Sunlands Technology Group (STG) SEC Filings & 10K Form $5.28 -0.01 (-0.17%) Closing price 03:50 PM EasternExtended Trading$5.34 +0.06 (+1.21%) As of 04:05 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share SEC Filings Stock AnalysisChartCompetitorsDividendEarningsHeadlinesSEC FilingsShort InterestTrendsBuy This Stock Recent Sunlands Technology Group SEC Filings All Filing Types 1 10 10-D 10-K 10-M 10-Q 11-K 12b-25 13F 13H 144 15 15F 17-H 18 18-K 19b-4(e) 19b-4 19b-7 1-A 1-E 1-K 1-N 1-SA 1-U 1-Z 20-F 24F-2 25 2-E 3 4 40-F 5 6-K 7-M 8-A 8-K 8-M 9-M ABS DD-15E ABS-15G ABS-EE ADV ADV-E ADV-H ADV-NR ADV-W ATS ATS-R BD BD-N BDW C CA-1 CB CFPORTAL D F-1 F-10 F-3 F-4 F-6 F-7 F-8 F-80 F-N F-X ID MA MA-I MA-NR MA-W MSD MSDW n/a N-14 N-17D-1 N-17f-1 N-17f-2 N-18f-1 N-1A N-2 N-23c-3 N-27D-1 N-3 N-4 N-5 N-54A N-54C N-6 N-6EI-1 N-6F N-8A N-8B-2 N-8B-4 N-8F N-CR N-CSR N-MFP N-PX N-Q NRSRO N-SAR PF PILOT R31 S-1 S-11 S-20 S-3 S-4 S-6 S-8 SBSE SBSE-A SBSE-BD SBSE-C SBSE-W SCI SD SDR SE SF-1 SF-3 SIP T-1 T-2 T-3 T-4 T-6 TA-1 TA-2 TA-W TCR TH WB-APP X-17A-19 X-17A-5 Part I X-17A-5 Part II X-17A-5 Part IIA X-17A-5 Part IIB X-17A-5 Part III X-17A-5 Schedule I X-17F-1A Filing Types Include Ownership Filings Exclude Ownership Filings Only Show Ownership FIlings Ownership Filings Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame * Start Date * End Date Export to Excel DateFilerForm TypeView05/22/20255:05 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 04/25/20256:29 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 04/25/20256:00 AMSunlands Technology Group (Filer)Form 20-FRegistration statement / Annual report / Transition report 03/21/20255:02 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 01/15/20259:35 AMAREO HOLDINGS LTD (Filed by)Sunlands Technology Group (Subject)Form SCHEDULE 13G/A11/22/20245:02 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 10/17/20245:07 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 08/16/20245:02 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 05/31/20245:04 AMSunlands Technology Group (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 (Data available from 1/1/2016 forward) Related Companies and Tools Related Companies EM 10Q Form NAMI 10Q Form HCMA 10Q Form IH 10Q Form COE 10Q Form YSXT 10Q Form CHGG 10Q Form KIDZ 10Q Form YQ 10Q Form BEDU 10Q Form SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NYSE:STG) was last updated on 5/28/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. 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