# Filing Detail

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:
SEC Accession No. 0001956827-26-000012
Filing Date
2026-03-23
Accepted
2026-03-23 16:54:47
Documents
165
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 20-F | abvx-20251231.htm iXBRL | 20-F | 9341463
2 | EX-1.1 | abivax-20xfxex11bylaws6feb.htm | EX-1.1 | 153350
3 | EX-2.1 | abivax-20xfxex21descriptio.htm | EX-2.1 | 227401
4 | EX-4.16 | abivax-20xfxex416summaryof.htm | EX-4.16 | 18936
5 | EX-4.17 | abivax-20xfxex417summaryof.htm | EX-4.17 | 8851
6 | EX-4.18 | abivax-20xfxex418summaryof.htm | EX-4.18 | 47646
7 | EX-11.1 | a03abivax-ipoxboardbookxco.htm | EX-11.1 | 137971
8 | EX-12.1 | abivax-202520xfxex121ceo.htm | EX-12.1 | 10721
9 | EX-12.2 | abivax-202520xfxex122cfo.htm | EX-12.2 | 9614
10 | EX-13.1 | abivax-202520xfxex131ceo.htm | EX-13.1 | 4395
11 | EX-13.2 | abivax-202520xfxex132cfo.htm | EX-13.2 | 4460
12 | EX-15.1 | pwc_consentx20-fxfy25.htm | EX-15.1 | 1809
18 |  | abvx-20251231_g1.gif | GRAPHIC | 201048
19 |  | abvx-20251231_g10.gif | GRAPHIC | 98146
20 |  | abvx-20251231_g11.gif | GRAPHIC | 101284
21 |  | abvx-20251231_g12.gif | GRAPHIC | 55609
22 |  | abvx-20251231_g13.jpg | GRAPHIC | 20930
23 |  | abvx-20251231_g2.gif | GRAPHIC | 62598
24 |  | abvx-20251231_g3.gif | GRAPHIC | 129266
25 |  | abvx-20251231_g4.gif | GRAPHIC | 49801
26 |  | abvx-20251231_g5.gif | GRAPHIC | 84928
27 |  | abvx-20251231_g6.gif | GRAPHIC | 66150
28 |  | abvx-20251231_g7.gif | GRAPHIC | 75932
29 |  | abvx-20251231_g8.gif | GRAPHIC | 51884
30 |  | abvx-20251231_g9.gif | GRAPHIC | 54279
| Complete submission text file | 0001956827-26-000012.txt |  | 38024999

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
13 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | abvx-20251231.xsd | EX-101.SCH | 189221
14 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | abvx-20251231_cal.xml | EX-101.CAL | 126046
15 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | abvx-20251231_def.xml | EX-101.DEF | 915898
16 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | abvx-20251231_lab.xml | EX-101.LAB | 1306227
17 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | abvx-20251231_pre.xml | EX-101.PRE | 1182582
169 | EXTRACTED XBRL INSTANCE DOCUMENT | abvx-20251231_htm.xml | XML | 7943019

Mailing Address 7 BD HAUSSMANN PARIS France
Business Address 7 BD HAUSSMANN PARIS France 01 53 83 09 63
Abivax S.A. (Filer) CIK: 0001956827 (see all company filings)

EIN.: 000000000 | State of Incorp.: I0 | Fiscal Year End: 1231
Type: 20-F | Act: 34 | File No.: 001-41842 | Film No.: 26783055
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)