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 October 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 ¨

Stock Exchange
Announcement
CADELER
A/S: REPORTING ON TRANSACTIONS IN CADELER A/S SHARES BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED
WITH THEM
Copenhagen,
17 October 2025: Cadeler A/S (“Cadeler”) has received notification pursuant to article 19 of the Market Abuse Regulation
(EU) no. 596/2014 of the below transaction related to shares in Cadeler made by persons discharging managerial responsibilities in Cadeler
and/or persons closely associated with them.
Mikkel Gleerup,
Chief Executive Officer, has made the transaction described in the attached notification on the date set out therein.
Please see
the attached file for further details.
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 is
a global leader in offshore wind installation, operations, and maintenance services. Cadeler is a pure play company, operating solely
in the offshore wind industry with an uncompromising focus on safety and the environment. Cadeler owns and operates the industry’s
largest fleet of jack-up offshore wind installation vessels and has for more than 10 years been a key supplier in the development of
offshore wind energy to power millions of households. Cadeler’s fleet, expertise and capacity to handle the largest and most complex
next-generation offshore wind installation projects positions the company to deliver exceptional services to the industry. Cadeler is
committed to being at the forefront of sustainable wind farm installation and to enabling the global energy transition towards a future
built on renewable energy. 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
Reporting
of transactions made by persons discharging managerial responsibilities and persons closely associated with them in Cadeler A/S’
shares
| 1 |
Details
of the Reporting Person and their Closely Associated Persons |
| a) |
Name |
Mikkel
Gleerup |
| 2 |
Reason
for the notification |
| a) |
Position/status |
Chief Executive Officer |
| b) |
Initial
notification /Amendment |
Initial
notification |
| 3 |
Details
of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor |
| a) |
Name |
Cadeler
A/S |
| b) |
LEI |
9845008439EUED140282 |
| 4 |
Details
of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each
date; and (iv) each place where transactions have been conducted |
| a) |
Description
of the financial instrument, type of instrument and identification code |
American
Depositary Receipts (ADRs) each representing four (4) Cadeler shares
ISIN US12738K1097
Shares
ISIN
DK0061412772 |
| b) |
Nature
of the transaction |
Purchase of ADRs |
| |
|
|
|
|
|
| c) |
Price(s) and
volume(s) |
|
Price(s) |
Volume(s) |
|
| |
|
|
USD
19.345 |
1,000
ADRs (representing 4,000 shares) |
|
| |
|
|
|
|
|
| d) |
Aggregated
information
- Aggregated
volume
- Price |
Average
price per ADR: USD 19.345
Total
number of ADRs: 1,000 (representing 4,000 shares)
Total
price: USD 19,345 |
| e) |
Date
of the transaction |
16 October 2025 |
| f) |
Place
of the transaction |
New
York Stock Exchange, XNYS |
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: October 17, 2025 |
CADELER
A/S |
| |
(Registrant) |
| |
|
| |
By:
|
/s/
Mikkel Gleerup |
| |
Name:
|
Mikkel
Gleerup |
| |
Title:
|
Chief
Executive Officer |