51Talk Online Education Group SEC filings COE
51Talk Online Education Group has 233 filings in SEC EDGAR's recent list, going back to Dec 21, 2015. Its latest annual report, Form 20-F, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Sep 15, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 26, 2026 | Jul 1, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 16, 2026 | — |
| 4 | Insider transaction | Oct 8, 2026 | Apr 10, 2026 |
| 4 | Insider transaction | Oct 8, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Oct 8, 2026 | Oct 1, 2026 |
| 6-K | Current report (foreign issuer) | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Apr 10, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 24, 2026 |
| 4 | Insider transaction | Jul 27, 2026 | Jul 21, 2026 |
| 4 | Insider transaction | Jul 23, 2026 | Jul 14, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jun 29, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 8, 2026 |
| 6-K | Current report (foreign issuer) | Jun 12, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 22, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 6, 2026 |
| 4 | Insider transaction | May 8, 2026 | Apr 24, 2026 |
| 4 | Insider transaction | Apr 27, 2026 | Apr 20, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 23, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Apr 22, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Mar 26, 2026 |
| 6-K | Current report (foreign issuer) | Mar 27, 2026 | Mar 27, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 17, 2026 | Mar 17, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 12, 2026 | — |
| 6-K | Current report (foreign issuer) | Dec 8, 2025 | Dec 8, 2025 |
| 6-K | Current report (foreign issuer) | Dec 8, 2025 | Dec 8, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 5, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 10, 2025 | — |
| 6-K | Current report (foreign issuer) | Sep 3, 2025 | Sep 3, 2025 |
| 6-K | Current report (foreign issuer) | Sep 3, 2025 | Sep 3, 2025 |
| 6-K | Current report (foreign issuer) | Jun 9, 2025 | Jun 9, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 7, 2025 | — |
| 20-F | Annual report (foreign issuer) | Apr 25, 2025 | Dec 31, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 26, 2025 | — |
| 6-K | Current report (foreign issuer) | Mar 21, 2025 | Mar 21, 2025 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 17, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 13, 2024 | Dec 13, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 10, 2024 | — |
| 6-K | Current report (foreign issuer) | Aug 23, 2024 | Aug 23, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 11, 2024 | — |
| 6-K | Current report (foreign issuer) | Jun 12, 2024 | Jun 12, 2024 |
| 6-K | Current report (foreign issuer) | May 31, 2024 | May 31, 2024 |
| 20-F | Annual report (foreign issuer) | Apr 29, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 22, 2024 | Mar 22, 2024 |
| UPLOAD | Letter from the SEC | Mar 20, 2024 | — |
| CORRESP | Letter to the SEC | Mar 12, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 29, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 22, 2024 | — |
| CORRESP | Letter to the SEC | Feb 21, 2024 | — |
| UPLOAD | Letter from the SEC | Feb 14, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 18, 2023 | Dec 18, 2023 |
| CORRESP | Letter to the SEC | Dec 5, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 29, 2023 | — |
| CORRESP | Letter to the SEC | Nov 13, 2023 | — |
| UPLOAD | Letter from the SEC | Nov 6, 2023 | — |
| CORRESP | Letter to the SEC | Sep 5, 2023 | — |
| S-8 | Employee stock plan registration | Aug 28, 2023 | — |
| 6-K | Current report (foreign issuer) | Aug 25, 2023 | Aug 25, 2023 |
| CORRESP | Letter to the SEC | Aug 17, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 7, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 10, 2023 | — |
| 25 | Form 25 | Jun 1, 2023 | — |
| CERT | Nyse american certification | May 24, 2023 | — |
| 8-A12B | Filing | May 24, 2023 | — |
| 6-K | Current report (foreign issuer) | May 23, 2023 | May 23, 2023 |
| 6-K | Current report (foreign issuer) | Apr 26, 2023 | Apr 26, 2023 |
| 6-K | Current report (foreign issuer) | Apr 6, 2023 | Apr 6, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 6, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 29, 2023 | Mar 29, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 26, 2023 | — |
| F-6 POS | Filing | Dec 15, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 5, 2022 | Dec 5, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 5, 2022 | — |
| 424B3 | Prospectus | Sep 30, 2022 | — |
| 6-K | Current report (foreign issuer) | Sep 30, 2022 | Sep 30, 2022 |
| 6-K | Current report (foreign issuer) | Aug 30, 2022 | Aug 30, 2022 |
| 6-K | Current report (foreign issuer) | Aug 15, 2022 | Aug 15, 2022 |
| 6-K | Current report (foreign issuer) | Aug 8, 2022 | Aug 8, 2022 |
| SC 13D | Ownership over 5% (active) | Jul 25, 2022 | — |
| 6-K | Current report (foreign issuer) | Jun 24, 2022 | Jun 24, 2022 |
| 6-K | Current report (foreign issuer) | May 10, 2022 | May 10, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | May 9, 2022 | — |
| 20-F | Annual report (foreign issuer) | May 2, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Apr 11, 2022 | Apr 11, 2022 |
| 6-K | Current report (foreign issuer) | Mar 24, 2022 | Mar 24, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 28, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 27, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 21, 2021 | Dec 21, 2021 |
| 6-K | Current report (foreign issuer) | Sep 28, 2021 | Sep 28, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2021 | — |
| 6-K | Current report (foreign issuer) | Jul 26, 2021 | Jul 26, 2021 |
| 6-K | Current report (foreign issuer) | Jul 20, 2021 | Jul 20, 2021 |
| 6-K | Current report (foreign issuer) | May 18, 2021 | May 18, 2021 |
| 6-K | Current report (foreign issuer) | May 11, 2021 | May 11, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 29, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 27, 2021 | — |
| 20-F | Annual report (foreign issuer) | Apr 7, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 8, 2021 | Mar 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2021 | — |
| 6-K | Current report (foreign issuer) | Nov 24, 2020 | Nov 30, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 13, 2020 | — |
| 6-K | Current report (foreign issuer) | Sep 9, 2020 | Sep 30, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 19, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 10, 2020 | — |
| 424B5 | Prospectus supplement | Jun 4, 2020 | — |
| 6-K | Current report (foreign issuer) | Jun 4, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | Jun 3, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | Jun 3, 2020 | Jun 30, 2020 |
| 424B5 | Prospectus supplement | Jun 3, 2020 | — |
| 6-K | Current report (foreign issuer) | Jun 2, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | May 27, 2020 | May 31, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | May 11, 2020 | — |
| EFFECT | Filing | May 8, 2020 | — |
| CORRESP | Letter to the SEC | May 6, 2020 | — |
| CORRESP | Letter to the SEC | Apr 21, 2020 | — |
| F-3/A | Filing | Apr 21, 2020 | — |
| UPLOAD | Letter from the SEC | Apr 15, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 13, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 8, 2020 | — |
| CORRESP | Letter to the SEC | Apr 6, 2020 | — |
| F-3 | Shelf registration (foreign issuer) | Apr 6, 2020 | — |
| 20-F | Annual report (foreign issuer) | Apr 6, 2020 | Dec 31, 2019 |
| 6-K | Current report (foreign issuer) | Mar 10, 2020 | Mar 31, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 5, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 14, 2020 | — |
| 6-K | Current report (foreign issuer) | Dec 10, 2019 | Dec 31, 2019 |
| 6-K | Current report (foreign issuer) | Oct 23, 2019 | Oct 31, 2019 |
| 6-K | Current report (foreign issuer) | Sep 12, 2019 | Sep 30, 2019 |
| 6-K | Current report (foreign issuer) | Sep 10, 2019 | Sep 30, 2019 |
| SC 13G | Ownership over 5% (passive) | Jul 29, 2019 | — |
| 6-K | Current report (foreign issuer) | Jun 17, 2019 | Jun 30, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 25, 2019 | — |
| 20-F | Annual report (foreign issuer) | Apr 23, 2019 | Dec 31, 2018 |
| 6-K | Current report (foreign issuer) | Mar 15, 2019 | Mar 31, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 11, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 1, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2019 | — |
| S-8 | Employee stock plan registration | Dec 28, 2018 | — |
| 6-K | Current report (foreign issuer) | Dec 18, 2018 | Dec 31, 2018 |
| 6-K | Current report (foreign issuer) | Dec 17, 2018 | Dec 31, 2018 |
| 6-K | Current report (foreign issuer) | Sep 13, 2018 | Sep 30, 2018 |
| 6-K | Current report (foreign issuer) | Jun 12, 2018 | Jun 30, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 26, 2018 | — |
| 6-K | Current report (foreign issuer) | Apr 25, 2018 | Apr 30, 2018 |
| 20-F | Annual report (foreign issuer) | Apr 24, 2018 | Dec 31, 2017 |
| 6-K | Current report (foreign issuer) | Mar 27, 2018 | Mar 31, 2018 |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2018 | — |
| 6-K | Current report (foreign issuer) | Dec 5, 2017 | Dec 31, 2017 |
| 6-K | Current report (foreign issuer) | Nov 14, 2017 | Nov 30, 2017 |
| 6-K | Current report (foreign issuer) | Aug 28, 2017 | Aug 31, 2017 |
| 6-K | Current report (foreign issuer) | May 23, 2017 | May 31, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | May 18, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 10, 2017 | — |
| 20-F | Annual report (foreign issuer) | Apr 25, 2017 | Dec 31, 2016 |
| 6-K | Current report (foreign issuer) | Mar 23, 2017 | Mar 31, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 10, 2017 | — |
| SC 13D | Ownership over 5% (active) | Feb 14, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2017 | — |
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
- Services-Educational Services (SIC 8200)
- Listed as
- COE (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Singapore
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1659494
- Former names
- China Online Education Group (until Oct 5, 2022)
Other Services-Educational Services companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.