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Share-based payments (Tables)

12 Months Ended

Dec. 31, 2023

Share-based payments

Summary of the number of shares in active share option plans

Share options outstanding

Share options exercisable

Shares

Scheme

Shares

Shares

Shares

outstanding

Shares

Shares

Shares

Shares

Shares

Year

interest at

awarded

lapsed

vested

at

exercisable at

vested

exercised

lapsed

exercisable at

of

Vesting

1 January

during

during

during

31 December

1 January

during

during

during

31 December

grant

year

2023

2023

2023

2023

2023

2023

2023

2023

2023

2023

2013

2016

—

495

—

(495)

—

1,042,134

495

(1,032,534)

(10,026)

69

2014

2017

—

14,985

—

(14,985)

—

1,196,188

14,985

(59,322)

—

1,151,851

2015

2018

—

15,985

—

(15,985)

—

1,266,518

15,985

(31,407)

(44)

1,251,052

2016

2019

—

22,192

—

(22,192)

—

1,841,196

22,192

(435,337)

(91)

1,427,960

2017

2020

—

16,294

—

(16,294)

—

1,324,727

16,294

(129,684)

(1,405)

1,209,932

2018

2021

14,597

20,482

—

(35,079)

—

1,987,868

35,079

(451,341)

(7,152)

1,564,454

2019

2022

461,663

40,825

(21,670)

(480,818)

—

2,213,079

480,818

(919,141)

(3,758)

1,770,998

2020

2023

3,186,387

68,967

(1,141,319)

(2,114,035)

—

—

2,114,035

(872,037)

—

1,241,998

2021

2024

3,797,985

—

(165,786)

—

3,632,199

—

—

—

—

—

2022

2025

4,845,900

31,248

(205,496)

(5,951)

4,665,701

—

5,951

—

—

5,951

2023

2026

—

5,876,229

(1,179,468)

(57,770)

4,638,991

—

57,770

(57,770)

—

—


				Share options outstanding										Share options exercisable
												Shares
				Scheme		Shares		Shares		Shares		outstanding		Shares		Shares		Shares		Shares		Shares
Year				interest at		awarded		lapsed		vested		at		exercisable at		vested		exercised		lapsed		exercisable at
of		Vesting		1 January		during		during		during		31 December		1 January		during		during		during		31 December
grant		year		2022		2022		2022		2022		2022		2022		2022		2022		2022		2022
2012		2015		—		—		—		—		—		168,551		—		(168,426)		(125)		—
2013		2016		—		16,964		—		(16,964)		—		1,025,307		16,964		(137)		—		1,042,134
2014		2017		—		19,487		—		(19,487)		—		1,188,070		19,487		(11,367)		(2)		1,196,188
2015		2018		—		21,107		—		(21,107)		—		1,364,269		21,107		(118,858)		—		1,266,518
2016		2019		—		30,808		—		(30,808)		—		1,942,074		30,808		(131,628)		(58)		1,841,196
2017		2020		—		24,878		—		(24,878)		—		1,625,618		24,878		(324,744)		(1,025)		1,324,727
2018		2021		891,744		34,531		(5,910)		(905,768)		14,597		1,538,591		905,768		(451,433)		(5,058)		1,987,868
2019		2022		4,776,149		132,345		(332,441)		(4,114,390)		461,663		—		4,114,390		(1,878,327)		(22,984)		2,213,079
2020		2023		3,471,012		—		(284,625)		—		3,186,387		—		—		—		—		—
2021		2024		4,137,673		—		(339,688)		—		3,797,985		—		—		—		—		—
2022		2025		—		4,964,496		(118,596)		—		4,845,900		—		—		—		—		—

Share options outstanding

Share options exercisable

Scheme

Shares

Shares

Shares

Shares

Shares

Shares

Shares

Shares

Shares

interest at

awarded

lapsed

vested

outstanding at

exercisable at

vested

exercised

lapsed

exercisable at

Year of

Vesting

1 January

during

during

during

31 December

1 January

during

during

during

31 December

grant

year

2023

2023

2023

2023

2023

2023

2023

2023

2023

2023

2023

2026

—

1,163,570

(130,820)

(21,330)

1,011,420

—

21,330

(21,330)

—

—