Sunlands Technology Group SEC filings STG
Sunlands Technology Group has 144 filings in SEC EDGAR's recent list, going back to Dec 13, 2017. Its latest annual report, Form 20-F, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Aug 20, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Aug 20, 2026 | Aug 20, 2026 |
| 6-K | Current report (foreign issuer) | May 29, 2026 | May 29, 2026 |
| 6-K | Current report (foreign issuer) | May 26, 2026 | May 26, 2026 |
| 6-K | Current report (foreign issuer) | Apr 24, 2026 | Apr 24, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 24, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 19, 2026 | Mar 19, 2026 |
| 6-K | Current report (foreign issuer) | Nov 20, 2025 | Nov 20, 2025 |
| 6-K | Current report (foreign issuer) | Nov 14, 2025 | Nov 14, 2025 |
| 6-K | Current report (foreign issuer) | Aug 14, 2025 | Aug 14, 2025 |
| 6-K | Current report (foreign issuer) | May 22, 2025 | May 22, 2025 |
| 6-K | Current report (foreign issuer) | Apr 25, 2025 | Apr 25, 2025 |
| 20-F | Annual report (foreign issuer) | Apr 25, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 21, 2025 | Mar 21, 2025 |
| 6-K | Current report (foreign issuer) | Nov 22, 2024 | Nov 22, 2024 |
| 6-K | Current report (foreign issuer) | Oct 17, 2024 | Oct 17, 2024 |
| 6-K | Current report (foreign issuer) | Aug 16, 2024 | Aug 16, 2024 |
| 6-K | Current report (foreign issuer) | May 31, 2024 | May 31, 2024 |
| 6-K | Current report (foreign issuer) | May 24, 2024 | May 24, 2024 |
| 6-K | Current report (foreign issuer) | Apr 25, 2024 | Apr 25, 2024 |
| 20-F | Annual report (foreign issuer) | Apr 25, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 22, 2024 | Mar 22, 2024 |
| 6-K | Current report (foreign issuer) | Nov 22, 2023 | Nov 22, 2023 |
| 6-K | Current report (foreign issuer) | Oct 20, 2023 | Oct 20, 2023 |
| 6-K | Current report (foreign issuer) | Aug 18, 2023 | Aug 18, 2023 |
| UPLOAD | Letter from the SEC | Jul 14, 2023 | — |
| CORRESP | Letter to the SEC | Jun 27, 2023 | — |
| CORRESP | Letter to the SEC | Jun 20, 2023 | — |
| 6-K | Current report (foreign issuer) | May 25, 2023 | May 25, 2023 |
| UPLOAD | Letter from the SEC | May 23, 2023 | — |
| 6-K | Current report (foreign issuer) | May 16, 2023 | May 16, 2023 |
| 6-K | Current report (foreign issuer) | Apr 25, 2023 | Apr 25, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 25, 2023 | Dec 31, 2022 |
| CORRESP | Letter to the SEC | Apr 4, 2023 | — |
| 6-K | Current report (foreign issuer) | Mar 24, 2023 | Mar 24, 2023 |
| CORRESP | Letter to the SEC | Mar 22, 2023 | — |
| UPLOAD | Letter from the SEC | Mar 10, 2023 | — |
| CORRESP | Letter to the SEC | Jan 12, 2023 | — |
| CORRESP | Letter to the SEC | Jan 9, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 23, 2022 | — |
| 6-K | Current report (foreign issuer) | Nov 23, 2022 | Nov 23, 2022 |
| 6-K | Current report (foreign issuer) | Oct 17, 2022 | Oct 17, 2022 |
| 6-K | Current report (foreign issuer) | Aug 18, 2022 | Jun 18, 2022 |
| 6-K | Current report (foreign issuer) | Jun 14, 2022 | Jun 14, 2022 |
| 6-K | Current report (foreign issuer) | May 31, 2022 | May 31, 2022 |
| 6-K | Current report (foreign issuer) | May 5, 2022 | May 5, 2022 |
| 6-K | Current report (foreign issuer) | Apr 27, 2022 | Apr 27, 2022 |
| 20-F | Annual report (foreign issuer) | Apr 27, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Apr 8, 2022 | Apr 8, 2022 |
| 6-K | Current report (foreign issuer) | Dec 6, 2021 | Dec 6, 2021 |
| 6-K | Current report (foreign issuer) | Nov 23, 2021 | Nov 23, 2021 |
| 6-K | Current report (foreign issuer) | Oct 18, 2021 | Oct 18, 2021 |
| 6-K | Current report (foreign issuer) | Oct 12, 2021 | Oct 12, 2021 |
| 6-K | Current report (foreign issuer) | Oct 4, 2021 | Oct 4, 2021 |
| 6-K | Current report (foreign issuer) | Aug 20, 2021 | Aug 20, 2021 |
| 6-K | Current report (foreign issuer) | Aug 18, 2021 | Aug 18, 2021 |
| 6-K | Current report (foreign issuer) | May 25, 2021 | May 25, 2021 |
| 6-K | Current report (foreign issuer) | Apr 16, 2021 | Apr 16, 2021 |
| 20-F | Annual report (foreign issuer) | Apr 16, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 25, 2021 | Mar 25, 2021 |
| 6-K | Current report (foreign issuer) | Mar 18, 2021 | Mar 18, 2021 |
| 6-K | Current report (foreign issuer) | Jan 7, 2021 | Jan 7, 2021 |
| 6-K | Current report (foreign issuer) | Nov 18, 2020 | Nov 18, 2020 |
| 6-K | Current report (foreign issuer) | Oct 26, 2020 | Oct 26, 2020 |
| UPLOAD | Letter from the SEC | Aug 18, 2020 | — |
| 6-K | Current report (foreign issuer) | Aug 14, 2020 | Aug 14, 2020 |
| CORRESP | Letter to the SEC | Aug 13, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 5, 2020 | — |
| 6-K | Current report (foreign issuer) | May 27, 2020 | May 27, 2020 |
| 6-K | Current report (foreign issuer) | Apr 24, 2020 | Apr 24, 2020 |
| 20-F | Annual report (foreign issuer) | Apr 24, 2020 | Dec 31, 2019 |
| 6-K | Current report (foreign issuer) | Apr 2, 2020 | Apr 2, 2020 |
| 6-K | Current report (foreign issuer) | Mar 27, 2020 | Mar 27, 2020 |
| 6-K | Current report (foreign issuer) | Mar 16, 2020 | Mar 16, 2020 |
| 6-K | Current report (foreign issuer) | Nov 27, 2019 | Nov 27, 2019 |
| 6-K | Current report (foreign issuer) | Nov 22, 2019 | Nov 22, 2019 |
| 6-K | Current report (foreign issuer) | Nov 22, 2019 | Nov 22, 2019 |
| 6-K | Current report (foreign issuer) | Aug 23, 2019 | Aug 23, 2019 |
| 6-K | Current report (foreign issuer) | Jul 11, 2019 | Jul 11, 2019 |
| 6-K | Current report (foreign issuer) | Jun 18, 2019 | Jun 18, 2019 |
| 6-K | Current report (foreign issuer) | May 28, 2019 | May 28, 2019 |
| 20-F | Annual report (foreign issuer) | Apr 26, 2019 | Dec 31, 2018 |
| 6-K | Current report (foreign issuer) | Mar 22, 2019 | Mar 22, 2019 |
| 6-K | Current report (foreign issuer) | Nov 23, 2018 | Nov 23, 2018 |
| 6-K | Current report (foreign issuer) | Aug 29, 2018 | Aug 29, 2018 |
| 6-K | Current report (foreign issuer) | Aug 29, 2018 | Aug 29, 2018 |
| 6-K | Current report (foreign issuer) | Aug 24, 2018 | Aug 24, 2018 |
| 6-K | Current report (foreign issuer) | Jul 25, 2018 | Jul 25, 2018 |
| 6-K | Current report (foreign issuer) | Jul 19, 2018 | Jul 19, 2018 |
| 6-K | Current report (foreign issuer) | May 22, 2018 | May 22, 2018 |
| 6-K | Current report (foreign issuer) | May 21, 2018 | May 21, 2018 |
| S-8 | Employee stock plan registration | May 11, 2018 | — |
| 424B4 | Prospectus | Mar 23, 2018 | — |
| EFFECT | Filing | Mar 22, 2018 | — |
| CORRESP | Letter to the SEC | Mar 20, 2018 | — |
| CORRESP | Letter to the SEC | Mar 20, 2018 | — |
| CORRESP | Letter to the SEC | Mar 20, 2018 | — |
| F-1/A | Amendment no. 3 to form f-1 | Mar 20, 2018 | — |
| UPLOAD | Letter from the SEC | Mar 19, 2018 | — |
| CERT | Nyse cert- sunlands online education group | Mar 19, 2018 | — |
| 8-A12B | Form 8-a | Mar 15, 2018 | — |
| CORRESP | Letter to the SEC | Mar 14, 2018 | — |
| F-1/A | Amendment no. 2 to form f-1 | Mar 14, 2018 | — |
| CORRESP | Letter to the SEC | Mar 7, 2018 | — |
| F-1/A | Amendment no. 1 to form f-1 | Mar 7, 2018 | — |
| UPLOAD | Letter from the SEC | Mar 5, 2018 | — |
| CORRESP | Letter to the SEC | Feb 23, 2018 | — |
| F-1 | Registration statement (foreign issuer) | Feb 23, 2018 | — |
| DRSLTR | Filing | Jan 18, 2018 | — |
| DRS/A | Filing | Jan 18, 2018 | — |
| UPLOAD | Letter from the SEC | Jan 10, 2018 | — |
| DRS | Filing | Dec 14, 2017 | — |
| DRSLTR | Filing | Dec 13, 2017 | — |
Showing 112 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
- Services-Educational Services (SIC 8200)
- Listed as
- STG (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Beijing
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1723935
- Former names
- Sunlands Online Education Group (until Nov 23, 2018)
Other Services-Educational Services companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.