Cadeler AS ADR 2026年年度报告和过渡报告

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report.The number of outstanding shares as of December31, 2025 was:Title of Class Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes☒No☐ If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. Yes☐No☒ Note– Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 from their obligations under those Sections. Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to Yes☒No☐ Large Accelerated Filer☒Accelerated Filer☐Non-accelerated Filer☐Emerging growth company☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accountingfirm that prepared or issued its audit report.☒ (APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS)Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.Yes☐No☐ INTRODUCTIONPART IItem 1. Identity of Directors, Senior Management and AdvisersItem 2. Offer Statistics and Expected TimetableItem 3. Key InformationItem 4. Information on the CompanyItem 4A. Unresolved Staff CommentsItem 5. Operating and Financial Review and ProspectsItem 6. Directors, Senior Management and EmployeesItem 7. Major Shareholders and Related Party TransactionsItem 8. Financial InformationItem 9. The Offer and ListingItem 10. Additional InformationItem 11. Qualitative and Quantitative Disclosures About Market RiskItem 12. Description of Securities Other than Equity SecuritiesPART IIItem 13. Defaults, Dividend Arrearages and DelinquenciesItem 14. Material Modifications to the Rights of Security Holders and Use of ProceedsItem 15. Controls and ProceduresItem 16A. Audit Committee Financial ExpertItem 16B. Code of EthicsItem 16C. Principal Accountant Fees and ServicesItem 16D. Exemptions from the Listing Standards for Audit CommitteesItem 16E. Purchases of Equity Securities by the Issuer and Affiliated PurchasersItem 16F. Change in Registrant’s Certifying AccountantItem 16G. Corporate GovernanceItem 16H. Mine Safety DisclosureItem 16I. Disclosures Regarding Foreign Jurisdictions that Prevent InspectionsItem 16J. Insider Trading PoliciesItem 16K. CybersecurityPART IIIItem 17. Financial StatementsItem 18. Financial StatementsItem 19. Exhibits INTRODUCTION In this annual report on Form 20-F (the “Annual Report on Form 20-F”) the terms “Company” and “Cadeler” refer to Cadeler A/S, a public limited liability company incorporated under the laws of Denmark, and the term “Cadeler Group” refers toCadeler together with its subsidiaries on a consolidated basis. The term “Cadeler Shares” refers to ordinary shares of Cadeler, each with a nominal value of DKK 1.00 per share, and the term “Cadeler ADSs” refers to Cadeler’s American DepositaryShares (“ADSs”), each of which represents four (4) Cadeler Shares. Pursuant to Rule 12b-23(a) of the Securities Exchange Act of 1934, as amended, certain information required to be included in this Annual Report on Form 20-F is being incorporated by reference from the Company’s statutory annual report for the yearended December31, 2025, including the consolidated financial statements of the Cadeler Group included therein (the “Annual Report 2025”), and the Company’s remuneration report for the year ended December31, 2025 (the “Remuneration Report2025”) as specified in this Annual Report on Form 20-F. Therefore, the information in this Annual Report on Form 20-F should be read in conjunction with the Annual Report 2025 and the Remuneration Report 2025, to the extent specified (see Exhibits15.1 and 15.2, respectively). With the exception of the items and pages so specified, the Annual Report 2025 and Remuneration Report 2025 are not being, and shall not be deemed to