Nyxoah SA SEC filings NYXH
Nyxoah SA has 178 filings in SEC EDGAR's recent list, going back to Apr 16, 2021. Its latest annual report, Form 20-F, was filed on Mar 26, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 20, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Oct 20, 2026 | Oct 20, 2026 |
| 6-K | Current report (foreign issuer) | Sep 29, 2026 | Sep 29, 2026 |
| 6-K | Current report (foreign issuer) | Sep 22, 2026 | Sep 22, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 5, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Jul 9, 2026 | Jul 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 1, 2026 | — |
| 6-K | Current report (foreign issuer) | Jun 23, 2026 | Jun 23, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 22, 2026 | — |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | Jun 11, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 11, 2026 | — |
| 6-K | Current report (foreign issuer) | Jun 8, 2026 | Jun 8, 2026 |
| 424B5 | Prospectus supplement | Jun 8, 2026 | — |
| FWP | Free writing prospectus | Jun 5, 2026 | — |
| 6-K | Current report (foreign issuer) | Jun 4, 2026 | Jun 4, 2026 |
| 424B5 | Prospectus supplement | Jun 4, 2026 | — |
| 6-K | Current report (foreign issuer) | May 12, 2026 | May 12, 2026 |
| S-8 | Employee stock plan registration | Mar 26, 2026 | — |
| 20-F | Annual report (foreign issuer) | Mar 26, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 19, 2026 | Mar 19, 2026 |
| 6-K | Current report (foreign issuer) | Jan 30, 2026 | Jan 30, 2026 |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 29, 2025 | — |
| 6-K | Current report (foreign issuer) | Dec 19, 2025 | Dec 19, 2025 |
| 6-K | Current report (foreign issuer) | Dec 5, 2025 | Dec 5, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 24, 2025 | — |
| 424B5 | Prospectus supplement | Nov 17, 2025 | — |
| 6-K/A | Form 6-k/a | Nov 17, 2025 | Nov 14, 2025 |
| 6-K | Current report (foreign issuer) | Nov 14, 2025 | Nov 14, 2025 |
| FWP | Free writing prospectus | Nov 14, 2025 | — |
| 6-K | Current report (foreign issuer) | Nov 14, 2025 | Nov 13, 2025 |
| 6-K | Current report (foreign issuer) | Nov 13, 2025 | Nov 13, 2025 |
| 6-K | Current report (foreign issuer) | Sep 24, 2025 | Sep 23, 2025 |
| 6-K/A | Form 6-k/a | Sep 24, 2025 | Sep 24, 2025 |
| 6-K | Current report (foreign issuer) | Sep 23, 2025 | Sep 18, 2025 |
| 6-K | Current report (foreign issuer) | Sep 15, 2025 | Sep 15, 2025 |
| 6-K | Current report (foreign issuer) | Sep 8, 2025 | Sep 8, 2025 |
| 6-K | Current report (foreign issuer) | Aug 18, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 11, 2025 | Aug 11, 2025 |
| 6-K | Current report (foreign issuer) | Jul 29, 2025 | Jul 29, 2025 |
| 6-K | Current report (foreign issuer) | Jun 27, 2025 | Jun 27, 2025 |
| 6-K | Current report (foreign issuer) | Jun 16, 2025 | Jun 13, 2025 |
| 6-K | Current report (foreign issuer) | May 30, 2025 | May 30, 2025 |
| 6-K | Current report (foreign issuer) | May 27, 2025 | May 27, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 6-K | Current report (foreign issuer) | May 14, 2025 | May 14, 2025 |
| 6-K | Current report (foreign issuer) | May 9, 2025 | May 9, 2025 |
| 6-K | Current report (foreign issuer) | May 9, 2025 | May 9, 2025 |
| 6-K | Current report (foreign issuer) | Apr 16, 2025 | Apr 16, 2025 |
| 6-K | Current report (foreign issuer) | Apr 8, 2025 | Apr 8, 2025 |
| EFFECT | Filing | Apr 1, 2025 | — |
| CORRESP | Letter to the SEC | Mar 28, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 26, 2025 | — |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 24, 2025 |
| F-3 | Shelf registration (foreign issuer) | Mar 20, 2025 | — |
| S-8 | Employee stock plan registration | Mar 20, 2025 | — |
| 20-F | Annual report (foreign issuer) | Mar 20, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 13, 2025 | Mar 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 6-K | Current report (foreign issuer) | Jan 2, 2025 | Jan 2, 2025 |
| 6-K | Current report (foreign issuer) | Dec 13, 2024 | Dec 13, 2024 |
| 6-K | Current report (foreign issuer) | Dec 2, 2024 | Dec 2, 2024 |
| 6-K | Current report (foreign issuer) | Nov 20, 2024 | Nov 19, 2024 |
| 6-K | Current report (foreign issuer) | Nov 18, 2024 | Nov 18, 2024 |
| S-8 | Employee stock plan registration | Nov 8, 2024 | — |
| 6-K | Current report (foreign issuer) | Nov 6, 2024 | Nov 6, 2024 |
| 6-K | Current report (foreign issuer) | Nov 5, 2024 | Nov 5, 2024 |
| 6-K | Current report (foreign issuer) | Oct 28, 2024 | Oct 28, 2024 |
| 6-K | Current report (foreign issuer) | Oct 15, 2024 | Oct 15, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 10, 2024 | — |
| 6-K | Current report (foreign issuer) | Oct 9, 2024 | Oct 9, 2024 |
| 6-K | Current report (foreign issuer) | Oct 7, 2024 | Oct 7, 2024 |
| 6-K | Current report (foreign issuer) | Sep 30, 2024 | Sep 27, 2024 |
| 6-K | Current report (foreign issuer) | Aug 6, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Jul 17, 2024 | Jul 17, 2024 |
| 6-K | Current report (foreign issuer) | Jul 5, 2024 | Jul 3, 2024 |
| 6-K | Current report (foreign issuer) | Jul 1, 2024 | Jul 1, 2024 |
| 6-K | Current report (foreign issuer) | Jul 1, 2024 | Jun 28, 2024 |
| 6-K | Current report (foreign issuer) | Jun 3, 2024 | Jun 3, 2024 |
| 6-K | Current report (foreign issuer) | May 31, 2024 | May 31, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 30, 2024 | — |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 29, 2024 |
| 6-K | Current report (foreign issuer) | May 24, 2024 | May 24, 2024 |
| 424B5 | Prospectus supplement | May 24, 2024 | — |
| 424B5 | Prospectus supplement | May 22, 2024 | — |
| 6-K | Current report (foreign issuer) | May 22, 2024 | May 22, 2024 |
| 6-K | Current report (foreign issuer) | May 14, 2024 | May 14, 2024 |
| 6-K | Current report (foreign issuer) | Apr 15, 2024 | Apr 15, 2024 |
| 20-F | Annual report (foreign issuer) | Mar 20, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 19, 2024 | Mar 19, 2024 |
| 6-K | Current report (foreign issuer) | Mar 5, 2024 | Mar 5, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 6-K | Current report (foreign issuer) | Jan 17, 2024 | Jan 17, 2024 |
| 6-K | Current report (foreign issuer) | Jan 9, 2024 | Jan 9, 2024 |
| 6-K | Current report (foreign issuer) | Dec 11, 2023 | Dec 11, 2023 |
| 6-K | Current report (foreign issuer) | Nov 8, 2023 | Nov 8, 2023 |
| 6-K | Current report (foreign issuer) | Sep 29, 2023 | Sep 29, 2023 |
| 6-K | Current report (foreign issuer) | Aug 9, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Jul 28, 2023 | Jul 28, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 6, 2023 | — |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 6-K | Current report (foreign issuer) | May 15, 2023 | May 15, 2023 |
| 6-K | Current report (foreign issuer) | May 11, 2023 | May 11, 2023 |
| 6-K | Current report (foreign issuer) | Apr 20, 2023 | Apr 20, 2023 |
| 6-K | Current report (foreign issuer) | Apr 13, 2023 | Apr 13, 2023 |
| SC 13G | Ownership over 5% (passive) | Apr 6, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 29, 2023 | — |
| 6-K | Current report (foreign issuer) | Mar 27, 2023 | Mar 27, 2023 |
| 6-K | Current report (foreign issuer) | Mar 23, 2023 | Mar 23, 2023 |
| 20-F | Annual report (foreign issuer) | Mar 22, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 22, 2023 | Mar 22, 2023 |
| 6-K | Current report (foreign issuer) | Mar 15, 2023 | Mar 15, 2023 |
| 6-K | Current report (foreign issuer) | Mar 6, 2023 | Mar 6, 2023 |
| S-8 | Employee stock plan registration | Jan 25, 2023 | — |
| 6-K | Current report (foreign issuer) | Jan 9, 2023 | Jan 9, 2023 |
| EFFECT | Filing | Jan 6, 2023 | — |
| CORRESP | Letter to the SEC | Jan 4, 2023 | — |
| 6-K | Current report (foreign issuer) | Jan 3, 2023 | Jan 3, 2023 |
| UPLOAD | Letter from the SEC | Dec 29, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 22, 2022 | Dec 21, 2022 |
| F-3 | Shelf registration (foreign issuer) | Dec 22, 2022 | — |
| 6-K | Current report (foreign issuer) | Nov 8, 2022 | Sep 30, 2022 |
| 6-K | Current report (foreign issuer) | Oct 24, 2022 | Oct 24, 2022 |
| 6-K | Current report (foreign issuer) | Oct 19, 2022 | Oct 19, 2022 |
| 6-K | Current report (foreign issuer) | Oct 3, 2022 | Oct 3, 2022 |
| 6-K | Current report (foreign issuer) | Aug 8, 2022 | Aug 5, 2022 |
| 6-K | Current report (foreign issuer) | Aug 2, 2022 | Aug 2, 2022 |
| 6-K | Current report (foreign issuer) | Jul 20, 2022 | Jul 19, 2022 |
| 6-K | Current report (foreign issuer) | Jul 19, 2022 | Jul 18, 2022 |
| 6-K | Current report (foreign issuer) | Jul 11, 2022 | Jul 1, 2022 |
| 6-K | Current report (foreign issuer) | Jul 1, 2022 | Jul 1, 2022 |
| 6-K | Current report (foreign issuer) | Jun 2, 2022 | Jun 2, 2022 |
| 6-K | Current report (foreign issuer) | May 10, 2022 | May 31, 2022 |
| 6-K | Current report (foreign issuer) | May 9, 2022 | May 31, 2022 |
| 6-K | Current report (foreign issuer) | May 6, 2022 | May 31, 2022 |
| 20-F | Annual report (foreign issuer) | Mar 24, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 24, 2022 | Mar 24, 2022 |
| 6-K | Current report (foreign issuer) | Mar 17, 2022 | Mar 16, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| 6-K | Current report (foreign issuer) | Feb 14, 2022 | Feb 4, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| 6-K | Current report (foreign issuer) | Jan 11, 2022 | Jan 1, 2022 |
| 6-K | Current report (foreign issuer) | Nov 29, 2021 | Nov 1, 2021 |
| S-8 | Employee stock plan registration | Nov 19, 2021 | — |
| 6-K | Current report (foreign issuer) | Nov 12, 2021 | Nov 1, 2021 |
| 6-K | Current report (foreign issuer) | Nov 1, 2021 | Nov 1, 2021 |
| 6-K | Current report (foreign issuer) | Oct 13, 2021 | Oct 13, 2021 |
| 6-K | Current report (foreign issuer) | Sep 15, 2021 | Sep 15, 2021 |
| 6-K | Current report (foreign issuer) | Sep 2, 2021 | Sep 2, 2021 |
| 6-K | Current report (foreign issuer) | Aug 31, 2021 | Aug 31, 2021 |
| 6-K | Current report (foreign issuer) | Aug 27, 2021 | Aug 27, 2021 |
| 6-K | Current report (foreign issuer) | Jul 20, 2021 | Jul 20, 2021 |
| SC 13D | Ownership over 5% (active) | Jul 16, 2021 | — |
| 6-K | Current report (foreign issuer) | Jul 9, 2021 | Jul 9, 2021 |
| 424B4 | Prospectus | Jul 6, 2021 | — |
| SEC STAFF LETTER | Filing | Jun 30, 2021 | — |
| EFFECT | Filing | Jun 30, 2021 | — |
| CERT | Filing | Jun 29, 2021 | — |
| CORRESP | Letter to the SEC | Jun 28, 2021 | — |
| CORRESP | Letter to the SEC | Jun 28, 2021 | — |
| CORRESP | Letter to the SEC | Jun 28, 2021 | — |
| F-1/A | Filing | Jun 28, 2021 | — |
| 8-A12B | Form 8-a12b | Jun 28, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 25, 2021 | — |
| CORRESP | Letter to the SEC | Jun 25, 2021 | — |
| F-1/A | Filing | Jun 25, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 22, 2021 | — |
| F-1 | Registration statement (foreign issuer) | Jun 10, 2021 | — |
| CORRESP | Letter to the SEC | Jun 10, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2021 | — |
| SEC STAFF LETTER | Filing | May 25, 2021 | — |
| DRSLTR | Filing | May 24, 2021 | — |
| DRS/A | Filing | May 24, 2021 | — |
| UPLOAD | Letter from the SEC | May 14, 2021 | — |
| DRS | Filing | Apr 16, 2021 | — |
Showing 178 filings. 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
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- NYXH (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Belgium
- Headquarters
- Mont-Saint-Guibert
- SEC filer status
- Accelerated filer, Emerging growth company
- SEC CIK
- 1857190
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.