1:** 4218 NE 2ND AVENUE
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33137
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Lionheart Holdings
- **CENTRAL INDEX KEY:** 0002015955
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 981778167
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 200 W. CYPRESS CREEK ROAD
- **STREET 2:** SUITE 500
- **CITY:** FORT LAUDERDATE
- **STATE:** FL
- **ZIP:** 33309
- **BUSINESS PHONE:** 3055733900

**MAIL ADDRESS:**
- **STREET 1:** 200 W. CYPRESS CREEK ROAD
- **STREET 2:** SUITE 500
- **CITY:** FORT LAUDERDATE
- **STATE:** FL
- **ZIP:** 33309

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Sternberg Ophir<br><sub>(Last) (First) (Middle)</sub><br>200 W CYPRESS CREEK ROAD, SUITE 500<br><sub>(Street)</sub><br>FORT LAUDERDALE, FL 33309<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-18 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chairman, President & CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Lionheart Holdings [ CUB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lionheart Sponsor, LLC<br><sub>(Last) (First) (Middle)</sub><br>200 W CYPRESS CREEK ROAD, SUITE 500<br><sub>(Street)</sub><br>FORT LAUDERDALE, FL 33309<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-18 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Lionheart Holdings [ CUB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Ordinary Shares, par value $0.0001 per share | 2026-06-18 |  | C<sup>(1)</sup> |  | 3000000 | A | <sup>(1)</sup> | 3000000 | I | See footnote<sup>(1)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Class A Ordinary Shares, par value $0.0001 per share | <sup>(1)</sup> | 2026-06-18 |  | C<sup>(1)</sup> |  |  | 3000000 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Ordinary Shares | 3000000 | $0 | 4666667 | I | See footnote<sup>(1)</sup> |

---

### Footnotes:

(1) The reported shares of Lionheart Holdings (the "Issuer") are directly held by Lionheart Sponsor LLC (the "Sponsor"). Pursuant to the Issuer's Amended and Restated Memorandum and Articles of Association, as amended, the Class B Ordinary Shares will automatically convert into the Class A ordinary shares of the Issuer at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination at the option of the holders thereof at any time and from time to time, in each case on a one-for-one basis, subject to adjustment as set forth therein, for no additional consideration. The Class B ordinary shares have no expiration date. On June 18, 2026, the Sponsor elected to convert 3,000,000 Class B Ordinary Shares into 3,000,000 Class A Ordinary Shares.

**Signature:** /s/ Ophir Sternberg  
**Date:** 2026-06-30

**Signature:** Lionheart Sponsor, LLC By: Ophir Sternberg, its managing member By: /s/ Ophir Sternberg  
**Date:** 2026-06-30

### Remarks:

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 4 (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.**