$DUOL SEC Filings

Filing Filed On
4 10 Feb 2022
4 10 Feb 2022
FORM 4 10 Feb 2022
FORM 4 10 Feb 2022
4 10 Feb 2022
4 10 Feb 2022
4 10 Feb 2022
4 10 Feb 2022
PRIMARY DOCUMENT 09 Feb 2022
PRIMARY DOCUMENT 07 Feb 2022
PRIMARY DOCUMENT 03 Feb 2022
PRIMARY DOCUMENT 01 Feb 2022
PRIMARY DOCUMENT 28 Jan 2022
PRIMARY DOCUMENT 26 Jan 2022
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 14 Jan 2022
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 11 Jan 2022
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 06 Jan 2022
OWNERSHIP DOCUMENT 03 Jan 2022
FORM 4 22 Dec 2021
FORM 4 20 Dec 2021