Company: CMDB
Filing Date: 2025-05-07
Form Type: 6-K
Source: 0001171843-25-002855
Chunk: 0

Company: Costamare Bulkers Holdings Ltd
Filing Date: 2025-05-07
Form: 6-K
Chunk 0
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

<div align='center'>REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2025

Commission File Number: 001-42581

Costamare Bulkers Holdings Limited
(Translation of registrant's name into English)

7 rue du Gabian
MC 98000 Monaco
(Address of principal executive office)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ] Form 40-F [ ]

<div align='center'>EXHIBIT INDEX</div>

<div align='center'>SIGNATURES</div>

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: May 7, 2025 | Costamare Bulkers Holdings Limited 
 By:                                | /s/ Gregory G. Zikos    |
|:------------------|:-----------------------------------|:------------------------|
|                   | Name:                              | Gregory G. Zikos        |
|                   | Title:                             | Chief Executive Officer |