COLL COLLEGIUM PHARMACEUTICAL INC Management Changes 8-K Filing 2024 - Appointment, Separation Agreement Collegium Pharmaceutical, Inc. appoints Michael Heffernan as Interim President and CEO, with a base salary of $291,666 per year, and enters into a Separation Agreement with departing CEO Joseph Ciaffoni.Get access to all SEC 8-K filings of the COLLEGIUM PHARMACEUTICAL INC