TANTECH HOLDINGS LTD (TANH) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 14, 2026

Risk Assessment Details

Potential Dilution: 8216759.98% of current shares
Recent Dilution: 119.74% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
1.1K
Potential Supply
94M
Additional shares possible
Splits
None
Past 2 years

Summary

TANH currently has 1.14K outstanding shares. with significant dilution risk as 93.8M authorized shares could dilute existing holders by 8216760.0%. The company has significantly diluted shareholders by 119.74% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 14, 2026

20-F filing | 0.0M shares outstanding

1.1K 94M
May 15, 2025

20-F filing | 0.1M shares outstanding

95K 94M
Jul 12, 2024

F-1 filing: This F-1 filing includes information on the offering of up to 61,313,874 common shares by selling shareholders, consisting of shares held by selling shareholders and shares issuable upon the exercise of warrants. The company will not receive any proceeds from the sale of Common Shares by the Selling Shareholders.

8.3M 85M
Jun 11, 2024

20-F filing | 3.8M shares outstanding

3.8M 29M
Aug 30, 2023

F-3 filing: Tantech Holdings Ltd. may offer to sell common shares; preference shares; depositary shares; debt securities; warrants to purchase common shares, preference shares, depositary shares, or debt securities; rights to purchase common shares, preference shares, depositary shares, debt securities, warrants or other securities; and units of debt securities, common shares, preference shares, depositary shares, rights or warrants, in any combination up to an aggregate offering price of $100,000,000.

3.5M 29M
May 01, 2023

20-F filing | 0.3M shares outstanding

270K 32M
Jul 18, 2022

20-F filing | 6.4M shares outstanding

6.4M 26M
Apr 27, 2021

20-F filing | 35.9M shares outstanding

36M 0
Dec 18, 2020

F-3 filing: This F-3 filing relates to the resale of up to 3,669,425 common shares issuable upon exercise of outstanding warrants by selling shareholders. The company will not receive any proceeds from the sale of common shares by the selling shareholders but may receive proceeds from the cash exercise of the warrants.

36M 0
Aug 20, 2020

F-3 filing: TANTECH HOLDINGS LTD is offering common shares, preference shares, depositary shares, debt securities, warrants, rights, and units up to an aggregate offering price of $107,754,663 under a shelf registration statement.

29M 0
Jul 24, 2020

POS AM filing: This POS AM filing deregisters unsold securities from a previous shelf registration (No. 333-213240) after its expiration on March 9, 2020.

29M 0
Jun 30, 2020

20-F filing | 28.9M shares outstanding

29M 0
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