$DUOL SEC Filings

Filing Filed On
DEF 14A 22 Apr 2022
FORM 4 SUBMISSION 22 Apr 2022
FORM 4 SUBMISSION 20 Apr 2022
FORM 4 SUBMISSION 18 Apr 2022
FORM 4 SUBMISSION 07 Apr 2022
FORM 4 SUBMISSION 25 Mar 2022
FORM 4 SUBMISSION 15 Mar 2022
FORM 4 SUBMISSION 11 Mar 2022
FORM 4/A SUBMISSION 09 Mar 2022
OWNERSHIP DOCUMENT 09 Mar 2022
FORM 4 SUBMISSION 09 Mar 2022
10-K 04 Mar 2022
S-8 04 Mar 2022
8-K 03 Mar 2022
FORM 4 SUBMISSION 02 Mar 2022
FORM 4/A 24 Feb 2022
FORM 4/A 24 Feb 2022
FORM 4/A 24 Feb 2022
FORM 4/A 24 Feb 2022
FORM 4 SUBMISSION 23 Feb 2022