TANTECH HOLDINGS LTD

TANTECH HOLDINGS LTD (NASDAQ:TANH) is a publicly traded company in the Industrial Applications And Services sector. Wiseek monitors TANH SEC EDGAR filings and licensed market news in real time, scoring each submission for market-moving significance on a 1–10 scale. Items rated 7 or higher generate instant alerts.

Recent high-impact activity:

• Tantech Holdings Registers Resale of 43 Million Shares from Warrants, Enabling Significant Dilution and Potential Cash Inflow (2026-06-09)
• Tantech Holdings Reports Deepening Losses, Critical Internal Control Weaknesses, and Major Impairment in FY2025 Annual Report (2026-05-14)
• Tantech Holdings Secures $2.15M in Highly Dilutive Offering at Deep Discount Amid Delisting Threat (2026-04-02)
• Tantech Holdings Receives Nasdaq Delisting Notice for Minimum Bid Price Deficiency (2026-03-31)
• Tantech Holdings Launches $2.15M At-The-Market Offering, Signaling Significant Dilution for Nano-Cap Company (2026-03-25)

Insider Transactions

TANH files as a Foreign Private Issuer (FPI). Under SEC Exchange Act Section 16(a), officers, directors, and 10% owners of FPIs are exempt from Form 4 insider-transaction reporting requirements. Comparable disclosures, when applicable, appear in the company's Form 20-F (annual) or Form 6-K (interim) filings on SEC EDGAR.