29 results
424B5
TANH
Tantech Holdings Ltd
30 Jun 23
Prospectus supplement for primary offering
4:05pm
conflicts, public health issues and natural disasters such as fire, hurricanes, earthquakes, tornados or other adverse weather and climate conditions … ) there existed a challenging market condition and unfavorable political climate and (4) the Company intended to transition focus of its traditional
424B5
TANH
Tantech Holdings Ltd
28 Jun 23
Prospectus supplement for primary offering
5:27pm
or other adverse weather and climate conditions, whether occurring in the People’s Republic of China or elsewhere; and
other unanticipated factors … investment on developing EDLC carbon products, (3) there existed a challenging market condition and unfavorable political climate and (4) the Company
424B5
TANH
Tantech Holdings Ltd
18 Mar 22
Prospectus supplement for primary offering
6:02am
, hurricanes, earthquakes, tornados or other adverse weather and climate conditions, whether occurring in the People’s Republic of China or elsewhere … a challenging market condition and unfavorable political climate and (4) the Company intended to transition focus of its traditional charcoal business to its
424B5
9p8pg wkenh
16 Mar 22
Prospectus supplement for primary offering
6:11am
424B5
ytvz3uez8 dv6ty
6 Dec 21
Prospectus supplement for primary offering
5:28pm
424B5
sgx9jj9
2 Dec 21
Prospectus supplement for primary offering
6:02am
424B3
9p7k75kj e85jx70w0
28 Dec 20
Prospectus supplement
5:01pm
F-3
ilg4xqsw
18 Dec 20
Shelf registration (foreign)
5:03pm
424B5
jod49
24 Nov 20
Prospectus supplement for primary offering
8:21am
20-F/A
ny3e17gq7kfb
21 Dec 16
Annual report (foreign) (amended)
12:00am
20-F/A
qc5 2ll3xo
28 Nov 16
Annual report (foreign) (amended)
12:00am
20-F/A
kcl1vgp35ypsa6okj0r
28 Oct 16
Annual report (foreign) (amended)
12:00am