Sunlands Technology Group SEC EDGAR Filings (CIK 0001723935)

SEC EDGAR filings, ownership reports, and insider transactions for Sunlands Technology Group.

Symbol
STG on NYSE
Industry
Services Educational Services (Office Of Trade & Services)
Business address
Building 4 6, Chaolai Science Park, No. 36 Chuangyuan Rd, Chaoyang District, Beijing
State of incorporation
Cayman Islands
Fiscal year end
31 December
Former names
Sunlands Online Education Group (to 23 Nov 2018)
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Sunlands Technology Group has filed 133 SEC EDGAR filings since 13 Dec 2017

Latest Filings

Recent SEC filings for Sunlands Technology Group including 6-K, 20-F, SCHEDULE 13G/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 Nov 2025 20 Nov 2025 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Nov 2025 14 Nov 2025 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Aug 2025 14 Aug 2025 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 May 2025 22 May 2025 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Apr 2025 25 Apr 2025 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 25 Apr 2025 31 Dec 2024 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Mar 2025 21 Mar 2025 001-38423
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 Jan 2025 005-90454
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Nov 2024 22 Nov 2024 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Oct 2024 17 Oct 2024 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Aug 2024 16 Aug 2024 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 May 2024 31 May 2024 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 24 May 2024 24 May 2024 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Apr 2024 25 Apr 2024 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 25 Apr 2024 31 Dec 2023 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Mar 2024 22 Mar 2024 001-38423
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 07 Mar 2024 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 07 Mar 2024 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 24 Jan 2024 005-90454
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Nov 2023 22 Nov 2023 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 Oct 2023 20 Oct 2023 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Aug 2023 18 Aug 2023 001-38423
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Jul 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Jun 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Jun 2023
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 May 2023 25 May 2023 001-38423
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 May 2023
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 May 2023 16 May 2023 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Apr 2023 25 Apr 2023 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 25 Apr 2023 31 Dec 2022 001-38423
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Apr 2023
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 24 Mar 2023 24 Mar 2023 001-38423
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Mar 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Mar 2023
144 Open 144 document View SEC filing for 144 10 Mar 2023 001-38423
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 08 Feb 2023 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 03 Feb 2023 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 03 Feb 2023 005-90454
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Jan 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Jan 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Dec 2022
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Nov 2022 23 Nov 2022 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Oct 2022 17 Oct 2022 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Aug 2022 18 Jun 2022 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Jun 2022 14 Jun 2022 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 May 2022 31 May 2022 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 May 2022 05 May 2022 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Apr 2022 27 Apr 2022 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 27 Apr 2022 31 Dec 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Apr 2022 08 Apr 2022 001-38423
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 3 11 Feb 2022 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 3 11 Feb 2022 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 08 Feb 2022 005-90454
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 06 Dec 2021 06 Dec 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Nov 2021 23 Nov 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Oct 2021 18 Oct 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 12 Oct 2021 12 Oct 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Oct 2021 04 Oct 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 Aug 2021 20 Aug 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Aug 2021 18 Aug 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 May 2021 25 May 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Apr 2021 16 Apr 2021 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 16 Apr 2021 31 Dec 2020 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Mar 2021 25 Mar 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Mar 2021 18 Mar 2021 001-38423
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 04 Mar 2021 005-90454
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 04 Mar 2021 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2021 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 10 Feb 2021 005-90454
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 07 Jan 2021 07 Jan 2021 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Nov 2020 18 Nov 2020 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Oct 2020 26 Oct 2020 001-38423
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Aug 2020
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Aug 2020 14 Aug 2020 001-38423
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Aug 2020
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Aug 2020
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 May 2020 27 May 2020 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 24 Apr 2020 24 Apr 2020 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 24 Apr 2020 31 Dec 2019 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 02 Apr 2020 02 Apr 2020 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Mar 2020 27 Mar 2020 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Mar 2020 16 Mar 2020 001-38423
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2020 005-90454
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 14 Feb 2020 005-90454
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 14 Feb 2020 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 12 Feb 2020 005-90454
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 06 Jan 2020 005-90454
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Nov 2019 27 Nov 2019 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Nov 2019 22 Nov 2019 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Nov 2019 22 Nov 2019 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Aug 2019 23 Aug 2019 001-38423
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 14 Aug 2019 005-90454
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Jul 2019 11 Jul 2019 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Jun 2019 18 Jun 2019 001-38423
6-K Open 6-K document View SEC filing for 6-K 6-K 28 May 2019 28 May 2019 001-38423
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 26 Apr 2019 31 Dec 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K 6-K 22 Mar 2019 22 Mar 2019 001-38423
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2019 005-90454
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2019 005-90454
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2019 005-90454
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 28 Jan 2019 005-90454
6-K Open 6-K document View SEC filing for 6-K 6-K 23 Nov 2018 23 Nov 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Aug 2018 29 Aug 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Aug 2018 29 Aug 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 24 Aug 2018 24 Aug 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Jul 2018 25 Jul 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Jul 2018 19 Jul 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 May 2018 22 May 2018 001-38423
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 May 2018 21 May 2018 001-38423
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 11 May 2018 333-224890
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 03 May 2018 005-90454
424B4 Open 424B4 document View SEC filing for 424B4 424(B)(4) 23 Mar 2018 333-223190
EFFECT Open EFFECT document View SEC filing for EFFECT 22 Mar 2018 333-223190
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Mar 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Mar 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Mar 2018
F-1/A Open F-1/A document View SEC filing for F-1/A AMENDMENT NO. 3 TO FORM F-1 20 Mar 2018 333-223190
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Mar 2018
CERT Open CERT document View SEC filing for CERT NYSE CERT- SUNLANDS ONLINE EDUCATION GROUP 19 Mar 2018 001-38423
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A 15 Mar 2018 001-38423
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Mar 2018
F-1/A Open F-1/A document View SEC filing for F-1/A AMENDMENT NO. 2 TO FORM F-1 14 Mar 2018 333-223190
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Mar 2018
F-1/A Open F-1/A document View SEC filing for F-1/A AMENDMENT NO. 1 TO FORM F-1 07 Mar 2018 333-223190
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Mar 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Feb 2018
F-1 Open F-1 document View SEC filing for F-1 FORM F-1 23 Feb 2018 333-223190
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 18 Jan 2018
DRS/A Open DRS/A document View SEC filing for DRS/A 18 Jan 2018 377-01830
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Jan 2018
DRS Open DRS document View SEC filing for DRS 14 Dec 2017 377-01830
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 13 Dec 2017

About this filer

Sunlands Technology Group files with the SEC under CIK 0001723935. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Educational Services.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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