TANTECH HOLDINGS LTD — 424B1 Filings
1 424B1 filing on record
This page lists all 424B1 filings submitted to the SEC by TANTECH HOLDINGS LTD (TANH), sorted by most recent first. Each row links to the full filing on EdgarLookup. TANTECH HOLDINGS LTD has filed 1 424B1 document with the SEC since 2013. To view all SEC filings by TANTECH HOLDINGS LTD, see the full filings list.
All
144
20-F
20-F/A
3
424B1
424B3
424B5
6-K
6-K/A
8-A12B
CERTNAS
CORRESP
D
DRS
DRS/A
DRSLTR
EFFECT
F-1
F-1/A
F-3
F-3/A
NT 20-F
POS AM
RW
RW WD
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B1 | FORM 424B1 | 0001144204-15-018748 | Mar 27, 2015 | — |