Net Proceeds From Sale Of Royalty Certificates

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- Definition

Proceeds From Conditional Advances

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No definition available.

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- Definition

Proceeds From Research Tax Credit

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No definition available.

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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No definition available.

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- Definition

The cash inflow from borrowings obtained. [Refer: Borrowings]

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The cash inflow from government grants, classified as financing activities. [Refer: Government [member]; Government grants]

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- Definition

The cash inflow from issuing shares.

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The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]

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Basis of preparation (Details) - EUR (€) € in Thousands	1 Months Ended			3 Months Ended		6 Months Ended	9 Months Ended		142 Months Ended
Basis of preparation (Details) - EUR (€) € in Thousands	Jul. 31, 2025	Oct. 31, 2023	Feb. 28, 2023	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of non-adjusting events after reporting period [line items]
Net loss for the period				€ (153,358)	€ (55,227)		€ (254,142)	€ (136,864)
Capital increases							648,124	0	€ 1,194,700
Proceeds from borrowings									175,000
Proceeds from research tax credit						€ 5,640			41,300
Net proceeds from PGE									2,900
Cash and cash equivalents				€ 589,703	€ 180,451		€ 589,703	€ 180,451	589,703	€ 144,221	€ 251,942
Conditional advances Bpifrance
Disclosure of non-adjusting events after reporting period [line items]
Proceeds from government grants									21,300
Net proceeds from sale of royalty certificates									€ 1,800
Registered direct offering
Disclosure of non-adjusting events after reporting period [line items]
Capital increases	€ 637,500	€ 223,300	€ 130,000