Costamare (CMRE) files Form 6-K with H1 2025 interim financials

Rhea-AI Filing Summary

Costamare Inc. submitted a Form 6-K as a foreign private issuer for August 2025. The filing mainly makes its unaudited interim condensed consolidated financial statements for the six-month period ended June 30, 2025 available as Exhibit 99.1.

The company states that this exhibit is incorporated by reference into its existing shelf registration statements on Form F-3 filed in July 2016 and March 2024. The report is signed on behalf of Costamare Inc. by its Chief Financial Officer, Gregory G. Zikos.

Form 6-K: How Foreign Companies Report to the SEC →

0001503584 false June 30, 2025 --12-31 Q2 2025

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

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR
15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of August 2025

Commission File Number: 001-34934

COSTAMARE INC.
(Translation of registrant’s name into English)

7 rue du Gabian, MC 98000 Monaco
(Address of principal executive office)

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     ☒          Form 40-F     ☐

INCORPORATION BY REFERENCE

Exhibit 99.1 to this Report on Form 6-K shall be incorporated by reference into our registration statements on Form F-3, as filed with the U.S. Securities and Exchange Commission  on July 6, 2016 (File No. 333-212415) and March 29, 2024 (File No. 333-278366) to the extent not superseded by information subsequently filed or furnished (to the extent we expressly state that we incorporate such furnished information by reference) by us under the Securities Act of 1933 or the Securities Exchange Act of 1934, in each case as amended.

EXHIBIT INDEX

99.1	Unaudited interim condensed consolidated financial statements of Costamare Inc. for the six-month period ended June 30, 2025, and the accompanying notes.
101.INS	Inline XBRL Instance Document
101.SCH	Inline XBRL Taxonomy Extension Schema
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

SIGNATURES

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: August 21, 2025

	COSTAMARE INC.
	By:	/s/ Gregory G. Zikos
	Name:	Gregory G. Zikos
	Title:	Chief Financial Officer

FAQ

What does Costamare Inc. (CMRE) report in this August 2025 Form 6-K?

Costamare Inc. files a Form 6-K providing unaudited interim condensed consolidated financial statements for the six-month period ended June 30, 2025. These statements appear as Exhibit 99.1, accompanied by related notes and supporting Inline XBRL data files.

How is the Costamare Inc. (CMRE) Form 6-K incorporated by reference?

Exhibit 99.1 in the Form 6-K is incorporated by reference into Costamare’s existing Form F-3 registration statements filed July 6, 2016 and March 29, 2024. This means those shelf registration statements now formally include this interim financial information.

Which financial period do Costamare Inc. (CMRE) interim statements cover?

The interim financial statements cover the six-month period ended June 30, 2025. They are unaudited, condensed, and consolidated, offering a mid-year snapshot of Costamare Inc.’s financial position and results, as referenced in Exhibit 99.1 of the Form 6-K.

What exhibits accompany Costamare Inc. (CMRE) August 2025 Form 6-K?

The filing includes Exhibit 99.1 with unaudited interim condensed consolidated financial statements and several Inline XBRL exhibits (101 series and 104). These XBRL files provide structured data formats for the same financial information for regulatory and analytical use.

Who signed the August 2025 Form 6-K for Costamare Inc. (CMRE)?

The Form 6-K was signed on behalf of Costamare Inc. by Chief Financial Officer Gregory G. Zikos. His signature indicates he is the duly authorized officer executing the submission under the Securities Exchange Act of 1934 requirements.

Does Costamare Inc. (CMRE) report under Form 20-F or 40-F in this filing?

The Form 6-K indicates that Costamare Inc. files annual reports under Form 20-F, not Form 40-F. This classification confirms its status as a foreign private issuer following the Form 20-F reporting framework for its annual disclosures.