Moleculin Announces $5.9 Million Public Offering

HOUSTON, June 20, 2025 (GLOBE NEWSWIRE) -- Moleculin Biotech, Inc., (Nasdaq: MBRX) (“Moleculin” or the “Company”), a late-stage pharmaceutical company with a broad portfolio of drug candidates targeting hard-to-treat tumors and viruses, today announced the pricing of a public offering consisting of 16,080,000 shares of common stock (or pre-funded warrants in lieu thereof) and Series E warrants to purchase up to 48,240,000 shares of its common stock, at a combined public offering price per share of common stock (or per pre-funded warrant in lieu thereof) and accompanying Series E warrants of $0.37. The Series E warrants will have an exercise price of $0.37 per share, are exercisable upon stockholder approval, and will expire five years following the initial exercise date.

The offering is expected to close on or about June 23, 2025, subject to customary closing conditions. Gross proceeds, before deducting placement agent fees and commissions and offering expenses, are expected to be approximately $5.9 million. The Company intends to use the net proceeds from the offering to advance Annamycin and its other two drug portfolios through clinical development, advancing the remainder of the existing portfolio through preclinical studies and into INDs or their equivalent, sponsoring research, and for working capital.

Roth Capital Partners is acting as exclusive placement agent of the offering. Maxim Group LLC is acting as financial advisor to the Company.

The securities described above are being offered pursuant to a registration statement on Form S-1 (File No. 333-287727), that was declared effective by the U.S. Securities and Exchange Commission (“SEC”), on June 20, 2025. The offering is being made only by means of a prospectus forming part of the effective registration statement relating to the offering. A preliminary prospectus relating to the offering has been filed with the SEC. Electronic copies of the final prospectus relating to and describing the terms of the offering may be obtained, when available, at the SEC’s website at www.sec.gov or by contacting Roth Capital Partners, LLC, 888 San Clemente Drive, Suite 400, Newport Beach, CA 92660 or by email at [e-mail].