226 filings
Page 4 of 12
SC 13G/A
Sabby Management, LLC
5 Jan 22
TANTECH / SABBY MANAGEMENT ownership change
12:00am
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
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
6-K
TANH
Tantech Holdings Ltd
6 Aug 21
Current report (foreign)
5:00pm
6-K
TANH
Tantech Holdings Ltd
6 Aug 21
Current report (foreign)
9:01am
6-K
TANH
Tantech Holdings Ltd
19 Jul 21
Current report (foreign)
4:30pm
6-K
TANH
Tantech Holdings Ltd
8 Jun 21
Current report (foreign)
4:01pm
6-K/A
TANH
Tantech Holdings Ltd
7 Jun 21
Current report (foreign) (amended)
4:00pm
6-K
TANH
Tantech Holdings Ltd
27 May 21
Tantech Announces a US$7.0 Million Private Placement
4:00pm
20-F
2020 FY
TANH
Tantech Holdings Ltd
Annual report (foreign)
27 Apr 21
5:02pm
424B3
TANH
Tantech Holdings Ltd
28 Dec 20
Prospectus supplement
5:01pm
EFFECT
TANH
Tantech Holdings Ltd
28 Dec 20
Notice of effectiveness
12:15am