NEW YORK and AMSTERDAM, Oct. 16, 2025 (GLOBE NEWSWIRE) -- atai Life Sciences (NASDAQ:ATAI) ("atai" or "Company"), a clinical-stage biopharmaceutical company focused on transforming the treatment of mental health disorders, today announced the commencement of a proposed registered underwritten offering of its common shares. atai expects to grant the underwriters a 30-day option to purchase additional common shares at the public offering price, less the underwriting discount. All common shares to be sold in the offering will be sold by atai. The proposed offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

atai intends to use the net proceeds of this offering, together with existing cash, cash equivalents and short-term investments, to advance the clinical development of its product candidates and programs, as well as for working capital and general corporate purposes.

Jefferies LLC is the lead bookrunner for the offering. Berenberg Capital Markets LLC is also acting as passive bookrunner for the offering. Canaccord Genuity LLC and Oppenheimer & Co., Inc. are acting as co-managers for the offering.

The securities in the underwritten offering described above are being offered pursuant to an effective shelf registration statement that was filed with the U.S. Securities and Exchange Commission ("SEC") on September 29, 2025, which became effective automatically upon filing. This offering will be made only by means of a prospectus supplement and the accompanying prospectus which ...