Abivax S.A.

FY: Dec 31 2025

FY: Dec 31 2024

FY: Dec 31 2023

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Registration statement for American depositary receipts, effective on filing

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers

Prospectus Supplement with Pricing Information

Free Writing Prospectus

Certification of approval for listing and registration on a national securities exchange

Notice of Effectiveness

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers (amendment)

Registration of Securities on Exchange

TCG Crossover GP I, LLC

Invus Global Management, LLC

Sofinnova Crossover I

Sofinnova Crossover I

Invus Global Management, LLC

Sofinnova Crossover I

Sofinnova Crossover I

Venrock Healthcare Capital Partners III, L.P.

TCG Crossover GP I, LLC

Sofinnova Crossover I

Sofinnova Crossover I

Deep Track Capital, LP

Sofinnova Crossover I

Invus Global Management, LLC

Sofinnova Crossover I

Deep Track Capital, LP

none

none

none

none

Post-effective amendment to an automatic shelf registration statement

No description available

No description available

Correspondence with the SEC

Letter from the SEC

No description available

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

No description available

No description available

Draft registration statement (confidential submission) (amendment)

Letter from the SEC

Draft registration statement (confidential submission) (amendment)

No description available