v3.25.4

Earnings Per Share - Summary of Earnings and Share Data Used in the Basic and Diluted Earnings Per Share Calculation (Detail) - EUR (€) € / shares in Units, € in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Earnings |  |  |
Net profit/(loss) for the year | € (228,034) | € (378,084) | € (481,447)
Number of shares |  |  |
Weighted average number of ordinary shares for the purposes of basic and diluted earnings per share | 60,607,131 | 57,891,570 | 56,287,060
Basic earnings per share | € (3.76) | € (6.53) | € (8.55)
Diluted earnings per share | € (3.76) | € (6.53) | € (8.55)

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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2025-01-01 -Paragraph 66 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2025-01-01 -Paragraph 67 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_67&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2025-01-01 -Paragraph 70 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_a&doctype=Standard -URIDate 2025-03-27 + Details
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