Collegium Pharmaceutical(COLL) - 2022 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Securities registered pursuant to Section 12(g) of the Act: None Commission File Number 001-37372 Collegium Pharmaceutical, Inc. (Exact name of registrant as specified in its cha ...