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Sunlands Technology Group (STG)

NYSE: STG · Services-Educational Services · Beijing, CN · filing with the SEC since 2017
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Grade5.5
◀ Past 6.0● Present 6.2▶ Future 4.2
1 est.
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Filings

139 filings since 2017 beside 5 insider forms · Non-accelerated filer · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer
20-F Annual report, foreign filer for the fiscal year ending Dec 31, 2026Foreign filers have four months after the fiscal year ends. by Apr 30, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files.

Filings a yearinsider forms included
141717142111811
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Insider forms 5

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Oct 28, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 20, 2026 6-K Interim report, foreign filer
May 29, 2026 6-K Interim report, foreign filer
May 26, 2026 6-K Interim report, foreign filer
Apr 24, 2026 20-F Annual report, foreign filer Dec 31, 2025
Apr 24, 2026 6-K Interim report, foreign filer
Mar 19, 2026 6-K Interim report, foreign filer
Nov 20, 2025 6-K Interim report, foreign filer
Nov 14, 2025 6-K Interim report, foreign filer
Aug 14, 2025 6-K Interim report, foreign filer
May 22, 2025 6-K Interim report, foreign filer
Apr 25, 2025 20-F Annual report, foreign filer Dec 31, 2024
Apr 25, 2025 6-K Interim report, foreign filer
Mar 21, 2025 6-K Interim report, foreign filer
Jan 15, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 22, 2024 6-K Interim report, foreign filer
Oct 17, 2024 6-K Interim report, foreign filer
Aug 16, 2024 6-K Interim report, foreign filer
May 31, 2024 6-K Interim report, foreign filer
May 24, 2024 6-K Interim report, foreign filer
Apr 25, 2024 20-F Annual report, foreign filer Dec 31, 2023
Apr 25, 2024 6-K Interim report, foreign filer
Mar 22, 2024 6-K Interim report, foreign filer
Mar 7, 2024 SC 13G/A Large holder update, amended
Mar 7, 2024 SC 13G/A Large holder update, amended
Jan 24, 2024 SC 13G/A Large holder update, amended
Nov 22, 2023 6-K Interim report, foreign filer
Oct 20, 2023 6-K Interim report, foreign filer
Aug 18, 2023 6-K Interim report, foreign filer
Jul 14, 2023 UPLOAD SEC comment letter
Jun 27, 2023 CORRESP Reply to the SEC
Jun 20, 2023 CORRESP Reply to the SEC
May 25, 2023 6-K Interim report, foreign filer
May 23, 2023 UPLOAD SEC comment letter
May 16, 2023 6-K Interim report, foreign filer
Apr 25, 2023 20-F Annual report, foreign filer Dec 31, 2022
Apr 25, 2023 6-K Interim report, foreign filer
Apr 4, 2023 CORRESP Reply to the SEC
Mar 24, 2023 6-K Interim report, foreign filer
Mar 22, 2023 CORRESP Reply to the SEC
40 of 139 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton STG · research, not advice