# EDGAR Filing Document

**Accession Number:** 0002044902
**File Stem:** 0001140361-26-001708
**Filing Date:** 2026-1
**Character Count:** 11168
**Document Hash:** bd9310a06f7dc637046a42a75f91f4e1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-001708.hdr.sgml**: 20260120

**ACCESSION NUMBER**: 0001140361-26-001708

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260120

**DATE AS OF CHANGE**: 20260120

**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:** 1T

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94743
- **FILM NUMBER:** 26544241

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** NEA KIFISSIA, ATHENS
- **PROVINCE COUNTRY:** J3
- **ZIP:** 14564
- **BUSINESS PHONE:** 30 211 888 0200

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** NEA KIFISSIA, ATHENS
- **PROVINCE COUNTRY:** 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/A

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** 14564, NEA KIFISSIA, ATHENS
- **PROVINCE COUNTRY:** J3
- **ZIP:** 14564
- **BUSINESS PHONE:** 30 211 88 81 300

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 17TH KM NATIONAL ROAD
- **STREET 2:** ATHENS-LAMIA & FOINIKOS STR.
- **CITY:** 14564, NEA KIFISSIA, ATHENS
- **PROVINCE COUNTRY:** J3
- **ZIP:** 14564

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Icon Energy Corp**

*(Name of Issuer)*

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

*(Title of Class of Securities)*

**Y4001C305**

*(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)*

**12/31/2025**

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

| **CUSIP No.** | **Y4001C305** |

---

| | | | |
|:--|:--|:--|:--|
| 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>**8357548.00** |
| 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>**8357548.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**8357548.00** | Aggregate amount beneficially owned by each reporting person<br>**8357548.00** | |
| 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>**76.9%** | Percent of class represented by amount in Row (11)<br>**76.9%** | |
| 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, 10 and 11:
This amount includes (i) 1,000 Common Shares, $0.001 par value per share ("Common Shares") of Icon Energy Corp. (the "Issuer") and (ii) 8,356,548 Common Shares that may be deemed to be beneficially owned by the Reporting Person as of January 20, 2026, issuable upon the hypothetical conversion of 18,954 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 2,508,470 Common Shares issued and outstanding as of January 20, 2026, as provided by the Issuer to the Reporting Person, and (ii) and the 8,356,548 Common Shares issuable upon the hypothetical conversion of 18,954 Series A Preferred Shares owned by the Reporting Person as of January 20, 2026.

| **CUSIP No.** | **Y4001C305** |

---

| | | | |
|:--|:--|:--|:--|
| 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>**8357548.00** |
| 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>**8357548.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**8357548.00** | Aggregate amount beneficially owned by each reporting person<br>**8357548.00** | |
| 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>**76.9%** | Percent of class represented by amount in Row (11)<br>**76.9%** | |
| 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, 10 and 11:
This amount includes (i) 1,000 Common Shares, $0.001 par value per share ("Common Shares") of Icon Energy Corp. (the "Issuer") and (ii) 8,356,548 Common Shares that may be deemed to be beneficially owned by the Reporting Person as of January 20, 2026, issuable upon the hypothetical conversion of 18,954 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 2,508,470 Common Shares issued and outstanding as of January 20, 2026, as provided by the Issuer to the Reporting Person, and (ii) and the 8,356,548 Common Shares issuable upon the hypothetical conversion of 18,954 Series A Preferred Shares owned by the Reporting Person as of January 20, 2026.

**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 Amendment No. 1 to Schedule 13D (this "Amendment") amends and supplements the statement on Schedule 13D filed on July 8, 2025 (and as may be further amended and supplemented from time to time, the "Schedule 13D"), relating to the common shares, par value $0.001 per share ("Common Shares") of Icon Energy Corp. (the "Issuer") beneficially owned by each of the Reporting Persons.

Except as set forth below, all Items of the Schedule 13D remain unchanged. Capitalized terms used in this Amendment and not otherwise defined shall have the respective meanings assigned to such terms in the Schedule 13D.

The information set forth in response to each separate Item below shall be deemed to be a response to all Items where such information is relevant.

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

**(a)**
The responses to Rows (7) through (13) of the cover page of this Amendment and the accompanying notes to such Rows are incorporated herein by reference. Atlantis is controlled by Ismini Panagiotidi. Mrs. Panagiotidi may be considered to be a beneficial owner of the Common Shares held by Atlantis by virtue of her control of the equity and voting power of Atlantis.

**(b)**
The responses to Rows (7) through (13) of the cover page of this Amendment and the accompanying notes to such Rows are incorporated herein by reference. The Reporting Persons share beneficial ownership over all of the Common Shares reported in this Amendment.

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

### 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:** 01/20/2026

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:** 01/20/2026