Investment Banking
Co-Lead Manager on Definium Therapeutics’ Upsized $805.0 Million Public Offering
June 26, 2026
Oppenheimer & Co. Inc. acted as Co-Lead Manager on Definium Therapeutics’ Upsized $805.0 Million Public Offering
Definium Therapeutics, Inc. (Nasdaq: DFTX) (the “Company” or “Definium”), a late-stage clinical biopharmaceutical company developing a new generation of therapeutics intended to address underlying causes of psychiatric and neurological disorders, announced the closing of its underwritten public offering of 23,676,471 common shares, without par value, which includes the exercise in full by the underwriters of their option to purchase 3,088,235 additional common shares, at a public offering price of $34.00 per common share. All of the shares were offered by Definium. The gross proceeds from this offering were $805.0 million.
Definium intends to use the net proceeds from this offering for the research and development of its product candidates, preparation activities for potential commercialization of DT120 ODT, if approved, and working capital and general corporate purposes.
Healthcare Life Sciences Investment Banking
Name:
Michael A. Margolis, R.Ph.
Title:Senior Managing Director, Head of Healthcare Life Sciences Investment Banking
Name:
Stefan Loren, Ph.D.
Title:Managing Director, Healthcare Life Sciences Investment Banking
DISCLOSURES
This notice is provided for informational purposes only and is not intended as a recommendation or an offer or solicitation for the purchase or sale of any security or financial instrument. Nothing contained herein shall constitute an offer or solicitation to buy or sell any securities discussed herein in any jurisdiction where such offer or solicitation would be prohibited.
This notice may contain statistical data cited from third-party sources believed to be reliable, but Oppenheimer & Co. Inc. does not represent that any such third-party statistical information is accurate or complete, and it should not be relied upon as such. All market prices, data and other information are not warranted as to completeness or accuracy and are subject to change without notice.
Oppenheimer & Co. Inc. Transacts Business on all Principal US Exchanges and is a Member of SIPC 8994260.1