50 results
F-3
TANH
Tantech Holdings Ltd
30 Aug 23
Shelf registration (foreign)
4:45pm
Vehicles work with high efficiencies with low operating expenses. They travel (clean) around 20~30 km/hr with fuel consumption rates approximately 3.33 km
424B5
TANH
Tantech Holdings Ltd
30 Jun 23
Prospectus supplement for primary offering
4:05pm
expenses. They travel (clean) around 20~30 km/hr with fuel consumption rates approximately 3.33 km/liter. The vehicles are equipped with professional
424B5
TANH
Tantech Holdings Ltd
28 Jun 23
Prospectus supplement for primary offering
5:27pm
work with high efficiencies with low operating expenses. They travel (clean) around 20~30 km/hr with fuel consumption rates approximately 3.33 km/liter
6-K
EX-99.3
g46m5
28 Dec 22
Current report (foreign)
8:35am
6-K
EX-99.1
uhn 2doaa2q2
1 Dec 22
Current report (foreign)
8:35am
6-K
EX-99.1
ye25px dnc
21 Jul 22
Current report (foreign)
8:05am
6-K
EX-99.1
urkf0j
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
EX-99.1
kz6axmncl7w5awat8
28 Apr 22
Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements
4:01pm
424B5
u34 i36biuo7
18 Mar 22
Prospectus supplement for primary offering
6:02am
424B5
boxcst gcl74
16 Mar 22
Prospectus supplement for primary offering
6:11am
424B5
3e2i3jhzlblmf6mml
6 Dec 21
Prospectus supplement for primary offering
5:28pm
424B5
inzndvc kfb218
2 Dec 21
Prospectus supplement for primary offering
6:02am
6-K
EX-99.3
xika6
22 Oct 21
Current report (foreign)
5:10pm
6-K
EX-99.1
k1hagpjh1
1 Sep 21
Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements
4:51pm
6-K/A
EX-99.2
xgr64jwt5gojrjs3dka
7 Jun 21
Current report (foreign) (amended)
4:00pm
6-K
EX-99.1
hubw3f2
27 May 21
Tantech Announces a US$7.0 Million Private Placement
4:00pm