Company: CMDB
Filing Date: 2025-04-07
Form Type: 20FR12B/A
Source: 0001140361-25-012461
Chunk: 0

Company: Costamare Bulkers Holdings Ltd
Filing Date: 2025-04-07
Form: 20FR12B/A
Chunk 0
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TABLE OF CONTENTS

As filed with the Securities and Exchange Commission on April 7, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM 20-F (Mark One)

| ☒ | REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 |

| ☐ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

| ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

| ☐ | SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

Commission File Number: COSTAMARE BULKERS HOLDINGS LIMITED (Exact name of Registrant as specified in its charter) NOT APPLICABLE (Translation of Registrant’s name into English) Republic of the Marshall Islands (Jurisdiction of incorporation or organization) 7 rue du Gabian MC 98000 Monaco (Address of principal executive offices) Anastassios Gabrielides, General Counsel and Secretary 7 rue du Gabian MC 98000 Monaco Telephone: +377 92 00 1745 E-mail address: generalcounsel@costamarebulkers.com (Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person) Copies to: D. Scott Bennett Cravath, Swaine & Moore LLP 375 Ninth Avenue New York, NY 10001 Tel: + 1 (212) 474-1000 SECURITIES REGISTERED OR TO BE REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

| Title of Each Class                       |     | Trading Symbol(s) |     | Name of Each Exchange on Which Registered |
| Common Stock, $0.0001 par value per share |     | CMDB              |     | New York Stock Exchange                   |

SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT: None SECURITIES FOR WHICH THERE IS A REPORTING OBLIGATION PURSUANT TO SECTION 15(d) OF THE ACT: None Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual