Tantech Holdings Ltd (NASDAQ: TANH) completed a registered direct offering and private placement that raised approximately $2.15 million in gross proceeds on March 31, 2026, according to a company statement.

The China-based bamboo charcoal products manufacturer sold 7,166,671 common units at $0.30 each. Each unit included one common share, one Series E warrant to purchase three shares at $0.30 per share, and one Series F warrant to purchase three shares at $0.35 per share.

The company plans to use net proceeds for general corporate purposes and working capital. Kaufman & Canoles, P.C. served as U.S. counsel for the transaction.

The registered direct offering was conducted under an effective shelf registration statement on Form F-3 filed with the Securities and Exchange Commission and declared effective on September 11, 2023. The concurrent private placement was made under Regulation S to non-U.S. persons only.

Under a registration rights agreement, Tantech agreed to file registration statements with the SEC covering the resale of common shares and shares issuable upon warrant exercise.