42 filings
F-3
TANH
Tantech Holdings Ltd
30 Aug 23
Shelf registration (foreign)
4:45pm
424B5
TANH
Tantech Holdings Ltd
30 Jun 23
Prospectus supplement for primary offering
4:05pm
424B5
TANH
Tantech Holdings Ltd
28 Jun 23
Prospectus supplement for primary offering
5:27pm
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
424B5
78x164 vmgv8z
6 Dec 21
Prospectus supplement for primary offering
5:28pm
424B5
memfc 43a
2 Dec 21
Prospectus supplement for primary offering
6:02am
424B3
ao9 ma7bjex
28 Dec 20
Prospectus supplement
5:01pm
F-3
psm38jnm
18 Dec 20
Shelf registration (foreign)
5:03pm
D
fl5zmwdrvb8j9p5 8lw9
7 Dec 20
$10M in options / securities to be acquired, sold $10M, 4 investors
5:29pm
424B5
1h5nxlc41 70hwhe
24 Nov 20
Prospectus supplement for primary offering
8:21am
F-3
lict4j592cg6ke0b
20 Aug 20
Shelf registration (foreign)
4:03pm
POS AM
t28z1mn0 27q
24 Jul 20
Prospectus update (post-effective amendment)
4:01pm
424B5
n955iwf93i8d hvl4d
27 Sep 17
Prospectus supplement for primary offering
12:00am
RW WD
03yf5wdu wu0ynygy4at
3 Mar 17
Withdrawal of registration withdrawal request
12:00am
RW
digq4mei8b7tt
2 Mar 17
Registration withdrawal request
12:00am
F-3/A
s36w7jfdwf 36k57ym
27 Feb 17
Shelf registration (foreign) (amended)
12:00am
F-3/A
jkt1ob oko
9 Feb 17
Shelf registration (foreign) (amended)
12:00am
F-3/A
e6rkg ba33op6
12 Sep 16
Shelf registration (foreign) (amended)
12:00am
F-3/A
6hw0qqu7yqrl0ehuqvv
2 Sep 16
Shelf registration (foreign) (amended)
12:00am