215 filings
6-K
TANH
Tantech Holdings Ltd
21 May 24
Tantech Holdings Ltd Received Notification of Deficiency from Nasdaq Related to Not Timely Filing of Annual Report on Form 20-F
4:10pm
6-K
TANH
Tantech Holdings Ltd
8 May 24
Current report (foreign)
4:30pm
NT 20-F
TANH
Tantech Holdings Ltd
1 May 24
Notice of late annual filing (foreign)
9:29am
6-K
TANH
Tantech Holdings Ltd
25 Apr 24
Tantech Holdings Ltd Announces $2.1 Million Private Placement
9:45pm
6-K
TANH
Tantech Holdings Ltd
19 Mar 24
Share Transfer Agreement
4:05pm
6-K
op02ohyud
29 Feb 24
Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements
4:15pm
6-K
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16 Jan 24
Current report (foreign)
4:05pm
6-K
03k2f8r7fh0pa
2 Jan 24
Share Transfer Agreement
4:05pm
6-K
onykhxcv40un14rsvv0
5 Dec 23
Current report (foreign)
8:00am
6-K
ekc8753rane
20 Nov 23
Current report (foreign)
4:05pm
6-K
p70sm70w
24 Oct 23
Current report (foreign)
4:05pm
EFFECT
ew457bdnjs c8d5sdi2
12 Sep 23
Notice of effectiveness
12:15am
CORRESP
ocmalxfvqao pyz9f1br
7 Sep 23
Correspondence with SEC
12:00am
UPLOAD
h5ziv47k1
6 Sep 23
Letter from SEC
12:00am
F-3
dvuhd2ojw
30 Aug 23
Shelf registration (foreign)
4:45pm
6-K
yn8p5nft
14 Aug 23
Current report (foreign)
9:15am
424B5
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30 Jun 23
Prospectus supplement for primary offering
4:05pm
6-K
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30 Jun 23
Current report (foreign)
9:20am
424B5
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28 Jun 23
Prospectus supplement for primary offering
5:27pm
6-K/A
3yey2vbdtv
28 Jun 23
Current report (foreign) (amended)
6:02am