Collegium Pharmaceutical, Inc. announced that effective May 24, 2024, Joe Ciaffoni will step down as President of the Company. Mr. Ciaffoni will serve as a member of the Board of Directors of the Company until the upcoming 2024 Annual Meeting of Shareholders and will not stand for re-election at the meeting. To ensure a seamless transition, Michael Heffernan, founder, former CEO and Chairman of the Board will serve as Interim President until a new CEO is appointed by the Board of Directors.