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Tantech (TANH)

167 filings

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6-K
TANH Tantech Holdings Ltd
19 May 22
Tantech Received Notification of Deficiency from Nasdaq Related to not timely Filing of Annual Report Form 20-F
4:31pm
6-K
TANH Tantech Holdings Ltd
28 Apr 22
Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements
4:01pm
6-K
TANH Tantech Holdings Ltd
22 Mar 22
Tantech Holdings Ltd. Announces Successful Closing of $10.0 Million Underwritten Public Offering
4:20pm
6-K
TANH Tantech Holdings Ltd
21 Mar 22
Tantech Holdings Ltd. Announces Successful Closing of $10.0 Million Underwritten Public Offering
6:03am
424B5
TANH Tantech Holdings Ltd
18 Mar 22
Prospectus supplement for primary offering
6:02am
424B5
TANH Tantech Holdings Ltd
16 Mar 22
Prospectus supplement for primary offering
6:11am
6-K
TANH Tantech Holdings Ltd
15 Mar 22
Current report (foreign)
5:08pm
6-K
TANH Tantech Holdings Ltd
2 Mar 22
Tantech Holdings Receives NASDAQ Minimum Bid Price Requirement Extension
8:01am
6-K
TANH Tantech Holdings Ltd
25 Feb 22
Tantech Holdings Ltd Announces 1-for-10 Common Share Consolidation
11:58am
SC 13G/A
Sabby Management, LLC
4 Jan 22
TANTECH / SABBY MANAGEMENT ownership change
7:00pm
SC 13G
TANH Tantech Holdings Ltd
9 Dec 21
TANTECH / SABBY MANAGEMENT ownership change
10:15am
6-K
TANH Tantech Holdings Ltd
6 Dec 21
Tantech Closes $13.7 Million Underwritten Public Offering of Common Shares
9:30pm
424B5
TANH Tantech Holdings Ltd
6 Dec 21
Prospectus supplement for primary offering
5:28pm
424B5
TANH Tantech Holdings Ltd
2 Dec 21
Prospectus supplement for primary offering
6:02am
6-K
TANH Tantech Holdings Ltd
18 Nov 21
Current report (foreign)
8:00am
6-K
TANH Tantech Holdings Ltd
4 Nov 21
Current report (foreign)
8:01am
6-K
2021 Q2
TANH Tantech Holdings Ltd
22 Oct 21
Current report (foreign)
5:10pm
6-K
TANH Tantech Holdings Ltd
4 Oct 21
Current report (foreign)
8:00am
6-K
TANH Tantech Holdings Ltd
1 Sep 21
Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements
4:51pm
6-K
TANH Tantech Holdings Ltd
9 Aug 21
Current report (foreign)
4:30pm