XML 43 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2019
shares
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2019
Document Fiscal Year Focus 2019
Document Fiscal Period Focus FY
Entity Registrant Name Sunlands Technology Group
Entity Central Index Key 0001723935
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Current Reporting Status Yes
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Shell Company false
Entity Voluntary Filers No
Entity Interactive Data Current Yes
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Registration Statement false
Document Accounting Standard U.S. GAAP
Entity File Number 001-38423
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One Building 4-6, Chaolai Science Park
Entity Address, Address Line Two No.36 Chuangyuan Road
Entity Address, Address Line Three Chaoyang District
Entity Address, City or Town Beijing
Entity Address, Country CN
Entity Address, Postal Zip Code 100012
Class A Ordinary Shares  
Entity Common Stock, Shares Outstanding 1,728,006
Title of 12(b) Security Class A ordinary shares, par value US$0.00005 per share
Security Exchange Name NYSE
No Trading Symbol Flag true
Class B Ordinary Shares  
Entity Common Stock, Shares Outstanding 826,389
Class C Ordinary Shares  
Entity Common Stock, Shares Outstanding 4,258,686
American Depositary Shares  
Title of 12(b) Security American depositary shares, each 25 ADS represent one Class A ordinary share
Trading Symbol STG
Security Exchange Name NYSE
Business Contact  
Contact Personnel Name Yipeng Li
Entity Address, Address Line One Building 4-6, Chaolai Science Park
Entity Address, Address Line Two No.36 Chuangyuan Road
Entity Address, Address Line Three Chaoyang District
Entity Address, City or Town Beijing
Entity Address, Country CN
Entity Address, Postal Zip Code 100012
City Area Code 10
Local Phone Number 52413738
Contact Personnel Email Address liyipeng@sunlands.com