Form: SCHEDULE 13D

General Statement of Acquisition of Beneficial Ownership

November 12, 2026






If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D




Comment for Type of Reporting Person:
(1) The CUSIP number G17445100 applies to the Issuer's American Depositary Shares, each representing four ordinary shares of the Issuer. (2) Scorpio Services Holding Limited holds 7,971,033 ordinary shares. The ordinary shares were acquired by way of a registered exchange offer in connection with the redomiciliation of Cadeler A/S (the "Predecessor Issuer") from Denmark to the United Kingdom, pursuant to which each ordinary share of the Predecessor Issuer was exchanged for one (1) ordinary share of the Issuer. (3) The percentage reported above is based on 355,404,838 ordinary shares of the Issuer outstanding, according to information provided by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) The CUSIP number G17445100 applies to the Issuer's American Depositary Shares, each representing four ordinary shares of the Issuer. (2) Consists of 41,385,792 ordinary shares held directly by Scorpio Holdings Limited and 7,971,033 ordinary shares held by its wholly-owned subsidiary, Scorpio Services Holding Limited. The ordinary shares were acquired by way of a registered exchange offer in connection with the redomiciliation of Cadeler A/S (the "Predecessor Issuer") from Denmark to the United Kingdom, pursuant to which each ordinary share of the Predecessor Issuer was exchanged for one (1) ordinary share of the Issuer. (3) The percentage reported above is based on 355,404,838 ordinary shares of the Issuer outstanding, according to information provided by the Issuer.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) The CUSIP number G17445100 applies to the Issuer's American Depositary Shares, each representing four ordinary shares of the Issuer. (2) Consists of 41,385,792 ordinary shares held directly by Scorpio Holdings Limited and 7,971,033 ordinary shares held by its wholly-owned subsidiary, Scorpio Services Holding Limited. Ms. Lolli-Ghetti is the majority shareholder of Scorpio Holdings Limited. The ordinary shares were acquired by way of a registered exchange offer in connection with the redomiciliation of Cadeler A/S (the "Predecessor Issuer") from Denmark to the United Kingdom, pursuant to which each ordinary share of the Predecessor Issuer was exchanged for one (1) ordinary share of the Issuer. (3) The percentage reported above is based on 355,404,838 ordinary shares of the Issuer outstanding, according to information provided by the Issuer.


SCHEDULE 13D


 
Scorpio Services Holding Limited
 
Signature:/s/ Filippo Lauro
Name/Title:Filippo Lauro, Director and Vice President
Date:11/12/2026
 
Scorpio Holdings Limited
 
Signature:/s/ Filippo Lauro
Name/Title:Filippo Lauro, Director and Vice President
Date:11/12/2026
 
Annalisa Lolli-Ghetti
 
Signature:/s/ Annalisa Lolli-Ghetti
Name/Title:Annalisa Lolli-Ghetti
Date:11/12/2026