TANTECH HOLDINGS LTD — SC 13G/A Filings
5 SC 13G/A filings on record
This page lists all SC 13G/A 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 5 SC 13G/A documents 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 |
|---|---|---|---|---|
| SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G | 0001213900-24-097252 | Nov 13, 2024 | — |
| SC 13G/A | — | 0000921895-24-002490 | Nov 6, 2024 | — |
| SC 13G/A | SABBY 13GA TANH 1.10.23 | 0001535610-23-000023 | Jan 10, 2023 | — |
| SC 13G/A | SABBY 13G-A TANH 1.04.22 | 0001535610-22-000035 | Jan 5, 2022 | — |
| SC 13G/A | SC 13G/A | 0001104659-20-012032 | Feb 6, 2020 | — |