Tantech Holdings Ltd
TANH- Exchange
- Nasdaq
- Industry
- Industrial Organic Chemicals
- SEC CIK
- 0001588084
No open-market purchases or sales by Tantech Holdings Ltd insiders were filed in the last 90 days; 9 institutions reported holding it in 13F filings for Q2 2026, worth $87.7K in total; no superinvestor holds it.
Holders of 5% or more of TANH
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Tantech Holdings Ltd, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Streeterville Capital LLC | 13G | 8.40%71.2K shares | New | Apr 21, 20251 filing | Apr 21, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Tantech Holdings Ltd, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 21, 202512:09 PM ET | Streeterville Capital LLCand 2 others | 13G | 8.40%71.2K shares | New | Apr 21, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Tantech Holdings Ltd shares.
No Form 144 notices for Tantech Holdings Ltd are on file.