Annual Report 2025

Annual Report 2025

25. Related Party Transactions

25.1. Relationship and transactions with joint venture entity

In 2022, the University of Colorado Anschutz Medical Campus and the University of Colorado Health (UCHealth) created an asset-centric spin-off, OncoVerity, Inc (OncoVerity), focused on optimizing and advancing the development of cusatuzumab, a novel anti-CD70 antibody, in AML. OncoVerity is an entity of co-creation, combining the extensive translational biology insights from Dr. Clayton Smith, M.D. from the University of Colorado with our experience on the CD70/CD27 pathway. argenx contributed $7 million in 2025 ($7 million and $13 million in 2024 and 2023 respectively).

The investment has been accounted under IAS 28 Investment in associates and Joint Ventures using the equity method of accounting and has been designated as an “Investment in a joint venture” in the consolidated statements of financial position. The share of net loss resulting from investment in joint ventures is presented in consolidated statements of profit or loss as “Loss from investment in a joint venture”. The cash contributions made by the Company to the Joint Venture is reported under Cash flow from investing activities under “Investment in a joint venture”.

25.2. Relationship and transactions with subsidiaries

See “Note 29 Overview of Consolidation Scope” for an overview of the consolidated companies of the group, which are all wholly-owned subsidiaries of argenx SE.

Balances and transactions between the Company and its subsidiaries, which are related parties of the Company, have been eliminated on consolidation and are not disclosed in this note.

25.3. Relationship and transactions with key personnel

The Company’s key management personnel consists of the members of the management team and the members of the board of directors.

Remuneration of key management personnel

On December 31, 2025, the Senior Management Team consisted of eight members: Chief Executive Officer, Chief Operating Officer, Chief Financial Officer, Chief Scientific Officer, General Counsel, Chief Medical Officer, Vice President Corporate Development and Strategy and Global Head of Quality Assurance. They provide their services on a full-time basis.

On December 31, 2025, the board of directors consisted of eight Non-Executive Directors: Peter Verhaeghe, Pamela Klein, Anthony Rosenberg, James Daly, Camilla Sylvest, Ana Céspedes, Steve Krognes, Brian Kotzin, and one executive director, Tim Van Hauwermeiren.

Only the CEO is a member of both the Senior Management Team and the Board of Directors. The CEO does not receive any remuneration for his membership of the Board of Directors, as this is part of his total remuneration package in his capacity as member of the Senior Management Team.

The remuneration package of the members of key management personnel comprises:

Remuneration of Key Management Personnel

 

 

Year Ended December 31,

(in thousands of $, except for the number of stock options & RSUs)

 

2025

 

2024

 

2023

Remuneration of key management personnel

 

 

 

 

 

 

Short-term benefits for the Senior Management Team

 

 

 

 

 

 

Gross salary

 

5,285

 

4,529

 

4,161

Variable pay

 

3,276

 

3,084

 

2,816

Employer social security

 

2,497

 

1,473

 

807

Other short term benefits

 

497

 

672

 

545

Post-employment benefits for the Senior Management Team

 

327

 

274

 

167

Cost of stock options granted in the year for the Senior Management Team

 

16,819

 

17,758

 

27,983

Cost of restricted stock units granted in the year for the Senior Management Team

 

 

16,211

 

11,694

Cost of performance stock units granted in the year for the Senior Management Team

 

13,899

 

 

Employer social security cost related to stock options

 

1,432

 

2,825

 

(494)

Total benefits for key management personnel

 

44,032

 

46,826

 

47,679

Numbers of stock options granted in the year

 

 

 

 

 

 

Senior Management Team

 

73,091

 

98,306

 

132,100

Numbers of restricted stock units granted in the year

 

 

 

 

 

 

Senior Management Team

 

 

36,365

 

30,425

Numbers of performance stock units granted in the year

 

 

 

 

 

 

Senior Management Team

 

24,742

 

 

Remuneration of Non-Executive Directors

 

 

 

 

 

 

Board fees and other short-term benefits for Non-Executive Directors

 

774

 

731

 

533

Cost of stock options granted in the year for Non-Executive Directors

 

 

 

2,280

Cost of restricted stock units granted in the year for Non-Executive Directors

 

3,159

 

4,511

 

1,034

Total benefits for Non-Executive Directors

 

3,933

 

5,242

 

3,846

Numbers of stock options granted in the year

 

 

 

 

 

 

Non-Executive Directors

 

 

 

12,400

Numbers of restricted stock units granted in the year

 

 

 

 

 

 

Non-Executive Directors

 

5,624

 

10,118

 

2,713

Other

No loans, quasi-loans or other guarantees were given by the Company or any of its subsidiaries to members of the Senior Management Team or the Board of Directors. We have not entered into transactions with the Company’s key management personnel, other than as described above with respect to remuneration arrangements relating to the exercise of their mandates as members of the Senior Management Team and the Board of Directors.