6-K | 06-06-2024 | https://www.sec.gov/Archives/edgar/data/1821468/000095017024069652/yq-ex99_1.htm | sec.gov | filings |
20-F | 25-04-2024 | https://www.sec.gov/Archives/edgar/data/1821468/000095017024047905/yq-20231231.htm | sec.gov | filings |
6-K | 21-03-2024 | https://www.sec.gov/Archives/edgar/data/1821468/000095017024034411/yq-ex99_1.htm | sec.gov | filings |
SC 13G/A | 12-01-2024 | https://www.sec.gov/Archives/edgar/data/1821468/000121390024003114/ea191311-13ga1cllion3_17edu.htm | sec.gov | filings |
6-K | 05-01-2024 | https://www.sec.gov/Archives/edgar/data/1821468/000095017024002285/yq-ex99_1.htm | sec.gov | filings |
6-K | 13-12-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023069865/yq-ex99_1.htm | sec.gov | filings |
6-K | 07-12-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023068678/yq-ex99_1.htm | sec.gov | filings |
6-K | 22-09-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023049313/0000950170-23-049313.txt | sec.gov | filings |
SC 13G/A | 08-09-2023 | https://www.sec.gov/Archives/edgar/data/1021944/000119312523231029/d529279dsc13ga.htm | sec.gov | filings |
6-K | 29-08-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023044881/yq-ex99_1.htm | sec.gov | filings |
6-K | 10-08-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000119312523209017/0001193125-23-209017.txt | sec.gov | filings |
6-K | 15-06-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023028085/yq-ex99_1.htm | sec.gov | filings |
20-F | 26-04-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023014550/yq-20221231.htm | sec.gov | filings |
6-K | 26-04-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023014556/0000950170-23-014556.txt | sec.gov | filings |
6-K | 28-03-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000095017023010099/yq-ex99_1.htm | sec.gov | filings |
SC 13G/A | 09-02-2023 | https://www.sec.gov/Archives/edgar/data/1528227/000119312523029092/d420492dsc13ga.htm | sec.gov | filings |
SC 13G/A | 08-02-2023 | https://www.sec.gov/Archives/edgar/data/1021944/000119312523027527/d317229dsc13ga.htm | sec.gov | filings |
SC 13G | 06-02-2023 | https://www.sec.gov/Archives/edgar/data/1821468/000121390023008238/ea172453-13gcllion_17edu.htm | sec.gov | filings |
6-K | 08-12-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522300440/d616132dex991.htm | sec.gov | filings |
6-K | 29-09-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522254314/0001193125-22-254314.txt | sec.gov | filings |
6-K | 13-09-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522243797/d358536dex991.htm | sec.gov | filings |
6-K | 29-07-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522206590/0001193125-22-206590.txt | sec.gov | filings |
6-K | 10-06-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522171428/d331252dex991.htm | sec.gov | filings |
20-F | 27-04-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000156459022016093/yq-20f_20211231.htm | sec.gov | filings |
S-8 POS | 10-03-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522071936/d323104ds8pos.htm | sec.gov | filings |
6-K | 09-03-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522069946/d693765dex991.htm | sec.gov | filings |
SC 13G/A | 14-02-2022 | https://www.sec.gov/Archives/edgar/data/1528227/000119312522039176/d265219dsc13ga.htm | sec.gov | filings |
SC 13G/A | 14-02-2022 | https://www.sec.gov/Archives/edgar/data/1021944/000119312522039106/d299703dsc13ga.htm | sec.gov | filings |
SC 13G/A | 14-02-2022 | https://www.sec.gov/Archives/edgar/data/1599932/000110465922022636/tm226618d1_sc13ga.htm | sec.gov | filings |
SC 13G/A | 09-02-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522031747/d255190dsc13ga.htm | sec.gov | filings |
SC 13G/A | 08-02-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522031196/d284458dsc13ga.htm | sec.gov | filings |
6-K | 18-01-2022 | https://www.sec.gov/Archives/edgar/data/1821468/000119312522010458/d251512dex991.htm | sec.gov | filings |
6-K | 08-12-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521350768/d249477dex991.htm | sec.gov | filings |
6-K | 02-12-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521346083/d200366dex991.htm | sec.gov | filings |
SC 13G/A | 12-11-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521326865/d254508dsc13ga.htm | sec.gov | filings |
6-K | 02-11-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521316268/d210144dex991.htm | sec.gov | filings |
6-K | 24-09-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521281194/d226346dex991.htm | sec.gov | filings |
6-K | 26-08-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521256802/d197727dex991.htm | sec.gov | filings |
6-K | 27-07-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521224993/d206327dex991.htm | sec.gov | filings |
6-K | 25-05-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521172290/d184895dex991.htm | sec.gov | filings |
S-8 | 30-04-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521142559/d138198ds8.htm | sec.gov | filings |
6-K | 12-04-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521112442/d153491dex991.htm | sec.gov | filings |
20-F | 09-04-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000156459021018346/yq-20f_20201231.htm | sec.gov | filings |
6-K | 09-03-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521074861/d129451dex991.htm | sec.gov | filings |
SC 13G/A | 26-02-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521058315/d77380dsc13ga.htm | sec.gov | filings |
SC 13G | 16-02-2021 | https://www.sec.gov/Archives/edgar/data/1718212/000110465921022965/tm216650d2_sc13g.htm | sec.gov | filings |
SC 13G | 11-02-2021 | https://www.sec.gov/Archives/edgar/data/1599932/000110465921020190/a21-6085_1sc13g.htm | sec.gov | filings |
SC 13G | 09-02-2021 | https://www.sec.gov/Archives/edgar/data/1528227/000119312521034355/d75357dsc13g.htm | sec.gov | filings |
SC 13G | 08-02-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521032320/d100351dsc13g.htm | sec.gov | filings |
SC 13G/A | 05-02-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521029683/d102797dsc13ga.htm | sec.gov | filings |
SC 13G | 05-02-2021 | https://www.sec.gov/Archives/edgar/data/1021944/000095014221000397/eh210129158_13g-17edtech.htm | sec.gov | filings |
SC 13G | 29-01-2021 | https://www.sec.gov/Archives/edgar/data/1821468/000119312521021517/d30866dsc13g.htm | sec.gov | filings |
EFFECT | 04-12-2020 | https://www.sec.gov/Archives/edgar/data/1821468/999999999520003394/xslEFFECTX01/primary_doc.xml | sec.gov | filings |
424B4 | 04-12-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520310650/d52135d424b4.htm | sec.gov | filings |
CERT | 02-12-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000135445720000739/8A_Cert_YQ.pdf | sec.gov | filings |
CORRESP | 01-12-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520306156/filename1.htm | sec.gov | filings |
CORRESP | 01-12-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520306149/filename1.htm | sec.gov | filings |
F-1/A | 27-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520304579/d52135df1a.htm | sec.gov | filings |
CORRESP | 27-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520304581/filename1.htm | sec.gov | filings |
8-A12B | 27-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520304585/d199377d8a12b.htm | sec.gov | filings |
CORRESP | 13-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520293081/filename1.htm | sec.gov | filings |
F-1 | 13-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000119312520293052/d52135df1.htm | sec.gov | filings |
DRSLTR | 03-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000095012320010716/filename1.htm | sec.gov | filings |
DRS/A | 03-11-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000095012320010714/filename1.htm | sec.gov | filings |
UPLOAD | 30-10-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000000000020010332/filename1.pdf | sec.gov | filings |
DRS/A | 20-10-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000095012320010329/filename1.htm | sec.gov | filings |
DRSLTR | 20-10-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000095012320010331/filename1.htm | sec.gov | filings |
UPLOAD | 14-10-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000000000020009686/filename1.pdf | sec.gov | filings |
DRS | 16-09-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000095012320009764/filename1.htm | sec.gov | filings |
DRSLTR | 16-09-2020 | https://www.sec.gov/Archives/edgar/data/1821468/000095012320009767/filename1.htm | sec.gov | filings |