Compass Therapeutics Announces Pricing of Upsized $120 Million Public Offering

Compass Therapeutics, Inc. (“Compass”) (Nasdaq: CMPX), a clinical-stage, oncology-focused biopharmaceutical company developing proprietary antibody-based therapeutics to treat multiple human diseases, today announced the pricing of an underwritten public offering of 33,290,000 shares of its common stock at a price to the public of $3.00 per share and pre-funded warrants to purchase up to an aggregate of 6,710,000 shares of its common stock at a price to the public of $2.9999 per pre-funded warrant to purchase one share of the common stock, which represents the per share public offering price for the common stock less the $0.0001 per share exercise price for each such pre-funded warrant. The gross proceeds from the offering to Compass are expected to be approximately $120 million, before deducting underwriting discounts and commissions and other offering expenses. The offering is expected to close on or about August 14, 2025, subject to customary closing conditions. In addition, Compass has granted the underwriters a 30-day option to purchase up to 6,000,000 additional shares of common stock at the public offering price, less the underwriting discount.