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 |
|---|---|---|---|
| UPLOAD | Letter from the SEC | Jul 14, 2023 | — |
| CORRESP | Letter to the SEC | Jun 27, 2023 | — |
| CORRESP | Letter to the SEC | Jun 20, 2023 | — |
| UPLOAD | Letter from the SEC | May 23, 2023 | — |
| CORRESP | Letter to the SEC | Apr 4, 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 | — |
| UPLOAD | Letter from the SEC | Aug 18, 2020 | — |
| CORRESP | Letter to the SEC | Aug 13, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 5, 2020 | — |
| 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 | — |
| 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 | — |
| CORRESP | Letter to the SEC | Mar 7, 2018 | — |
| UPLOAD | Letter from the SEC | Mar 5, 2018 | — |
| CORRESP | Letter to the SEC | 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 29 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.