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

Rhea-AI Filing Summary

Cadeler A/S filed a Form 6-K to notify investors that its executive management has delivered an investor presentation in connection with the company’s financial results for the nine months ended September 30, 2025. The presentation, titled "Investor Presentation Q3 2025" and dated November 20, 2025, is attached as Exhibit 99.1 to the report.

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, 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 nine months ended September 30, 2025.

Exhibit No.	Description
99.1	Investor Presentation Q3 2025 dated November 20, 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: November 20, 2025	CADELER A/S
	(Registrant)
	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 reported that its executive management delivered an investor presentation related to the company’s financial results for the nine months ended September 30, 2025.

What document is attached to Cadeler A/S (CDLR) Form 6-K?

The Form 6-K includes Exhibit 99.1, an "Investor Presentation Q3 2025" dated November 20, 2025.

Which period do the Cadeler A/S (CDLR) results discussed in the presentation cover?

The investor presentation relates to Cadeler A/S financial results for the nine months ended September 30, 2025.

Who signed the Cadeler A/S (CDLR) Form 6-K?

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

Is Cadeler A/S (CDLR) a Form 20-F or Form 40-F filer?

Cadeler A/S indicates that it files annual reports under cover of Form 20-F.

When was the Cadeler A/S (CDLR) investor presentation dated?

The investor presentation attached as Exhibit 99.1 is dated November 20, 2025.