Cadeler investor Lexcor exposure falls below 5%

Cadeler A/S (CDLR) reports a change in a major shareholding.

Rhea-AI Filing Summary

Cadeler A/S (CDLR) reports a change in a major shareholding. On August 25, 2026, Lexcor Master Fund’s combined holding of Cadeler shares and related financial instruments fell below the 5% threshold of total share capital and voting rights. Lexcor Master Fund now holds Cadeler shares corresponding to 3.50% of the total share capital and voting rights, and additional financial instruments corresponding to 1.42%. In total, Lexcor Master Fund’s exposure represents 4.92% of Cadeler’s share capital and voting rights. Lexcor Master Fund is ultimately controlled by Marble Bar Asset Management LLP.

Key Figures

Shareholding percentage: 3.50% of total share capital and voting rights Financial instruments exposure: 1.42% of total share capital and voting rights Total exposure: 4.92% of total share capital and voting rights +1 more

4 metrics

Shareholding percentage 3.50% of total share capital and voting rights Cadeler shares directly held by Lexcor Master Fund after August 25, 2026

Financial instruments exposure 1.42% of total share capital and voting rights Other financial instruments in Cadeler held by Lexcor Master Fund

Total exposure 4.92% of total share capital and voting rights Combined Cadeler shares and financial instruments held by Lexcor Master Fund

Disclosure threshold 5% Major shareholder notification threshold under Danish rules crossed below on August 25, 2026

Key Terms

major shareholder notification, Danish Capital Markets Act, Danish Companies Act, financial instruments, +1 more

5 terms

major shareholder notification regulatory

"Cadeler A/S ... has received the following major shareholder notification"

Danish Capital Markets Act regulatory

"pursuant to Sections 38-40 of the Danish Capital Markets Act"

A national law that sets the rules for trading, reporting and oversight of securities and financial markets in Denmark; think of it as the official rulebook that governs how companies, investors and intermediaries must behave when raising capital or trading shares. It matters to investors because it mandates information disclosure, market transparency and conduct standards that reduce fraud, make prices more reliable and protect shareholder rights, helping investors judge risks and make informed decisions.

Danish Companies Act regulatory

"and Section 55 of the Danish Companies Act, respectively"

financial instruments financial

"direct and indirect holdings of shares and financial instruments in Cadeler"

Financial instruments are assets or contracts that hold monetary value and can be bought, sold, or traded. They serve as tools for investors to grow, protect, or transfer money, much like how a ticket or voucher can be used to access goods or services. These instruments help individuals and organizations manage financial goals and risks across different markets and economic conditions.

voting rights financial

"of the total share capital and voting rights in Cadeler"

Voting rights are the ability of shareholders to have a say in important company decisions, like choosing leaders or approving big changes. They matter because they give owners a voice in how the company is run, similar to how voters influence elections, ensuring the company acts in shareholders’ interests.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

Cadeler A/S announced that on August 25, 2026, Lexcor Master Fund’s total holding of shares and financial instruments in Cadeler fell below the 5% threshold of the company’s total share capital and voting rights, triggering a major shareholder notification under Danish law.

What percentage of Cadeler A/S (CDLR) shares does Lexcor Master Fund now hold?

Lexcor Master Fund now holds Cadeler A/S shares corresponding to 3.50% of the company’s total share capital and voting rights, in addition to separate holdings of financial instruments linked to Cadeler.

What is Lexcor Master Fund’s total exposure to Cadeler A/S (CDLR) including financial instruments?

Including both shares and other financial instruments, Lexcor Master Fund’s total exposure represents 4.92% of Cadeler A/S’s total share capital and voting rights, below the Danish statutory major-shareholder threshold of 5%.

How much of Cadeler A/S (CDLR) is held by Lexcor Master Fund through financial instruments?

Lexcor Master Fund holds other financial instruments in Cadeler A/S corresponding to 1.42% of the total share capital and voting rights, in addition to its direct shareholding of 3.50%.

Who ultimately controls Lexcor Master Fund, a major shareholder in Cadeler A/S (CDLR)?

Lexcor Master Fund is ultimately controlled by Marble Bar Asset Management LLP, as disclosed in the major shareholder notification regarding its holdings in Cadeler A/S.

Why did Cadeler A/S (CDLR) issue this major shareholder notification?

Cadeler A/S issued the notification because Lexcor Master Fund’s combined holding of shares and financial instruments in the company crossed below the 5% threshold, requiring disclosure under Sections 38-40 of the Danish Capital Markets Act and Section 55 of the Danish Companies Act.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/27/2026 - 04:50 PM EDT Accepted by SEC EDGAR 08/27/2026 - 04:50 PM EDT Learn about SEC filing dates

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 2026

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 o

Stock Exchange Announcement

CADELER A/S: Notification of major shareholding

Copenhagen, August 27, 2026: Cadeler A/S (“Cadeler”) hereby announces that it has received the following major shareholder notification pursuant to Sections 38-40 of the Danish Capital Markets Act and Section 55 of the Danish Companies Act, respectively, regarding direct and indirect holdings of shares and financial instruments in Cadeler.

On August 25, 2026, Lexcor Master Fund’s total holding of shares and other financial instruments in Cadeler has crossed below the threshold of 5%. Lexcor Master Fund now holds Cadeler shares corresponding to 3.50% of the total share capital and voting rights. In addition, Lexcor Master Fund holds other financial instruments in Cadeler corresponding to 1.42% of the total share capital and voting rights. As a consequence, Lexcor Master Fund in total holds shares and financial instruments that represent 4.92% of the total share capital and voting rights in Cadeler.

Lexcor Master Fund is organised under the laws of the Cayman Islands and has its registered address at South Church Street, PO Box 309, Ugland House, George Town, Cayman Islands. Lexcor Master Fund is ultimately controlled by Marble Bar Asset Management LLP.

For further information, please contact:

Mikkel Gleerup

CEO, Cadeler

+45 3246 3102

mikkel.gleerup@cadeler.com

Alexander Simmonds

EVP & CLO, Cadeler

+44 7376 174172

alexander.simmonds@cadeler.com

About Cadeler A/S:

Cadeler A/S (Cadeler) is a global leader in offshore wind turbine transport and installation. The company owns and operates the industry’s largest fleet of jack-up offshore wind installation vessels and is expanding its capabilities into full-scope foundation transport and installation, as well as operations & maintenance. With its modern fleet and depth of expertise across onshore and offshore operations, Cadeler supports the safe, efficient and reliable delivery of offshore wind projects worldwide. Cadeler is listed on the New York Stock Exchange (ticker: CDLR) and the Oslo Stock Exchange (ticker: CADLR).

For more information, please visit www.cadeler.com.

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 27, 2026            CADELER A/S

(Registrant)

By: /s/ Mikkel Gleerup        
Name:     Mikkel Gleerup
Title:    Chief Executive Officer