33 results
6-K
EX-99.1
TANH
Tantech Holdings Ltd
24 Oct 23
Current report (foreign)
4:05pm
than twenty years of experience in our industry.
Ms. Yefang Zhang
Director
Age — 55
Director since 2013
Ms. Zhang has been in leadership roles … are required to be disclosed pursuant to the rules and regulations of the SEC.
Board Leadership Structure
Mr. Zhengyu Wang serves as the Chairman of the Board
F-3
TANH
Tantech Holdings Ltd
30 Aug 23
Shelf registration (foreign)
4:45pm
, an authority established under the Circular 6 led by the NDRC, and MOFCOM under the leadership of the State Council, to carry out the security review
424B5
TANH
Tantech Holdings Ltd
30 Jun 23
Prospectus supplement for primary offering
4:05pm
it to the Inter-Ministerial Panel, an authority established under the Circular 6 led by the NDRC, and MOFCOM under the leadership of the State Council, to carry out
424B5
TANH
Tantech Holdings Ltd
28 Jun 23
Prospectus supplement for primary offering
5:27pm
-Ministerial Panel, an authority established under the Circular 6 led by the NDRC, and MOFCOM under the leadership of the State Council, to carry out
6-K
EX-99.1
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22 Nov 22
Current report (foreign)
4:11pm
424B5
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18 Mar 22
Prospectus supplement for primary offering
6:02am
424B5
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16 Mar 22
Prospectus supplement for primary offering
6:11am
6-K
EX-99.1
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8 Jun 21
Current report (foreign)
4:01pm
6-K
EX-99.1
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12 Aug 20
Current report (foreign)
8:24am
6-K
EX-99.1
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27 Jun 19
Current report (foreign)
4:00pm
6-K
EX-99.1
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7 Nov 18
Current report (foreign)
6:03am