Argenx SE SEC filings ARGX
Argenx SE has 295 filings in SEC EDGAR's recent list, going back to Mar 1, 2017. Its latest annual report, Form 20-F, was filed on Mar 19, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 22, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Oct 22, 2026 | Sep 30, 2026 |
| 6-K | Current report (foreign issuer) | Oct 19, 2026 | Oct 19, 2026 |
| 6-K | Current report (foreign issuer) | Oct 8, 2026 | Oct 8, 2026 |
| 6-K | Current report (foreign issuer) | Sep 29, 2026 | Sep 29, 2026 |
| 6-K | Current report (foreign issuer) | Aug 27, 2026 | Aug 27, 2026 |
| SC TO-T/A | Filing | Aug 27, 2026 | — |
| SC TO-T/A | Filing | Aug 19, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 17, 2026 | Aug 17, 2026 |
| SC TO-T/A | Filing | Aug 6, 2026 | — |
| SC TO-T | Filing | Aug 6, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 3, 2026 | Aug 3, 2026 |
| SC TO-C | Filing | Jul 28, 2026 | — |
| SC TO-C | Filing | Jul 27, 2026 | — |
| 6-K | Current report (foreign issuer) | Jul 27, 2026 | Jul 27, 2026 |
| 6-K | Current report (foreign issuer) | Jul 23, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Jun 23, 2026 | Jun 23, 2026 |
| 6-K | Current report (foreign issuer) | Jun 3, 2026 | Jun 3, 2026 |
| 6-K | Current report (foreign issuer) | May 11, 2026 | May 8, 2026 |
| 6-K | Current report (foreign issuer) | May 7, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | May 6, 2026 | May 6, 2026 |
| 6-K | Current report (foreign issuer) | Apr 20, 2026 | Apr 20, 2026 |
| 6-K | Current report (foreign issuer) | Mar 20, 2026 | Mar 20, 2026 |
| 20-F | Annual report (foreign issuer) | Mar 19, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 19, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 6, 2026 | Mar 6, 2026 |
| 6-K | Current report (foreign issuer) | Feb 26, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Feb 26, 2026 | Feb 26, 2026 |
| 6-K | Current report (foreign issuer) | Jan 13, 2026 | Jan 13, 2026 |
| 6-K | Current report (foreign issuer) | Jan 12, 2026 | Jan 12, 2026 |
| 6-K | Current report (foreign issuer) | Jan 5, 2026 | Jan 5, 2026 |
| UPLOAD | Letter from the SEC | Dec 18, 2025 | — |
| S-8 | Employee stock plan registration | Dec 17, 2025 | — |
| 6-K | Current report (foreign issuer) | Dec 15, 2025 | Dec 15, 2025 |
| 6-K | Current report (foreign issuer) | Nov 18, 2025 | Nov 18, 2025 |
| 6-K | Current report (foreign issuer) | Oct 30, 2025 | Sep 30, 2025 |
| 6-K | Current report (foreign issuer) | Oct 29, 2025 | Oct 29, 2025 |
| 6-K | Current report (foreign issuer) | Oct 15, 2025 | Oct 15, 2025 |
| 6-K | Current report (foreign issuer) | Oct 3, 2025 | Oct 3, 2025 |
| CORRESP | Letter to the SEC | Sep 25, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 25, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 25, 2025 | Aug 25, 2025 |
| 6-K | Current report (foreign issuer) | Jul 31, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Jun 30, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Jun 20, 2025 | Jun 20, 2025 |
| 6-K | Current report (foreign issuer) | Jun 11, 2025 | Jun 11, 2025 |
| 6-K | Current report (foreign issuer) | May 28, 2025 | May 28, 2025 |
| 6-K | Current report (foreign issuer) | May 8, 2025 | Mar 31, 2025 |
| 6-K | Current report (foreign issuer) | Apr 28, 2025 | Apr 28, 2025 |
| 6-K | Current report (foreign issuer) | Apr 14, 2025 | Apr 11, 2025 |
| 6-K | Current report (foreign issuer) | Apr 11, 2025 | Apr 10, 2025 |
| 6-K | Current report (foreign issuer) | Apr 8, 2025 | Apr 8, 2025 |
| 20-F | Annual report (foreign issuer) | Mar 20, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 20, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 7, 2025 | Mar 7, 2025 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Jan 13, 2025 | Jan 13, 2025 |
| 6-K | Current report (foreign issuer) | Dec 27, 2024 | Dec 27, 2024 |
| 6-K | Current report (foreign issuer) | Nov 20, 2024 | Nov 20, 2024 |
| 6-K | Current report (foreign issuer) | Nov 12, 2024 | Nov 12, 2024 |
| 6-K | Current report (foreign issuer) | Oct 31, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Oct 15, 2024 | Oct 15, 2024 |
| 6-K | Current report (foreign issuer) | Sep 19, 2024 | Sep 19, 2024 |
| 6-K | Current report (foreign issuer) | Jul 25, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Jul 16, 2024 | Jul 16, 2024 |
| 6-K | Current report (foreign issuer) | Jul 16, 2024 | Jul 16, 2024 |
| 6-K | Current report (foreign issuer) | Jun 25, 2024 | Jun 25, 2024 |
| 6-K | Current report (foreign issuer) | Jun 24, 2024 | Jun 21, 2024 |
| 6-K | Current report (foreign issuer) | Jun 17, 2024 | Jun 17, 2024 |
| 6-K | Current report (foreign issuer) | May 9, 2024 | May 9, 2024 |
| 6-K | Current report (foreign issuer) | May 8, 2024 | May 8, 2024 |
| 6-K | Current report (foreign issuer) | Apr 16, 2024 | Apr 16, 2024 |
| 6-K | Current report (foreign issuer) | Mar 27, 2024 | Mar 27, 2024 |
| 6-K | Current report (foreign issuer) | Mar 27, 2024 | Mar 27, 2024 |
| 6-K | Current report (foreign issuer) | Mar 26, 2024 | Mar 26, 2024 |
| 20-F | Annual report (foreign issuer) | Mar 21, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 21, 2024 | Mar 21, 2024 |
| 6-K | Current report (foreign issuer) | Mar 8, 2024 | Mar 7, 2024 |
| 6-K | Current report (foreign issuer) | Feb 29, 2024 | Feb 29, 2024 |
| 6-K | Current report (foreign issuer) | Feb 20, 2024 | Feb 20, 2024 |
| 6-K | Current report (foreign issuer) | Jan 18, 2024 | Jan 18, 2024 |
| 6-K | Current report (foreign issuer) | Jan 8, 2024 | Jan 8, 2024 |
| 6-K | Current report (foreign issuer) | Dec 20, 2023 | Dec 20, 2023 |
| 6-K | Current report (foreign issuer) | Nov 28, 2023 | Nov 28, 2023 |
| 6-K | Current report (foreign issuer) | Nov 17, 2023 | Nov 17, 2023 |
| 6-K | Current report (foreign issuer) | Nov 1, 2023 | Nov 1, 2023 |
| 6-K | Current report (foreign issuer) | Oct 31, 2023 | Oct 31, 2023 |
| S-8 | Employee stock plan registration | Sep 27, 2023 | — |
| 6-K | Current report (foreign issuer) | Sep 21, 2023 | Sep 20, 2023 |
| 6-K | Current report (foreign issuer) | Jul 27, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Jul 21, 2023 | Jul 18, 2023 |
| 424B5 | Prospectus supplement | Jul 20, 2023 | — |
| 424B5 | Prospectus supplement | Jul 17, 2023 | — |
| 6-K | Current report (foreign issuer) | Jul 17, 2023 | Jul 17, 2023 |
| 6-K | Current report (foreign issuer) | Jun 30, 2023 | Jun 29, 2023 |
| 6-K | Current report (foreign issuer) | Jun 21, 2023 | Jun 21, 2023 |
| 6-K | Current report (foreign issuer) | May 5, 2023 | May 5, 2023 |
| 6-K | Current report (foreign issuer) | May 5, 2023 | May 5, 2023 |
| 6-K | Current report (foreign issuer) | Apr 18, 2023 | Apr 18, 2023 |
| 6-K | Current report (foreign issuer) | Apr 17, 2023 | Apr 17, 2023 |
| 20-F | Annual report (foreign issuer) | Mar 16, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 16, 2023 | Mar 15, 2023 |
| 6-K | Current report (foreign issuer) | Mar 2, 2023 | Mar 2, 2023 |
| 6-K | Current report (foreign issuer) | Jan 30, 2023 | Jan 27, 2023 |
| 6-K | Current report (foreign issuer) | Jan 27, 2023 | Jan 27, 2023 |
| 6-K | Current report (foreign issuer) | Jan 9, 2023 | Jan 9, 2023 |
| 6-K | Current report (foreign issuer) | Dec 12, 2022 | Dec 12, 2022 |
| 6-K | Current report (foreign issuer) | Nov 30, 2022 | Nov 30, 2022 |
| 6-K | Current report (foreign issuer) | Nov 22, 2022 | Nov 22, 2022 |
| 6-K | Current report (foreign issuer) | Oct 27, 2022 | Oct 27, 2022 |
| 6-K | Current report (foreign issuer) | Sep 21, 2022 | Sep 21, 2022 |
| 6-K | Current report (foreign issuer) | Sep 8, 2022 | Sep 8, 2022 |
| 6-K | Current report (foreign issuer) | Aug 12, 2022 | Aug 11, 2022 |
| 6-K | Current report (foreign issuer) | Jul 28, 2022 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Jun 27, 2022 | Jun 27, 2022 |
| 6-K | Current report (foreign issuer) | May 19, 2022 | May 19, 2022 |
| 6-K | Current report (foreign issuer) | May 5, 2022 | May 5, 2022 |
| 6-K | Current report (foreign issuer) | Mar 25, 2022 | Mar 23, 2022 |
| 424B5 | Prospectus supplement | Mar 25, 2022 | — |
| 424B5 | Prospectus supplement | Mar 22, 2022 | — |
| 6-K | Current report (foreign issuer) | Mar 22, 2022 | Mar 22, 2022 |
| 20-F | Annual report (foreign issuer) | Mar 21, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 3, 2022 | Mar 2, 2022 |
| 6-K | Current report (foreign issuer) | Jan 20, 2022 | Jan 20, 2022 |
| 6-K | Current report (foreign issuer) | Jan 10, 2022 | Jan 10, 2022 |
| 6-K | Current report (foreign issuer) | Jan 7, 2022 | Jan 1, 2022 |
| 6-K | Current report (foreign issuer) | Dec 22, 2021 | Dec 21, 2021 |
| S-8 | Employee stock plan registration | Jul 29, 2021 | — |
| F-3ASR | Filing | Jul 29, 2021 | — |
| 6-K | Current report (foreign issuer) | Jul 29, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jun 7, 2021 | Jun 7, 2021 |
| 6-K | Current report (foreign issuer) | Jun 1, 2021 | Jun 1, 2021 |
| 6-K | Current report (foreign issuer) | May 14, 2021 | May 14, 2021 |
| 6-K | Current report (foreign issuer) | May 11, 2021 | May 1, 2021 |
| 20-F | Annual report (foreign issuer) | Mar 30, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 30, 2021 | Mar 30, 2021 |
| 6-K | Current report (foreign issuer) | Feb 4, 2021 | Feb 4, 2021 |
| 424B5 | Prospectus supplement | Feb 4, 2021 | — |
| FWP | Free writing prospectus | Feb 2, 2021 | — |
| 424B5 | Prospectus supplement | Feb 1, 2021 | — |
| 6-K | Current report (foreign issuer) | Feb 1, 2021 | Feb 1, 2021 |
| 6-K | Current report (foreign issuer) | Jan 8, 2021 | Jan 8, 2021 |
| 6-K | Current report (foreign issuer) | Jan 6, 2021 | Jan 6, 2021 |
| 6-K | Current report (foreign issuer) | Nov 23, 2020 | Nov 23, 2020 |
| 6-K | Current report (foreign issuer) | Oct 22, 2020 | Oct 22, 2020 |
| 6-K | Current report (foreign issuer) | Oct 6, 2020 | Oct 6, 2020 |
| 6-K | Current report (foreign issuer) | Jul 31, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | Jul 30, 2020 | Jul 30, 2020 |
| 6-K | Current report (foreign issuer) | May 29, 2020 | May 29, 2020 |
| 424B5 | Prospectus supplement | May 29, 2020 | — |
| 424B5 | Prospectus supplement | May 26, 2020 | — |
| 6-K | Current report (foreign issuer) | May 26, 2020 | May 26, 2020 |
| 6-K | Current report (foreign issuer) | May 14, 2020 | May 14, 2020 |
| 6-K | Current report (foreign issuer) | May 12, 2020 | May 1, 2020 |
| 20-F | Annual report (foreign issuer) | Mar 31, 2020 | Dec 31, 2019 |
| 6-K | Current report (foreign issuer) | Mar 31, 2020 | Mar 31, 2020 |
| 6-K | Current report (foreign issuer) | Feb 27, 2020 | Feb 27, 2020 |
| 6-K | Current report (foreign issuer) | Jan 13, 2020 | Jan 13, 2020 |
| 6-K | Current report (foreign issuer) | Jan 9, 2020 | Jan 9, 2020 |
| 6-K | Current report (foreign issuer) | Dec 9, 2019 | Dec 7, 2019 |
| 6-K | Current report (foreign issuer) | Nov 8, 2019 | Nov 8, 2019 |
| 424B5 | Prospectus supplement | Nov 8, 2019 | — |
| 424B5 | Prospectus supplement | Nov 6, 2019 | — |
| 6-K | Current report (foreign issuer) | Nov 6, 2019 | Nov 6, 2019 |
| 6-K | Current report (foreign issuer) | Oct 24, 2019 | Oct 24, 2019 |
| 6-K | Current report (foreign issuer) | Oct 15, 2019 | Oct 11, 2019 |
| 6-K | Current report (foreign issuer) | Aug 1, 2019 | Jun 30, 2019 |
| 6-K | Current report (foreign issuer) | May 28, 2019 | May 28, 2019 |
| 6-K | Current report (foreign issuer) | May 22, 2019 | May 22, 2019 |
| CT ORDER | Filing | May 9, 2019 | — |
| 6-K | Current report (foreign issuer) | May 9, 2019 | May 9, 2019 |
| 6-K | Current report (foreign issuer) | May 8, 2019 | May 8, 2019 |
| 20-F | Annual report (foreign issuer) | Mar 26, 2019 | Dec 31, 2018 |
| 6-K | Current report (foreign issuer) | Mar 26, 2019 | Mar 25, 2019 |
| 6-K | Current report (foreign issuer) | Mar 14, 2019 | Mar 14, 2019 |
| 6-K | Current report (foreign issuer) | Feb 28, 2019 | Feb 1, 2019 |
| 6-K | Current report (foreign issuer) | Feb 4, 2019 | Feb 4, 2019 |
| 6-K | Current report (foreign issuer) | Jan 18, 2019 | Jan 1, 2019 |
| 6-K | Current report (foreign issuer) | Dec 3, 2018 | Dec 3, 2018 |
| 6-K | Current report (foreign issuer) | Dec 3, 2018 | Dec 3, 2018 |
| 6-K | Current report (foreign issuer) | Nov 1, 2018 | Nov 1, 2018 |
| 6-K | Current report (foreign issuer) | Oct 25, 2018 | Oct 1, 2018 |
| 6-K | Current report (foreign issuer) | Oct 9, 2018 | Oct 9, 2018 |
| 6-K | Current report (foreign issuer) | Sep 20, 2018 | Sep 20, 2018 |
| 424B5 | Prospectus supplement | Sep 20, 2018 | — |
| 424B5 | Prospectus supplement | Sep 17, 2018 | — |
| 6-K | Current report (foreign issuer) | Sep 17, 2018 | Sep 17, 2018 |
| 6-K | Current report (foreign issuer) | Sep 6, 2018 | Sep 1, 2018 |
| 6-K | Current report (foreign issuer) | Aug 29, 2018 | Aug 1, 2018 |
| 6-K | Current report (foreign issuer) | Aug 22, 2018 | Aug 22, 2018 |
| 6-K | Current report (foreign issuer) | Aug 2, 2018 | Aug 31, 2018 |
| 6-K | Current report (foreign issuer) | Jul 24, 2018 | Jul 1, 2018 |
| 6-K | Current report (foreign issuer) | Jul 17, 2018 | Jul 17, 2018 |
| 6-K | Current report (foreign issuer) | Jun 28, 2018 | Jun 1, 2018 |
| 6-K | Current report (foreign issuer) | Jun 20, 2018 | Jun 20, 2018 |
| 6-K | Current report (foreign issuer) | Jun 14, 2018 | Jun 14, 2018 |
| 6-K | Current report (foreign issuer) | Jun 7, 2018 | Jun 6, 2018 |
| S-8 | Employee stock plan registration | Jun 1, 2018 | — |
| F-3ASR | Filing | Jun 1, 2018 | — |
| 6-K | Current report (foreign issuer) | May 9, 2018 | May 1, 2018 |
| 6-K | Current report (foreign issuer) | Apr 24, 2018 | Apr 1, 2018 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- ARGX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Netherlands
- Headquarters
- Zwijnaarde
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1697862
- Former names
- argenx N.V (until Apr 21, 2017)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.