# EDGAR Filing Document

**Accession Number:** 0001995574
**File Stem:** 0001140361-25-025252
**Filing Date:** 2025-7
**Character Count:** 13424
**Document Hash:** b9fd773668cc15d9ed7b483a27fc8666
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-025252.hdr.sgml**: 20250708

**ACCESSION NUMBER**: 0001140361-25-025252

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250708

**DATE AS OF CHANGE**: 20250708

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Icon Energy Corp
- **CENTRAL INDEX KEY:** 0001995574
- **STANDARD INDUSTRIAL CLASSIFICATION:** DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** NY

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94743
- **FILM NUMBER:** 251111561

**BUSINESS ADDRESS:**
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** NEA KIFISSIA, ATHENS
- **STATE:** J3
- **ZIP:** 14564
- **BUSINESS PHONE:** 30 211 888 0200

**MAIL ADDRESS:**
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** NEA KIFISSIA, ATHENS
- **STATE:** J3
- **ZIP:** 14564
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Atlantis Holding Corp. /RMI/
- **CENTRAL INDEX KEY:** 0002044902

**ORGANIZATION NAME:**
- **EIN:** 000000000

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

**BUSINESS ADDRESS:**
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** 14564, NEA KIFISSIA, ATHENS
- **STATE:** J3
- **ZIP:** 14564
- **BUSINESS PHONE:** 30 211 88 81 300

**MAIL ADDRESS:**
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** 14564, NEA KIFISSIA, ATHENS
- **STATE:** J3
- **ZIP:** 14564

## Exhibit 99.1

------

<u>Exhibit 99.1</u>

<u>JOINT FILING AGREEMENT</u>

Each of the undersigned hereby consents and agrees to the joint filing of this Schedule 13D, including any amendment thereto, relating to the Common Shares, $0.001 par value per share, of Icon Energy Corp.

---

| | | |
|:---|:---|:---|
| Date: July 8, 2025 | | |
|  | **ATLANTIS HOLDING CORP.** | **ATLANTIS HOLDING CORP.** |
|  | By | /s/ Ismini Panagiotidi |
|  | Name: | Ismini Panagiotidi |
|  | Title: | President and Sole Director |
|  | **ISMINI PANAGIOTIDI** | **ISMINI PANAGIOTIDI** |
|  | By | /s/ Ismini Panagiotidi |
|  | Name: | Ismini Panagiotidi |

---

------

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Icon Energy Corp**

*(Name of Issuer)*

**Common Shares, $0.001 par value per share**

*(Title of Class of Securities)*

**Y4001C206**

*(CUSIP Number)*

**Atlantis Holding Corp.**<br>c/o Pavimar Shipping Co.<br>17th km National Road<br>Athens J3 14564<br>30 211 88 81 300

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/30/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **Y4001C206** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Atlantis Holding Corp. /RMI/** | Name of reporting person<br>**Atlantis Holding Corp. /RMI/** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**1T** | Citizenship or place of organization<br>**1T** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**7685546.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**7685546.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**7685546.00** | Aggregate amount beneficially owned by each reporting person<br>**7685546.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**77.9%** | Percent of class represented by amount in Row (11)<br>**77.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to Rows 8, 9, 10 and 11: 
This amount includes (i) 5,000 Common Shares, $0.001 par value per share ("Common Shares") of Icon Energy Corp. (the "Issuer") and (ii) 7,680,546 Common Shares that may be deemed to be beneficially owned by the Reporting Person as of the date hereof, issuable upon the hypothetical conversion of 17,249 Series A Cumulative Convertible Perpetual Preferred Shares ("Series A Preferred Shares") of the Issuer owned by the Reporting Person. All Series A Preferred Shares (but not a portion) are convertible to Common Shares commencing July 16, 2025 and until July 15, 2032.  See Item 3 for a description of the terms of the Series A Preferred Shares.

Note to Row 13: 
Calculated pursuant to Rule 13d-3(d)(1)(i) based on (i) the 2,185,230 Common Shares outstanding as of April 24, 2025, as reported in the Issuer's Annual Report on Form 20-F for the fiscal year ended December 31, 2024, and the 7,680,546 Common Shares issuable upon the hypothetical conversion of 17,249 Series A Preferred Shares owned by the Reporting Person as of the date hereof.

| **CUSIP No.** | **Y4001C206** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Ismini Panagiotidi** | Name of reporting person<br>**Ismini Panagiotidi** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**J3** | Citizenship or place of organization<br>**J3** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**7685546.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**7685546.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**7685546.00** | Aggregate amount beneficially owned by each reporting person<br>**7685546.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**77.9%** | Percent of class represented by amount in Row (11)<br>**77.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** Note to Rows 8, 9, 10 and 11: 
This amount includes (i) 5,000 Common Shares, $0.001 par value per share ("Common Shares") of Icon Energy Corp. (the "Issuer") and (ii) 7,680,546 Common Shares that may be deemed to be beneficially owned by the Reporting Person as of the date hereof, issuable upon the hypothetical conversion of 17,249 Series A Cumulative Convertible Perpetual Preferred Shares ("Series A Preferred Shares") of the Issuer owned by the Reporting Person. All Series A Preferred Shares (but not a portion) are convertible to Common Shares commencing July 16, 2025 and until July 15, 2032.  See Item 3 for a description of the terms of the Series A Preferred Shares.

Note to Row 13: 
Calculated pursuant to Rule 13d-3(d)(1)(i) based on (i) the 2,185,230 Common Shares outstanding as of April 24, 2025, as reported in the Issuer's Annual Report on Form 20-F for the fiscal year ended December 31, 2024, and the 7,680,546 Common Shares issuable upon the hypothetical conversion of 17,249 Series A Preferred Shares owned by the Reporting Person as of the date hereof.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Shares, $0.001 par value per share

**(b) Name of Issuer:**
Icon Energy Corp

**(c) Address of Issuer's Principal Executive Offices:**
c/o Pavimar Shipping Co. 17th km, National Road Athens-Lamia & Foinikos St, Athens, J3, 14564

This statement on Schedule 13D (this "Statement") relates to the Common Shares, par value $0.001 per share ("Common Shares") of Icon Energy Corp. (the "Issuer") beneficially owned by the Reporting Persons.

**Item 4. Purpose of Transaction**

The Reporting Persons hold and acquired the Common Shares described herein for investment purposes.

Other than as set forth in this Statement, the Reporting Persons do not have any present plans or proposals which relate to or would result in: (i) any acquisition by any person of additional securities of the Issuer, or any disposition of securities of the Issuer; (ii) any extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (iii) any sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (iv) any change in the board or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any vacancies on the board; (v) any material change in the present capitalization or dividend policy of the Issuer; (vi) any other material change in the Issuer's business or corporate structure; (vii) any change in the Issuer's charter or bylaws or other actions which may impede the acquisition of control of the Issuer by any person; (viii) any delisting from a national securities exchange or any loss of authorization for quotation in an inter-dealer quotation system of a registered national securities association of a class of securities of the Issuer; (ix) any termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934, as amended, of a class of equity securities of the Issuer; or (x) any action similar to any of those enumerated above.

Ms. Ismini Panagiotidi is the Chairwoman and Chief Executive Officer of the Issuer. As a result, Mr. Panagiotidi regularly has discussions with members of Issuer management, board members of the Issuer, and stockholders of the Issuer, which discussions from time to time relate to management, governance and board composition, the Issuer's operations and financial condition or strategic transactions.

Notwithstanding the foregoing, the Reporting Persons may determine to change their intentions with respect to the Issuer at any time in the future.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The Reporting Persons each beneficially own 7,685,546 Common Shares, representing 77.9% of the outstanding Common Shares.  This amount includes (i) 5,000 Common Shares and (ii) 7,680,546 Common Shares that may be deemed to be beneficially owned by the Reporting Persons as of the date hereof, issuable upon the hypothetical conversion of 17,249 Series A Preferred Shares. All Series A Preferred Shares (but not a portion) are convertible to Common Shares commencing July 16, 2025 and until July 15, 2032.  See Item 3 for a description of the terms of the Series A Preferred Shares.

**(b)**
The Reporting Persons share beneficial ownership over all of the Common Shares reported herein.

**(c)**
Other than as described in this Statement, the Reporting Persons did not effect any transactions in the Common Shares during the past sixty days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Not applicable

### 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.

**Reporting Person:** Atlantis Holding Corp. /RMI/

**Signature:** /s/ Ismini Panagiotidi

**Name/Title:** Ismini Panagiotidi / President and Sole Director

**Date:** 07/08/2025

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.

**Reporting Person:** Ismini Panagiotidi

**Signature:** /s/ Ismini Panagiotidi

**Name/Title:** Ismini Panagiotidi

**Date:** 07/08/2025