v3.26.1
Share based payments (Tables)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2023
Disclosure of terms and conditions of share-based payment arrangement [line items]    
RSUs outstanding

2025

  ​ ​ ​

2024

2023

(in number of RSUs)

Outstanding on January 1,

1,306,271

1,175,453

736,095

Granted during the year

846,652

840,088

920,510

Forfeited during the year

(523,681)

(476,482)

(270,474)

Paid in cash during the year

(360,628)

(232,788)

(210,678)

Outstanding on December 31,

1,268,614

1,306,271

1,175,453

 
Subscription rights    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Schedule of Subscription Rights exercisable

Subscription right exercisable as from:

Cliff vesting

Graded vesting

  ​ ​ ​

First tranche of 25%

Second tranche of 25%

Third tranche of 50%

Subscription right plans before 2021

First day after end of third calendar year following the grant

Subscription right plan 2021BE

First day after end of third calendar year following the grant

Subscription right plan 2021RMV and ROW

January 1, 2023

January 1, 2024

January 1, 2025

Subscription right plan 2022 (A)

January 1, 2023

January 1, 2024

January 1, 2025

Subscription right plan 2022 (B)

January 1, 2026

Subscription right plan 2022BE

January 1, 2026

Subscription right plan 2022RMV and ROW

January 1, 2024

January 1, 2025

January 1, 2026

Subscription right plan 2023BE

January 1, 2027

Subscription right plan 2023RMV and ROW

-

January 1, 2025

January 1, 2026

January 1, 2027

Subscription right plan 2024BE

January 1, 2028

Subscription right plan 2024RMV and ROW

-

January 1, 2026

January 1, 2027

January 1, 2028

Subscription right plan 2025 (A)

June 12, 2028

Subscription right plan 2025 (B)

August 22, 2028

Subscription right plan 2025 (B)

December 9, 2028

-

-

-

 
Schedule of summary of other equity instruments outstanding and exercisable per plan  

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Outstanding 

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Outstanding 

  ​ ​ ​

Exercisable

 per

Granted and accepted

Exercised

Forfeited

Expired

per

per

Allocation

Expiry

Exercise

January 1,

during

during

during

during

December 31,

December 31,

Subscription right plan

date

date

price (€)

2025

the year

the year

the year

the year

2025

2025

2016 (B)

01/20/2017

01/19/2025

62.50

10,000

(10,000)

2017

05/17/2017

05/16/2025

80.57

585,000

(585,000)

2017 RMV

05/17/2017

05/16/2025

80.57

105,000

(105,000)

2018

04/19/2018

04/18/2026

79.88

929,995

(5,000)

924,995

924,995

2018 RMV

04/19/2018

04/18/2026

79.88

117,500

117,500

117,500

2019

04/10/2019

04/09/2027

95.11

1,144,990

(17,000)

1,127,990

1,127,990

2019 RMV

04/10/2019

04/09/2027

95.11

153,500

(1,750)

151,750

151,750

2020

04/17/2020

04/16/2028

168.42

1,315,692

(13,456)

1,302,236

1,302,236

2020RMV

04/17/2020

04/16/2028

168.42

179,175

(11,100)

168,075

168,075

2021BE

04/30/2021

04/29/2029

64.76

1,015,033

(252)

1,014,781

1,014,781

2021RMV

04/30/2021

04/29/2029

64.76

218,925

(8,325)

210,600

210,600

2021ROW

04/30/2021

04/29/2029

64.76

591,450

(5,625)

585,825

585,825

2022 (A)

01/13/2022

01/12/2030

46.18

30,000

30,000

30,000

2022 (B)

01/26/2022

01/25/2030

50.00

1,000,000

1,000,000

1,000,000

2022BE

05/06/2022

05/05/2030

57.46

804,232

(1,588)

802,644

802,644

2022BE

08/05/2022

05/05/2030

51.58

78,000

(6,000)

72,000

72,000

2022RMV

05/06/2022

05/05/2030

57.46

199,069

(4,780)

194,289

194,289

2022ROW

05/06/2022

05/05/2030

57.46

631,100

(16,673)

614,427

614,427

2022ROW

08/05/2022

08/04/2030

51.58

60,000

60,000

60,000

2023BE

05/05/2023

05/04/2031

35.11

593,250

593,250

2023RMV

05/05/2023

05/04/2031

35.11

100,000

100,000

50,000

2023ROW

05/05/2023

05/04/2031

35.11

496,900

(28,750)

468,150

235,950

2023BE

06/15/2023

06/14/2031

38.58

200,000

200,000

2023ROW

11/17/2023

05/04/2031

32.99

20,000

20,000

10,000

2024BE

05/16/2024

05/15/2032

26.90

667,798

(50,000)

617,798

2024RMV

05/16/2024

05/15/2032

26.90

21,500

21,500

5,375

2024ROW

05/16/2024

05/15/2032

26.90

602,000

(62,000)

540,000

135,000

2024BE

10/01/2024

09/30/2032

25.88

3,500

3,500

2024ROW

10/01/2024

09/30/2032

25.88

37,500

37,500

9,375

2025 (A)

05/27/2025

06/11/2033

25.64

925,000

925,000

2025 (B)

08/07/2025

08/06/2033

28.16

905,000

905,000

2025 (B)

11/19/2025

11/18/2033

26.75

420,000

420,000

Total

11,911,109

2,250,000

(232,299)

(700,000)

13,228,810

8,822,812

  ​ ​ ​

  ​ ​ ​

Weighted

average

exercise

Subscription rights

price (Euro)

Outstanding on December 31, 2022

10,816,856

83.12

Exercisable on December 31, 2022

2,574,218

70.26

Granted and accepted during the period

1,538,400

35.53

Forfeited during the year

(544,676)

80.31

Exercised during the period

(61,560)

28.75

Expired during the year

(276,500)

49.00

Outstanding on December 31, 2023

11,472,520

77.93

Exercisable on December 31, 2023

5,836,538

101.93

Granted and accepted during the period

1,381,000

26.87

Forfeited during the year

(547,911)

72.66

Exercised during the period

Expired during the year

(394,500)

46.10

Outstanding on December 31, 2024

11,911,109

73.19

Exercisable on December 31, 2024

5,182,941

107.03

Granted and accepted during the period

2,250,000

26.86

Forfeited during the year

(232,299)

55.51

Exercised during the period

Expired during the year

(700,000)

80.31

Outstanding on December 31, 2025

13,228,810

65.24

Exercisable on December 31, 2025

8,822,812

83.32

Schedule of inputs into the valuation of the other equity instruments

2025 (A)

2025 (B)

  ​ ​ ​

2025 (B)

May 27, 2025

August 7, 2025

November 19, 2025

Weighted average exercise price (€)

25.64

28.16

26.75

Weighted average share price at acceptance date (€)

25.46

28.16

27.04

Weighted average fair value at the acceptance date (€)

9.80

10.98

10.06

Weighted average historical volatility (%)

38.79

38.77

35.98

Weighted average expected life of the subscription rights (years)

5.50

5.50

5.50

Weighted average risk free rate (%)

2.03

2.19

2.21

Expected dividends

None

None

None

2024BE/ROW

2024BE

2024RMV/ROW

2023BE

2023RMV/ROW

October 1

May 16

May 16

  ​ ​ ​

May 5 & June 15

May 5 & November 17

Exercise Price (€)

25.88

26.90

26.90

35.97

35.05

Weighted average share price at acceptance date (€)

26.00

23.80

23.80

38.53

38.63

Weighted average fair value at the acceptance date (€)

10.57

9.78

9.11

16.61

15.96

Weighted average historical (2024)/estimated (before 2024) volatility (%)

41.73

42.19

42.19

36.89

36.67

Weighted average expected life of the subscription rights (years)

5.28

6.22

5.44

6.14

5.38

Weighted average risk free rate (%)

2.17

2.56

2.58

2.77

2.74

Expected dividends

None

None

None

None

None

 
Schedule of summary of other equity instruments outstanding by category

December 31,

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

(in number of subscription rights)

Members of the Board of Directors

7,500

7,500

7,500

Members of the Executive Committee

1,666,500

1,616,500

1,670,500

Personnel

11,554,810

10,287,109

9,794,520

Total subscription rights outstanding

13,228,810

11,911,109

11,472,520

 
Restricted Stock Units (RSUs)    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Schedule of summary of other equity instruments outstanding and exercisable per plan

  ​ ​ ​

  ​ ​ ​

Outstanding 

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Outstanding 

 per

Granted

Forfeited

Paid in cash

per

Offer

January 1,

during

during

during

December 31,

RSU plan

date

2025

year

year

year

2025

Plan 2021.I.

05/05/2021

8,448

(1,598)

(6,850)

Plan 2021.II.

06/05/2021

2,031

(2,031)

Plan 2022.I.

05/03/2022

23,832

(10,260)

(9,734)

3,838

Plan 2022.II.

5/05/2022 - 8/05/2022

54,768

(6,103)

(29,318)

19,347

Plan 2023.I.

05/08/2023

129,963

(58,881)

(31,907)

39,175

Plan 2023.II.

05/09/2023 - 06/15/2023 - 11/17/2023

287,625

(84,014)

(95,875)

107,736

Plan 2024.I.

05/16/2024

566,456

(208,573)

(130,417)

227,466

Plan 2024.II.

05/16/2024 - 09/17/2024

233,148

(102,536)

(54,496)

76,116

Plan 2025.I.

06/16/2025 - 08/29/2025 - 11/25/2025

258,384

(22,192)

236,192

Plan 2025.II.

06/16/2025

21,416

(8,176)

13,240

Plan 2025.III.

06/16/2025

6,928

(712)

6,216

Plan 2025.IV.

06/16/2025 - 08/07/2025 -11/19/2025

400,000

400,000

Plan 2025.V.

06/23/2025

29,924

(20,636)

9,288

Plan 2025.VI.

08/07/2025 - 11/19/2025

130,000

130,000

Total

1,306,271

846,652

(523,681)

(360,628)

1,268,614

 
Schedule of summary of other equity instruments outstanding by category

December 31,

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

(in number of RSUs)

Members of the Executive Committee

445,967

564,034

438,738

Personnel

822,647

742,237

736,715

Total outstanding RSUs

1,268,614

1,306,271

1,175,453