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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 May 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

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Stock exchange announcement

CADELER A/S: COMPLETION OF SHARE BUY-BACK PROGRAMME AND DISCLOSURE OF REPURCHASE TRANSACTIONS MADE UNDER THE SHARE BUY-BACK PROGRAMME

Copenhagen, 28 May 2026: Cadeler A/S (OSE: CADLR, NYSE: CDLR) (“Cadeler”) today confirms that it has completed the share buy-back programme it announced on 27 May 2026 in advance of the programme’s anticipated termination date of 5 June 2026, as the maximum number of shares to be repurchased under the programme was reached earlier than that date. The share buy-back programme has therefore been terminated early.

On 27 May 2026, Cadeler repurchased 105,275 of its own shares at an average price per share of NOK 49.92, corresponding to an aggregate purchase price before commission of NOK 6,596,058, or approximately EUR 0.6 million.

On 27 May 2026, Cadeler initiated a share buy-back programme of up to NOK 7.6 million (approx. EUR 0.7 million) to enable Cadeler to meet its obligations to its employees arising from certain of Cadeler’s share-based incentive programmes (the “Programme”) in accordance with Article 5 of Regulation (EU) no. 596/2014 of the European Parliament and of the Council of 16 April 2014, as amended (the “Market Abuse Regulation”), and the Commissions Delegated Regulation (EU) 2016/1052 of 8 March 2016 (together with the Market Abuse Regulation, the “Safe Harbour Rules”). Further details on the terms of the Programme can be found in Cadeler’s stock exchange announcement dated 27 May 2026.

The following transactions were made under the Programme on 27 May 2026:

Date

Trading Venue

Number of shares

Weighted average purchase price, NOK

Transaction value, NOK (EUR)1

27 May 2026

XOSL

105,275

62.66

6,596,058 (EUR 610,916)

Accumulated under the Programme

105,275

62.66

6,596,058 (EUR 610,916)

1 EUR figures presented based on the prevailing NOK/EUR exchange rate on 27 May 2026.

Details of each transaction made under the Programme are attached as an appendix to this stock exchange announcement.

Following the conclusion of the Programme Cadeler holds a total of 169,267 shares in treasury, each with a nominal value of DKK 1.00 and corresponding in the aggregate to less than 0.1% of Cadeler’s total share capital and voting rights of Cadeler.

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For further information, please contact:

Mikkel Gleerup, CEO

+45 3246 3102

mikkel.gleerup@cadeler.com

Alexander Simmonds, EVP & CLO

+44 7376 174172

alexander.simmonds@cadeler.com

About Cadeler A/S:

Cadeler A/S (Cadeler) is a pure-play offshore wind installation partner and 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.

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Appendix: Disclosure of transaction data under the share repurchase programme for Cadeler A/S on 27 May 2026

This document discloses the transactions made under the share repurchase programme for Cadeler A/S on 27 May 2026 in a detailed and aggregated form in accordance with Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016 supplementing Regulation (EU) No. 596/2014 of the European Parliament and of the Council of 16 April 2014, as amended, with regards to regulatory technical standards for the conditions applicable to buy-back programmes and stabilisation measures.

Date

Trading Venue

Number of shares

Weighted average purchase price, NOK

Transaction value, NOK (EUR)1

27 May 2026

XOSL

105,275

62.66

6,596,058 (EUR 610,916)

Accumulated under the Programme

105,275

62.66

6,596,058 (EUR 610,916)

1 EUR figures presented based on the prevailing NOK/EUR exchange rate on 27 May 2026.

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Trade Date and Time			Exchange			Quantity			Price			Currency			Total Value (NOK)
5/27/2026 9:00			XOSL			1236			63.90			NOK			78,980
5/27/2026 9:03			XOSL			1203			63.95			NOK			76,932
5/27/2026 9:03			XOSL			596			63.95			NOK			38,114
5/27/2026 9:04			XOSL			256			63.55			NOK			16,269
5/27/2026 9:04			XOSL			325			63.55			NOK			20,654
5/27/2026 9:09			XOSL			1726			63.65			NOK			109,860
5/27/2026 9:09			XOSL			1780			63.60			NOK			113,208
5/27/2026 9:09			XOSL			882			63.55			NOK			56,051
5/27/2026 9:20			XOSL			672			63.75			NOK			42,840
5/27/2026 9:21			XOSL			1566			63.65			NOK			99,676
5/27/2026 9:21			XOSL			787			63.60			NOK			50,053
5/27/2026 9:28			XOSL			200			63.50			NOK			12,700
5/27/2026 9:28			XOSL			370			63.50			NOK			23,495
5/27/2026 9:29			XOSL			835			63.40			NOK			52,939
5/27/2026 9:29			XOSL			571			63.40			NOK			36,201
5/27/2026 9:29			XOSL			217			63.40			NOK			13,758
5/27/2026 9:34			XOSL			518			63.55			NOK			32,919
5/27/2026 9:34			XOSL			128			63.55			NOK			8,134
5/27/2026 9:35			XOSL			731			63.30			NOK			46,272
5/27/2026 9:35			XOSL			746			63.30			NOK			47,222
5/27/2026 9:35			XOSL			734			63.20			NOK			46,389
5/27/2026 9:35			XOSL			887			63.20			NOK			56,058
5/27/2026 9:46			XOSL			578			63.10			NOK			36,472
5/27/2026 9:46			XOSL			592			63.10			NOK			37,355
5/27/2026 10:00			XOSL			83			63.05			NOK			5,233
5/27/2026 10:00			XOSL			482			63.05			NOK			30,390
5/27/2026 10:00			XOSL			545			63.05			NOK			34,362
5/27/2026 10:00			XOSL			565			63.05			NOK			35,623
5/27/2026 10:00			XOSL			401			63.05			NOK			25,283
5/27/2026 10:00			XOSL			545			63.05			NOK			34,362
5/27/2026 10:00			XOSL			565			63.05			NOK			35,623
5/27/2026 10:00			XOSL			545			63.05			NOK			34,362
5/27/2026 10:00			XOSL			278			63.05			NOK			17,528
5/27/2026 10:00			XOSL			738			63.05			NOK			46,531
5/27/2026 10:00			XOSL			500			63.05			NOK			31,525
5/27/2026 10:00			XOSL			45			63.05			NOK			2,837
5/27/2026 10:00			XOSL			275			63.05			NOK			17,339
5/27/2026 10:01			XOSL			152			62.95			NOK			9,568
5/27/2026 10:01			XOSL			532			62.95			NOK			33,489
5/27/2026 10:08			XOSL			634			63.05			NOK			39,974
5/27/2026 10:10			XOSL			666			63.00			NOK			41,958
5/27/2026 10:10			XOSL			658			62.95			NOK			41,421
5/27/2026 10:10			XOSL			585			62.95			NOK			36,826
5/27/2026 10:22			XOSL			649			62.85			NOK			40,790
5/27/2026 10:24			XOSL			616			62.70			NOK			38,623
5/27/2026 10:24			XOSL			590			62.70			NOK			36,993
5/27/2026 10:30			XOSL			100			62.95			NOK			6,295

---

Trade Date and Time			Exchange			Quantity			Price			Currency			Total Value (NOK)
5/27/2026 10:30			XOSL			515			62.95			NOK			32,419
5/27/2026 10:32			XOSL			679			62.95			NOK			42,743
5/27/2026 10:35			XOSL			75			62.95			NOK			4,721
5/27/2026 10:35			XOSL			260			62.95			NOK			16,367
5/27/2026 10:35			XOSL			83			62.95			NOK			5,225
5/27/2026 10:35			XOSL			262			62.95			NOK			16,493
5/27/2026 10:37			XOSL			1000			62.85			NOK			62,850
5/27/2026 10:37			XOSL			761			62.85			NOK			47,829
5/27/2026 10:37			XOSL			582			62.80			NOK			36,550
5/27/2026 10:46			XOSL			525			62.75			NOK			32,944
5/27/2026 10:46			XOSL			84			62.75			NOK			5,271
5/27/2026 10:50			XOSL			16			62.80			NOK			1,005
5/27/2026 10:50			XOSL			151			62.80			NOK			9,483
5/27/2026 10:51			XOSL			603			62.80			NOK			37,868
5/27/2026 10:54			XOSL			639			62.75			NOK			40,097
5/27/2026 10:54			XOSL			612			62.75			NOK			38,403
5/27/2026 10:55			XOSL			601			62.70			NOK			37,683
5/27/2026 10:55			XOSL			609			62.65			NOK			38,154
5/27/2026 10:55			XOSL			433			62.65			NOK			27,127
5/27/2026 10:55			XOSL			129			62.65			NOK			8,082
5/27/2026 11:07			XOSL			637			62.60			NOK			39,876
5/27/2026 11:07			XOSL			619			62.60			NOK			38,749
5/27/2026 11:10			XOSL			664			62.55			NOK			41,533
5/27/2026 11:17			XOSL			617			62.60			NOK			38,624
5/27/2026 11:17			XOSL			652			62.50			NOK			40,750
5/27/2026 11:17			XOSL			641			62.45			NOK			40,030
5/27/2026 11:17			XOSL			596			62.40			NOK			37,190
5/27/2026 11:29			XOSL			640			62.55			NOK			40,032
5/27/2026 11:32			XOSL			638			62.55			NOK			39,907
5/27/2026 11:36			XOSL			590			62.65			NOK			36,964
5/27/2026 11:38			XOSL			635			62.70			NOK			39,815
5/27/2026 11:42			XOSL			618			62.70			NOK			38,749
5/27/2026 11:45			XOSL			617			62.70			NOK			38,686
5/27/2026 11:48			XOSL			664			62.70			NOK			41,633
5/27/2026 11:51			XOSL			594			62.70			NOK			37,244
5/27/2026 11:53			XOSL			622			62.65			NOK			38,968
5/27/2026 12:19			XOSL			564			62.65			NOK			35,335
5/27/2026 12:19			XOSL			824			62.65			NOK			51,624
5/27/2026 12:19			XOSL			824			62.65			NOK			51,624
5/27/2026 12:19			XOSL			922			62.65			NOK			57,763
5/27/2026 12:19			XOSL			439			62.65			NOK			27,503
5/27/2026 12:19			XOSL			215			62.65			NOK			13,470
5/27/2026 12:19			XOSL			170			62.65			NOK			10,651
5/27/2026 12:19			XOSL			199			62.65			NOK			12,467
5/27/2026 12:19			XOSL			259			62.65			NOK			16,226
5/27/2026 12:20			XOSL			566			62.55			NOK			35,403
5/27/2026 12:25			XOSL			524			62.60			NOK			32,802
5/27/2026 12:28			XOSL			593			62.65			NOK			37,151

---

Trade Date and Time			Exchange			Quantity			Price			Currency			Total Value (NOK)
5/27/2026 12:28			XOSL			677			62.65			NOK			42,414
5/27/2026 12:28			XOSL			654			62.60			NOK			40,940
5/27/2026 12:28			XOSL			41			62.60			NOK			2,567
5/27/2026 12:38			XOSL			586			62.45			NOK			36,596
5/27/2026 12:38			XOSL			610			62.45			NOK			38,095
5/27/2026 12:38			XOSL			633			62.40			NOK			39,499
5/27/2026 12:58			XOSL			678			62.45			NOK			42,341
5/27/2026 12:59			XOSL			1698			62.45			NOK			106,040
5/27/2026 13:07			XOSL			1262			62.55			NOK			78,938
5/27/2026 13:10			XOSL			586			62.55			NOK			36,654
5/27/2026 13:12			XOSL			583			62.60			NOK			36,496
5/27/2026 13:16			XOSL			610			62.70			NOK			38,247
5/27/2026 13:20			XOSL			128			62.70			NOK			8,026
5/27/2026 13:20			XOSL			470			62.70			NOK			29,469
5/27/2026 13:25			XOSL			346			62.75			NOK			21,712
5/27/2026 13:25			XOSL			47			62.75			NOK			2,949
5/27/2026 13:25			XOSL			16			62.75			NOK			1,004
5/27/2026 13:26			XOSL			297			62.75			NOK			18,637
5/27/2026 13:26			XOSL			206			62.75			NOK			12,927
5/27/2026 13:26			XOSL			59			62.75			NOK			3,702
5/27/2026 13:29			XOSL			344			62.75			NOK			21,586
5/27/2026 13:29			XOSL			917			62.65			NOK			57,450
5/27/2026 13:36			XOSL			589			62.65			NOK			36,901
5/27/2026 13:36			XOSL			35			62.60			NOK			2,191
5/27/2026 13:36			XOSL			546			62.60			NOK			34,180
5/27/2026 13:43			XOSL			582			62.70			NOK			36,491
5/27/2026 13:46			XOSL			615			62.65			NOK			38,530
5/27/2026 13:48			XOSL			574			62.60			NOK			35,932
5/27/2026 13:48			XOSL			589			62.55			NOK			36,842
5/27/2026 13:48			XOSL			563			62.55			NOK			35,216
5/27/2026 13:48			XOSL			566			62.55			NOK			35,403
5/27/2026 14:00			XOSL			575			62.55			NOK			35,966
5/27/2026 14:05			XOSL			572			62.60			NOK			35,807
5/27/2026 14:08			XOSL			52			62.60			NOK			3,255
5/27/2026 14:08			XOSL			32			62.60			NOK			2,003
5/27/2026 14:08			XOSL			362			62.60			NOK			22,661
5/27/2026 14:08			XOSL			161			62.60			NOK			10,079
5/27/2026 14:11			XOSL			670			62.55			NOK			41,909
5/27/2026 14:11			XOSL			577			62.50			NOK			36,063
5/27/2026 14:13			XOSL			570			62.40			NOK			35,568
5/27/2026 14:13			XOSL			174			62.40			NOK			10,858
5/27/2026 14:22			XOSL			567			62.60			NOK			35,494
5/27/2026 14:23			XOSL			616			62.45			NOK			38,469
5/27/2026 14:23			XOSL			646			62.40			NOK			40,310
5/27/2026 14:32			XOSL			597			62.60			NOK			37,372
5/27/2026 14:34			XOSL			623			62.50			NOK			38,938
5/27/2026 14:34			XOSL			616			62.50			NOK			38,500
5/27/2026 14:34			XOSL			643			62.45			NOK			40,155

---

Trade Date and Time			Exchange			Quantity			Price			Currency			Total Value (NOK)
5/27/2026 14:34			XOSL			572			62.45			NOK			35,721
5/27/2026 14:47			XOSL			676			62.55			NOK			42,284
5/27/2026 14:47			XOSL			590			62.45			NOK			36,846
5/27/2026 14:47			XOSL			562			62.45			NOK			35,097
5/27/2026 14:49			XOSL			91			62.35			NOK			5,674
5/27/2026 14:49			XOSL			562			62.35			NOK			35,041
5/27/2026 14:49			XOSL			393			62.35			NOK			24,504
5/27/2026 14:49			XOSL			562			62.35			NOK			35,041
5/27/2026 14:49			XOSL			79			62.35			NOK			4,926
5/27/2026 14:57			XOSL			655			62.25			NOK			40,774
5/27/2026 15:05			XOSL			620			62.25			NOK			38,595
5/27/2026 15:05			XOSL			620			62.25			NOK			38,595
5/27/2026 15:05			XOSL			655			62.20			NOK			40,741
5/27/2026 15:05			XOSL			673			62.20			NOK			41,861
5/27/2026 15:15			XOSL			600			62.05			NOK			37,230
5/27/2026 15:18			XOSL			598			62.00			NOK			37,076
5/27/2026 15:21			XOSL			585			62.00			NOK			36,270
5/27/2026 15:26			XOSL			613			62.00			NOK			38,006
5/27/2026 15:26			XOSL			583			61.95			NOK			36,117
5/27/2026 15:30			XOSL			659			61.85			NOK			40,759
5/27/2026 15:30			XOSL			653			61.85			NOK			40,388
5/27/2026 15:33			XOSL			731			61.85			NOK			45,212
5/27/2026 15:33			XOSL			7			61.80			NOK			433
5/27/2026 15:33			XOSL			764			61.80			NOK			47,215
5/27/2026 15:33			XOSL			738			61.80			NOK			45,608
5/27/2026 15:36			XOSL			811			61.45			NOK			49,836
5/27/2026 15:36			XOSL			4			61.40			NOK			246
5/27/2026 15:36			XOSL			164			61.40			NOK			10,070
5/27/2026 15:36			XOSL			20			61.40			NOK			1,228
5/27/2026 15:36			XOSL			20			61.40			NOK			1,228
5/27/2026 15:36			XOSL			20			61.40			NOK			1,228
5/27/2026 15:36			XOSL			20			61.40			NOK			1,228
5/27/2026 15:36			XOSL			20			61.40			NOK			1,228
5/27/2026 15:36			XOSL			160			61.40			NOK			9,824
5/27/2026 15:36			XOSL			80			61.40			NOK			4,912
5/27/2026 15:36			XOSL			242			61.40			NOK			14,859
5/27/2026 15:42			XOSL			30			61.30			NOK			1,839
5/27/2026 15:42			XOSL			569			61.30			NOK			34,880
5/27/2026 15:42			XOSL			591			61.30			NOK			36,228
5/27/2026 15:52			XOSL			513			61.90			NOK			31,755
5/27/2026 15:52			XOSL			54			61.90			NOK			3,343
5/27/2026 15:53			XOSL			627			61.90			NOK			38,811
5/27/2026 15:54			XOSL			1071			61.95			NOK			66,348
5/27/2026 15:54			XOSL			382			61.95			NOK			23,665
5/27/2026 15:54			XOSL			382			61.95			NOK			23,665
5/27/2026 15:54			XOSL			589			61.95			NOK			36,489
5/27/2026 15:54			XOSL			382			61.95			NOK			23,665
5/27/2026 15:54			XOSL			100			61.95			NOK			6,195

---

Trade Date and Time			Exchange			Quantity			Price			Currency			Total Value (NOK)
5/27/2026 15:54			XOSL			43			61.95			NOK			2,664
5/27/2026 16:01			XOSL			1261			62.30			NOK			78,560
5/27/2026 16:01			XOSL			694			62.25			NOK			43,202
5/27/2026 16:01			XOSL			613			62.25			NOK			38,159
5/27/2026 16:01			XOSL			637			62.25			NOK			39,653
5/27/2026 16:06			XOSL			604			61.95			NOK			37,418
5/27/2026 16:06			XOSL			597			61.95			NOK			36,984
5/27/2026 16:06			XOSL			636			61.90			NOK			39,368
5/27/2026 16:07			XOSL			621			61.75			NOK			38,347
5/27/2026 16:12			XOSL			1070			61.65			NOK			65,966

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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: May 28, 2026                    CADELER A/S

(Registrant)

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