Latest filings (excl ownership)
6-K
Share Transfer Agreement
19 Mar 24
6-K
Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements
29 Feb 24
6-K
Current report (foreign)
16 Jan 24
6-K
Share Transfer Agreement
2 Jan 24
6-K
Current report (foreign)
5 Dec 23
6-K
Current report (foreign)
20 Nov 23
6-K
Current report (foreign)
24 Oct 23
EFFECT
Notice of effectiveness
12 Sep 23
CORRESP
Correspondence with SEC
7 Sep 23
UPLOAD
Letter from SEC
6 Sep 23
F-3
Shelf registration (foreign)
30 Aug 23
6-K
Current report (foreign)
14 Aug 23
424B5
Prospectus supplement for primary offering
30 Jun 23
6-K
Current report (foreign)
30 Jun 23
424B5
Prospectus supplement for primary offering
28 Jun 23
6-K/A
Current report (foreign) (amended)
28 Jun 23
6-K
Current report (foreign)
23 Jun 23
20-F
2022 FY
Annual report (foreign)
1 May 23
6-K
Tantech Announces a $2.8 Million Private Placement
24 Mar 23
UPLOAD
Letter from SEC
24 Jan 23
20-F/A
2021 FY
Annual report (foreign) (amended)
17 Jan 23
CORRESP
Correspondence with SEC
17 Jan 23
UPLOAD
Letter from SEC
4 Jan 23
6-K
Current report (foreign)
28 Dec 22
20-F/A
2021 FY
Annual report (foreign) (amended)
23 Dec 22
6-K
Current report (foreign)
20 Dec 22
6-K
Current report (foreign)
13 Dec 22
6-K
Current report (foreign)
1 Dec 22
CORRESP
Correspondence with SEC
28 Nov 22
6-K
Current report (foreign)
22 Nov 22
UPLOAD
Letter from SEC
10 Nov 22
6-K
Tantech Holdings Announces 1-for-24 Common Share Consolidation
8 Nov 22
6-K
Tantech Holdings Receives NASDAQ Minimum Bid Price Requirement Extension And Announces Reverse Stock Split
31 Oct 22
6-K
Current report (foreign)
19 Oct 22
CORRESP
Correspondence with SEC
12 Oct 22
UPLOAD
Letter from SEC
12 Sep 22
6-K
Current report (foreign)
3 Aug 22
6-K
Current report (foreign)
21 Jul 22
20-F
2021 FY
Annual report (foreign)
18 Jul 22
6-K
Current report (foreign)
21 Jun 22
Latest ownership filings
SC 13G
Wang Jian
13 Oct 23
SC 13G
Wang Yan
13 Oct 23
SC 13G
Wu Huiqing
12 Oct 23
SC 13G
Zhang Lijuan
12 Oct 23
SC 13G
Zhang Xiaochun
12 Oct 23
SC 13G
Ye Zhaowei
12 Oct 23
SC 13G
KONG MAN
10 Oct 23
SC 13G/A
SABBY MANAGEMENT, LLC
10 Jan 23
SC 13G/A
SABBY MANAGEMENT, LLC
5 Jan 22
SC 13G
SABBY MANAGEMENT, LLC
9 Dec 21
SC 13G
INTRACOASTAL CAPITAL, LLC
30 Nov 20
SC 13G/A
Tantech Holdings LTD
6 Feb 20
144
Notice of proposed sale of securities
28 Aug 17
SC 13D
Tantech Holdings LTD
11 May 16
SC 13G
Tantech Holdings LTD
17 Feb 16