$TANH SEC Filings

Filing Filed On
CORRESP 22 Dec 2020
UPLOAD 21 Dec 2020
F-3 18 Dec 2020
FORM 6-K/A 08 Dec 2020
D 07 Dec 2020
SCHEDULE 13G 30 Nov 2020
FORM 6-K 24 Nov 2020
424B5 24 Nov 2020
FORM 6-K 20 Nov 2020
FORM 6-K 30 Sep 2020
6-K 14 Sep 2020
EFFECT 31 Aug 2020
CORRESP 27 Aug 2020
UPLOAD 26 Aug 2020
F-3 20 Aug 2020
FORM 6-K 12 Aug 2020
EFFECT 04 Aug 2020
POS AM 24 Jul 2020
20-F/A 06 Jul 2020
FORM 20-F 30 Jun 2020