[6-K] Cadeler A/S Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Cadeler A/S filed a Form 6-K to inform investors that it has published its Third Quarter 2025 Earnings Release for the period from 1 January to 30 September 2025. The filing mainly serves as a cover, attaching the full earnings announcement as Exhibit 99.1, which contains the detailed financial and operational results.

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 OF THE

SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-41889

CADELER A/S

(Translation of registrant's name into English)

Kalvebod Brygge 43

DK-1560 Copenhagen V, Denmark

(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 x      Form 40-F ¨

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

On November 20, 2025, Cadeler A/S (the “Company”) issued an announcement regarding the publication of its Third Quarter 2025 Earnings Release included therein. A copy of the announcement is attached hereto as Exhibit 99.1

Exhibit List

Exhibit No.		Description
99.1		Third Quarter 2025 Earnings Release For the period 1 January to 30 September 2025

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.

	CADELER A/S
	(Registrant)
Date: November 20, 2025	By:	/s/ Mikkel Gleerup
		Name: Mikkel Gleerup
		Title: Chief Executive Officer

FAQ

What did Cadeler A/S (CDLR) announce in this Form 6-K?

Cadeler A/S filed a Form 6-K to announce the publication of its Third Quarter 2025 Earnings Release and attached the full release as Exhibit 99.1.

Which period does Cadeler A/S's Q3 2025 earnings release cover?

The Q3 2025 earnings release for Cadeler A/S covers the period from 1 January to 30 September 2025.

Where can investors find Cadeler A/S's detailed Q3 2025 results?

The detailed Q3 2025 results are included in the Third Quarter 2025 Earnings Release, attached to the Form 6-K as Exhibit 99.1.

What is the form type Cadeler A/S used for this Q3 2025 update?

Cadeler A/S used a Form 6-K, which is a report of a foreign private issuer used to provide interim updates such as earnings releases.

Who signed the Cadeler A/S Form 6-K for the Q3 2025 earnings release?

The Form 6-K was signed on behalf of Cadeler A/S by Mikkel Gleerup, the company's Chief Executive Officer.