# EDGAR Filing Document

**Accession Number:** 0001513017
**File Stem:** 0000950157-25-000743
**Filing Date:** 2025-8
**Character Count:** 19031
**Document Hash:** c072b60abc4c48b490bcf25bc1781851
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950157-25-000743.hdr.sgml**: 20250828

**ACCESSION NUMBER**: 0000950157-25-000743

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

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250828

**DATE AS OF CHANGE**: 20250828

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Costamare Bulkers Holdings Ltd
- **CENTRAL INDEX KEY:** 0002033535
- **STANDARD INDUSTRIAL CLASSIFICATION:** WATER TRANSPORTATION [4400]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** 1T
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94998
- **FILM NUMBER:** 251274138

**BUSINESS ADDRESS:**
- **STREET 1:** GILDO PASTOR
- **STREET 2:** 7 RUE DU GABIAN
- **CITY:** MONACO
- **STATE:** O9
- **ZIP:** MC 98000
- **BUSINESS PHONE:** 377 92 00 1745

**MAIL ADDRESS:**
- **STREET 1:** GILDO PASTOR
- **STREET 2:** 7 RUE DU GABIAN
- **CITY:** MONACO
- **STATE:** O9
- **ZIP:** MC 98000
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Konstantakopoulos Konstantinos
- **CENTRAL INDEX KEY:** 0001513017

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** C/O COSTAMARE SHIPPING COMPANY S.A.
- **STREET 2:** 60 ZEPHYROU STREET & SYNGROU AVENUE
- **CITY:** ATHENS
- **PROVINCE COUNTRY:** J3
- **ZIP:** 17564

## Ex-99

**Exhibit 99.1**<br>

**TRANSACTION INFORMATION**<br>

<u>Costamare Shipping Services Ltd.</u>

Costamare Shipping Services Ltd. received 37,236 shares of Common Stock on June 30, 2025 pursuant to a service agreement with the Issuer's vessel-owning subsidiaries in exchange for services provided to them.

<u>Longshaw Maritime Investments S.A.</u>

 

<br> During the period July 28, 2025 through August 27, 2025, Longshaw Maritime Investments S.A.acquired shares of Common Stock in the following transactions:

---

| | | | |
|:---|:---|:---|:---|
| **Trade Date** | **Amount of Shares** | **Price per Share** | **Where/How Effected** |
| 7/28/2025 | 6035 | 9.23 | Open Market |
| 7/29/2025 | 4541 | 9.11 | Open Market |
| 7/30/2025 | 5752 | 9.20 | Open Market |
| 7/31/2025 | 25267 | 8.95 | Open Market |
| 8/1/2025 | 10040 | 9.10 | Open Market |
| 8/4/2025 | 14368 | 9.80 | Open Market |
| 8/5/2025 | 11040 | 9.98 | Open Market |
| 8/6/2025 | 6459 | 9.81 | Open Market |
| 8/7/2025 | 9216 | 9.79 | Open Market |
| 8/8/2025 | 16545 | 9.63 | Open Market |
| 8/11/2025 | 10603 | 9.29 | Open Market |
| 8/12/2025 | 17105 | 9.54 | Open Market |
| 8/13/2025 | 11196 | 9.59 | Open Market |
| 8/14/2025 | 12290 | 9.14 | Open Market |
| 8/15/2025 | 8259 | 9.04 | Open Market |
| 8/18/2025 | 12843 | 9.26 | Open Market |
| 8/19/2025 | 6177 | 9.26 | Open Market |
| 8/20/2025 | 12195 | 9.21 | Open Market |
| 8/21/2025 | 5296 | 9.21 | Open Market |
| 8/22/2025 | 9900 | 9.58 | Open Market |
| 8/25/2025 | 16236 | 10.03 | Open Market |
| 8/26/2025 | 6875 | 10.15 | Open Market |
| 8/27/2025 | 13037 | 10.14 | Open Market |

---

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Costamare Bulkers Holdings Ltd**

*(Name of Issuer)*

**Common Stock, $0.0001 Par Value**

*(Title of Class of Securities)*

**Y2001C101**

*(CUSIP Number)*

**Konstantinos Konstantakopoulos**<br>c/o Costamare Shipping Company S.A.<br>60 Zephyrou Street and Syngrou Avenue<br>Athens J3 17564<br>30(210)9490050

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

**08/26/2025**

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

| **CUSIP No.** | **Y2001C101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Konstantakopoulos Konstantinos** | Name of reporting person<br>**Konstantakopoulos Konstantinos** | |
| 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>**SC** | Source of funds (See Instructions)<br>**SC** | |
| 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>**7203559.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**7203559.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**7203559.00** | Aggregate amount beneficially owned by each reporting person<br>**7203559.00** | |
| 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>**29.7%** | Percent of class represented by amount in Row (11)<br>**29.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** Note to 11: As of the date hereof, Konstantinos Konstantakopoulos owns 7,203,559 shares. This number also includes (1) 2,985,999 shares owned by Kent Maritime Investments S.A., 846 shares owned by Costamare Shipping Company S.A. and 712,413 shares owned by Longshaw Maritime Investments S.A. and (2) half of the shares (709,608 shares) owned by Costamare Shipping Services Ltd.

Note to 13: The percent ownership is calculated based upon an aggregate of 24,240,982 shares outstanding.

| **CUSIP No.** | **Y2001C101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Kent Maritime Investments S.A.** | Name of reporting person<br>**Kent Maritime Investments S.A.** | |
| 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>**2985999.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**2985999.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**2985999.00** | Aggregate amount beneficially owned by each reporting person<br>**2985999.00** | |
| 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>**12.3%** | Percent of class represented by amount in Row (11)<br>**12.3%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to 11: Kent Maritime Investments S.A. is controlled by Konstantinos Konstantakopoulos, resulting in his indirect ownership of all 2,985,999 shares of common stock of the Issuer.

Note to 13: The percent ownership is calculated based upon an aggregate of 24,240,982 shares outstanding.

| **CUSIP No.** | **Y2001C101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**COSTAMARE SHIPPING Co S.A.** | Name of reporting person<br>**COSTAMARE SHIPPING Co S.A.** | |
| 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>**R1** | Citizenship or place of organization<br>**R1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**846.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**846.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**846.00** | Aggregate amount beneficially owned by each reporting person<br>**846.00** | |
| 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>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to 11: Costamare Shipping Company S.A. is controlled by Konstantinos Konstantakopoulos, resulting in his indirect ownership of all 846 shares of common stock of the Issuer.

Note to 13: The percent ownership is calculated based upon an aggregate of 24,240,982 shares outstanding.

| **CUSIP No.** | **Y2001C101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Longshaw Maritime Investments S.A.** | Name of reporting person<br>**Longshaw Maritime Investments S.A.** | |
| 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>**712413.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**712413.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**712413.00** | Aggregate amount beneficially owned by each reporting person<br>**712413.00** | |
| 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>**2.9%** | Percent of class represented by amount in Row (11)<br>**2.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to 11: Longshaw Maritime Investments S.A. is controlled by Konstantinos Konstantakopoulos, resulting in his indirect ownership of all 712,413 shares of the common stock of the Issuer.

Note to 13: The percent ownership is calculated based upon an aggregate of 24,240,982 shares outstanding.

| **CUSIP No.** | **Y2001C101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Costamare Shipping Services Ltd.** | Name of reporting person<br>**Costamare Shipping Services Ltd.** | |
| 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>**SC** | Source of funds (See Instructions)<br>**SC** | |
| 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>**709608.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**709608.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**709608.00** | Aggregate amount beneficially owned by each reporting person<br>**709608.00** | |
| 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>**2.9%** | Percent of class represented by amount in Row (11)<br>**2.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Note to 11: Konstantinos Konstantakopoulos owns 50% of the outstanding equity of Costamare Shipping Services Ltd., resulting in his indirect ownership of half of the stock (709,608 shares) owned by Costamare Shipping Services Ltd.

Note to 13: The percent ownership is calculated based upon an aggregate of 24,240,982 shares outstanding.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.0001 Par Value

**(b) Name of Issuer:**
Costamare Bulkers Holdings Ltd

**(c) Address of Issuer's Principal Executive Offices:**
7 Rue du Gabian, Monaco, O9, 98000

This Amendment No. 1 (this "Amendment") amends and restates certain portions of the Schedule 13D filed by Konstantinos Konstantakopoulos, Kent Maritime Investments S.A., Costamare Shipping Company S.A., Longshaw Maritime Investments S.A. and Costamare Shipping Services Ltd. dated May 6, 2025 (the "Original 13D"), relating to shares of common stock, par value $0.0001 per share (the "Shares") of Costamare Bulkers Holdings Limited (the "Issuer"), whose principal business office is located at 7 Rue du Gabian, MC 98000 Monaco. 

Except as set forth below, all Items in the Original 13D remain unchanged. Capitalized terms used but not defined herein have the meanings ascribed to them in the Original 13D.

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

**(a)**
See Items 11 and 13 on the cover pages to this Schedule 13D/A for the aggregate number and percentage of the class of securities identified pursuant to Item 1 owned by each Reporting Person.

**(b)**
Number of Shares as to which each Reporting Person has:

i. Sole power to vote or to direct the vote: See item 7 on cover pages to this Schedule 13D/A.

ii. Shared power to vote or to direct the vote: See item 8 on cover pages to this Schedule 13D/A.

iii. Sole power to dispose or direct the disposition: See item 9 on cover pages to this Schedule 13D/A.

iv. Shared power to dispose or direct the disposition: See item 10 on cover pages to this Schedule 13D/A.

**(c)**
The information provided in Item 3 of the Original 13D is hereby incorporated by reference herein and supplemented for the past 60 days by the information set forth in Exhibit 99.1 to this Amendment, which is incorporated herein by reference.

### 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:** Konstantakopoulos Konstantinos

**Signature:** /s/ Konstantinos Konstantakopoulos

**Name/Title:** Konstantinos Konstantakopoulos

**Date:** 08/28/2025

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:** Kent Maritime Investments S.A.

**Signature:** /s/ Konstantinos Konstantakopoulos

**Name/Title:** Konstantinos Konstantakopoulos

**Date:** 08/28/2025

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:** COSTAMARE SHIPPING Co S.A.

**Signature:** /s/ Konstantinos Konstantakopoulos

**Name/Title:** Konstantinos Konstantakopoulos

**Date:** 08/28/2025

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:** Longshaw Maritime Investments S.A.

**Signature:** /s/ Konstantinos Konstantakopoulos

**Name/Title:** Konstantinos Konstantakopoulos

**Date:** 08/28/2025

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:** Costamare Shipping Services Ltd.

**Signature:** /s/ Athanasios Beis

**Name/Title:** Athanasios Beis

**Date:** 08/28/2025