19 filings
20-F
2022 FY
TANH
Tantech Holdings Ltd
Annual report (foreign)
1 May 23
5:01pm
20-F/A
2021 FY
TANH
Tantech Holdings Ltd
17 Jan 23
Annual report (foreign) (amended)
8:30am
20-F/A
2021 FY
TANH
Tantech Holdings Ltd
23 Dec 22
Annual report (foreign) (amended)
9:25am
20-F
2021 FY
TANH
Tantech Holdings Ltd
Annual report (foreign)
18 Jul 22
8:01am
NT 20-F
TANH
Tantech Holdings Ltd
2 May 22
Notice of late annual filing (foreign)
5:17pm
20-F/A
cfn9 js0qa
6 Jul 20
Annual report (foreign) (amended)
4:30pm
NT 20-F
0zc7jr
12 Jun 20
Notice of late annual filing (foreign)
4:30pm
NT 20-F
wq6bd
30 Apr 19
Notice of late annual filing (foreign)
4:05pm
NT 20-F
8ktv3 nrp5
30 Apr 18
Notice of late annual filing (foreign)
5:14pm
20-F/A
xexm6uym qctx
21 Dec 16
Annual report (foreign) (amended)
12:00am
20-F/A
u84l4leli1z6w9jusym
28 Nov 16
Annual report (foreign) (amended)
12:00am
20-F/A
gjsbtjrb
28 Oct 16
Annual report (foreign) (amended)
12:00am
20-F
okj21s
30 Apr 15
Annual report (foreign)
12:00am
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