$DUO SEC Filings

Filing Filed On
CORRESP 22 Dec 2021
UPLOAD 09 Dec 2021
FORM 6-K 19 Nov 2021
CORRESP 02 Nov 2021
CORRESP 27 Oct 2021
UPLOAD 20 Sep 2021
FORM 6-K 13 Aug 2021
FORM 6-K 14 May 2021
FORM 20-F 31 Mar 2021
6-K 26 Mar 2021
SC 13G 05 Feb 2021
SC 13G 04 Feb 2021
6-K 20 Nov 2020
6-K 14 Aug 2020
6-K 11 Jun 2020
20-F/A 12 May 2020
20-F 15 Apr 2020
6-K 01 Apr 2020
S-8 31 Mar 2020
6-K 12 Mar 2020