OIO Group SEC filings OIO
OIO Group has 152 filings in SEC EDGAR's recent list, going back to Dec 30, 2022. Its latest annual report, Form 20-F, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Jul 7, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Jul 7, 2026 | Jul 7, 2026 |
| 3 | Initial insider ownership | Jun 26, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | Jun 24, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | Jun 24, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | Jun 24, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | Jun 24, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | Jun 24, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | Jun 24, 2026 | Apr 30, 2026 |
| 6-K | Current report (foreign issuer) | May 1, 2026 | May 1, 2026 |
| 6-K | Current report (foreign issuer) | May 1, 2026 | Apr 30, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Apr 27, 2026 | Apr 27, 2026 |
| 6-K | Current report (foreign issuer) | Apr 22, 2026 | Apr 22, 2026 |
| 6-K | Current report (foreign issuer) | Apr 20, 2026 | Apr 20, 2026 |
| 6-K | Current report (foreign issuer) | Apr 13, 2026 | Apr 10, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 9, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 10, 2026 | Mar 10, 2026 |
| 6-K | Current report (foreign issuer) | Feb 13, 2026 | Feb 13, 2026 |
| 6-K | Current report (foreign issuer) | Feb 10, 2026 | Feb 10, 2026 |
| 6-K | Current report (foreign issuer) | Jan 16, 2026 | Jan 16, 2026 |
| 6-K | Current report (foreign issuer) | Jan 8, 2026 | Jan 7, 2026 |
| 6-K | Current report (foreign issuer) | Nov 26, 2025 | Nov 26, 2025 |
| 6-K | Current report (foreign issuer) | Nov 25, 2025 | Nov 25, 2025 |
| 6-K | Current report (foreign issuer) | Nov 6, 2025 | Nov 6, 2025 |
| 6-K | Current report (foreign issuer) | Oct 31, 2025 | Oct 31, 2025 |
| 424B3 | Prospectus | Oct 2, 2025 | — |
| 424B3 | Prospectus | Oct 2, 2025 | — |
| 424B3 | Prospectus | Oct 2, 2025 | — |
| 6-K | Current report (foreign issuer) | Oct 2, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Sep 11, 2025 | Sep 10, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 25, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 12, 2025 | Jun 12, 2025 |
| 6-K | Current report (foreign issuer) | May 23, 2025 | May 22, 2025 |
| 424B3 | Prospectus | May 15, 2025 | — |
| 424B3 | Prospectus | May 15, 2025 | — |
| 6-K | Current report (foreign issuer) | Apr 30, 2025 | Apr 30, 2025 |
| 20-F | Annual report (foreign issuer) | Apr 29, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 4, 2025 | Mar 4, 2025 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 27, 2025 |
| S-8 | Employee stock plan registration | Feb 10, 2025 | — |
| 6-K | Current report (foreign issuer) | Feb 7, 2025 | Jun 30, 2024 |
| D | Filing | Jan 29, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 24, 2025 | — |
| 6-K/A | Filing | Jan 23, 2025 | Jan 23, 2025 |
| 6-K | Current report (foreign issuer) | Jan 22, 2025 | Jan 22, 2025 |
| 424B3 | Prospectus | Jan 17, 2025 | — |
| 6-K | Current report (foreign issuer) | Jan 15, 2025 | Jan 15, 2025 |
| EFFECT | Filing | Dec 20, 2024 | — |
| 424B3 | Prospectus | Dec 20, 2024 | — |
| CORRESP | Letter to the SEC | Dec 18, 2024 | — |
| F-1/A | Filing | Dec 17, 2024 | — |
| UPLOAD | Letter from the SEC | Dec 10, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Nov 29, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 18, 2024 | — |
| 424B3 | Prospectus | Oct 8, 2024 | — |
| 424B3 | Prospectus | Oct 7, 2024 | — |
| 424B3 | Prospectus | Oct 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 4, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 3, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 2, 2024 | — |
| 6-K | Current report (foreign issuer) | Oct 1, 2024 | Oct 1, 2024 |
| 6-K | Current report (foreign issuer) | Sep 23, 2024 | Sep 23, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 5, 2024 | — |
| D/A | Filing | Aug 29, 2024 | — |
| D | Filing | Aug 29, 2024 | — |
| 6-K | Current report (foreign issuer) | Aug 23, 2024 | Aug 23, 2024 |
| 6-K | Current report (foreign issuer) | Jun 26, 2024 | Jun 26, 2024 |
| EFFECT | Filing | Jun 5, 2024 | — |
| 424B3 | Prospectus | Jun 5, 2024 | — |
| CORRESP | Letter to the SEC | Jun 3, 2024 | — |
| F-1/A | Filing | May 28, 2024 | — |
| 20-F | Annual report (foreign issuer) | May 16, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | May 13, 2024 | May 13, 2024 |
| 6-K | Current report (foreign issuer) | May 2, 2024 | May 2, 2024 |
| NT 20-F | Filing | Apr 30, 2024 | Dec 31, 2023 |
| CORRESP | Letter to the SEC | Apr 26, 2024 | — |
| CORRESP | Letter to the SEC | Apr 26, 2024 | — |
| SC 13D | Ownership over 5% (active) | Apr 24, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 24, 2024 | Apr 24, 2024 |
| F-1/A | Filing | Apr 24, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 22, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Apr 12, 2024 | — |
| D | Filing | Apr 5, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 4, 2024 | Apr 3, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 3, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 1, 2024 | Mar 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 25, 2024 | Mar 25, 2024 |
| 6-K | Current report (foreign issuer) | Mar 21, 2024 | Mar 21, 2024 |
| EFFECT | Filing | Mar 4, 2024 | — |
| 424B3 | Prospectus | Mar 4, 2024 | — |
| CORRESP | Letter to the SEC | Feb 29, 2024 | — |
| CORRESP | Letter to the SEC | Feb 27, 2024 | — |
| CORRESP | Letter to the SEC | Feb 20, 2024 | — |
| F-1/A | Filing | Feb 20, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| UPLOAD | Letter from the SEC | Feb 14, 2024 | — |
| CORRESP | Letter to the SEC | Feb 2, 2024 | — |
| F-1/A | Filing | Feb 2, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 1, 2024 | — |
| UPLOAD | Letter from the SEC | Jan 26, 2024 | — |
| F-1/A | Filing | Jan 12, 2024 | — |
| 6-K | Current report (foreign issuer) | Jan 2, 2024 | Dec 31, 2023 |
| F-1/A | Filing | Dec 5, 2023 | — |
| CORRESP | Letter to the SEC | Dec 5, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 27, 2023 | Nov 27, 2023 |
| 6-K | Current report (foreign issuer) | Nov 27, 2023 | Nov 27, 2023 |
| 6-K | Current report (foreign issuer) | Nov 22, 2023 | Nov 22, 2023 |
| UPLOAD | Letter from the SEC | Nov 22, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 21, 2023 | — |
| CORRESP | Letter to the SEC | Nov 7, 2023 | — |
| F-1/A | Filing | Nov 7, 2023 | — |
| 6-K | Current report (foreign issuer) | Oct 27, 2023 | Oct 27, 2023 |
| UPLOAD | Letter from the SEC | Oct 17, 2023 | — |
| 6-K | Current report (foreign issuer) | Oct 4, 2023 | Oct 4, 2023 |
| 6-K | Current report (foreign issuer) | Oct 3, 2023 | Jun 30, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 27, 2023 | — |
| SC 13D | Ownership over 5% (active) | Sep 25, 2023 | — |
| F-1 | Registration statement (foreign issuer) | Sep 19, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 24, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Aug 11, 2023 | — |
| SC 13D | Ownership over 5% (active) | Aug 11, 2023 | — |
| SC 13D | Ownership over 5% (active) | Aug 11, 2023 | — |
| 20FR12B | Filing | Aug 8, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Aug 7, 2023 | — |
| CERT | Filing | Aug 3, 2023 | — |
| 8-K12B | Filing | Aug 3, 2023 | Aug 3, 2023 |
| 424B3 | Prospectus | Jul 5, 2023 | — |
| EFFECT | Filing | Jul 3, 2023 | — |
| CORRESP | Letter to the SEC | Jun 30, 2023 | — |
| CORRESP | Letter to the SEC | Jun 20, 2023 | — |
| F-4/A | Filing | Jun 20, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 15, 2023 | — |
| CORRESP | Letter to the SEC | Jun 5, 2023 | — |
| F-4/A | Filing | Jun 5, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 1, 2023 | — |
| F-4/A | Filing | May 17, 2023 | — |
| F-4/A | Filing | Apr 24, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| UPLOAD | Letter from the SEC | Apr 17, 2023 | — |
| F-4/A | Filing | Mar 27, 2023 | — |
| CORRESP | Letter to the SEC | Mar 24, 2023 | — |
| UPLOAD | Letter from the SEC | Mar 17, 2023 | — |
| CORRESP | Letter to the SEC | Feb 28, 2023 | — |
| F-4/A | Filing | Feb 28, 2023 | — |
| UPLOAD | Letter from the SEC | Jan 26, 2023 | — |
| F-4 | Filing | Dec 30, 2022 | — |
Showing 152 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Refuse Systems (SIC 4953)
- Listed as
- OIO (Nasdaq), OIOWW (Nasdaq)
- Incorporated in
- Cayman Islands
- Headquarters
- Singapore
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 1957538
- Former names
- ESGL Holdings Ltd (until Mar 10, 2026)
Other Refuse Systems companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.