Cadeler (CDLR) files H1 2025 investor presentation with CEO sign-off

Rhea-AI Filing Summary

Cadeler A/S submitted a report to provide investors with access to its H1 2025 information. On August 26, 2025, the company’s executive management delivered an investor presentation in connection with financial results for the six months ended June 30, 2025, and attached that presentation as Exhibit 99.1. The filing itself mainly serves to officially share this investor presentation with the market.

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 August 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 August 26, 2025, members of the executive management of Cadeler A/S (the “Company”) delivered the investor presentation attached hereto as Exhibit 99.1 in connection with the release of the Company’s financial results as of and for the six months ended June 30, 2025.

Exhibit No.	Description
99.1	H1 2025 Investor Presentation dated August 26, 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.

Date: August 26, 2025	CADELER A/S
	(Registrant)
	By:	/s/ Mikkel Gleerup
	Name:	Mikkel Gleerup
	Title:	Chief Executive Officer

FAQ

What did Cadeler (CDLR) report in this 6-K filing?

Cadeler A/S reported that its executive management delivered an H1 2025 investor presentation on August 26, 2025, related to financial results for the six months ended June 30, 2025, and filed that presentation as Exhibit 99.1.

Does the Cadeler (CDLR) 6-K include detailed H1 2025 financial results?

The 6-K states that the investor presentation relates to financial results for the six months ended June 30, 2025, but the detailed figures are contained in the attached Exhibit 99.1, not in the body of this report.

What is Exhibit 99.1 in Cadeler’s August 2025 6-K?

Exhibit 99.1 is Cadeler A/S’s H1 2025 Investor Presentation dated August 26, 2025, delivered by executive management in connection with the company’s half-year financial results.

Who signed the Cadeler (CDLR) August 26, 2025 6-K?

The report was signed on behalf of Cadeler A/S by Mikkel Gleerup, the company’s Chief Executive Officer, dated August 26, 2025.

Why is Cadeler using a Form 6-K for its H1 2025 investor presentation?

Cadeler A/S uses Form 6-K as a foreign private issuer to furnish information, in this case to formally submit its H1 2025 investor presentation related to half-year financial results for public access.