0000001 - Document - Cover page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF LOSS link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - The Group link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Basis of preparation link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Significant events for the year ended December 31, 2025 and the three-month period ended March 31, 2026 and subsequent events link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Accounting principles link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Segment information link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Goodwill and impairment test link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Intangible assets link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Property, plant and equipment link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Other financial assets link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Other receivables and assets link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Cash and cash equivalents link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Financial assets and liabilities link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Shareholders’ equity link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Share-based payments link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Financial liabilities link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Retirement benefit obligations link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Payables, other current liabilities and provisions link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Operating income link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Operating expenses link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Employees link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Financial gain (loss) link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - Income tax link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - Loss per share link:presentationLink link:calculationLink link:definitionLink 9952179 - Disclosure - Related parties link:presentationLink link:calculationLink link:definitionLink 9952180 - Disclosure - Off-balance sheet commitments given and contingent liabilities link:presentationLink link:calculationLink link:definitionLink 9952181 - Disclosure - Off-balance sheet commitments received and contingent assets link:presentationLink link:calculationLink link:definitionLink 9952182 - Disclosure - Management and assessment of financial risks link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Accounting principles (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Intangible assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Property, plant and equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Other financial assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Other receivables and assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Cash and cash equivalents (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Financial assets and liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Share-based payments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Financial liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Payables, other current liabilities and provisions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Operating income (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Operating expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Employees (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Financial gain (loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Loss per share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - The Group (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Basis of preparation (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Significant events for the year ended December 31, 2025 and the three-month period ended March 31, 2026 and subsequent events - For the year ended December 31, 2025 (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Significant events for the year ended December 31, 2025 and the three-month period ended March 31, 2026 and subsequent events - For the three-month period ended March 31, 2026 (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Significant events for the year ended December 31, 2025 and the three-month period ended March 31, 2026 and subsequent events - Subsequent events (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Segment information (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Goodwill and impairment test (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Intangible assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Intangible assets - Disclosure of reconciliation of intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Property, plant and equipment - Disclosure of reconciliation of property, plant and equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Property, plant and equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Other financial assets - Disclosure of other financial assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Other financial assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Other receivables and assets - Disclosure of other receivables and other assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Other receivables and assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Cash and cash equivalents - Disclosure of composition of cash and cash equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Cash and cash equivalents - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Financial assets and liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Shareholders’ equity - Share capital issued (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Shareholders’ equity - Change in share capital (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Share-based payments - Disclosure of reconciliation of BCEs (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Share-based payments - Disclosure of reconciliation of BSAs (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Share-based payments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Share-based payments - Disclosure of fair value of the BSAs at grant date using the Black Scholes model (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Share-based payments - Disclosure of reconciliation of AGAs (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Share-based payments - Disclosure of assumptions used for the measurement of AGAs (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Share-based payments - Disclosure of breakdown of the compensation expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Financial liabilities - Disclosure of financial liabilities breakdown (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Financial liabilities - Kreos / Claret Financing (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Financial liabilities - Heights convertible notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Financial liabilities - Disclosure of variation in lease liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Financial liabilities - Lease liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Financial liabilities - Royalty certificates (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Financial liabilities - Disclosure of reconciliation of liabilities arising from financing activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Financial liabilities - Disclosure of changes in derivative instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Financial liabilities - Disclosure of remaining contractual maturities of financial liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Payables, other current liabilities and provisions - Disclosure of breakdown of trade and other payables (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Payables, other current liabilities and provisions - Disclosure of tax and employee-related payables (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Payables, other current liabilities and provisions (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Operating income - Disclosure of breakdown of operating income (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Operating income - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Operating expenses - Disclosure of sales and marketing expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Operating expenses - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Operating expenses - Disclosure of research and development expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Operating expenses - Disclosure of general and administrative expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Employees (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Financial gain (loss) - Disclosure of net financial income (loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Financial gain (loss) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Loss per share (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Off-balance sheet commitments given and contingent liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Management and assessment of financial risks (Details) link:presentationLink link:calculationLink link:definitionLink