COLLEGIUM PHARMACEUTICAL, INC — Director's Dealing 2016

May 13, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLLEGIUM PHARMACEUTICAL, INC (COLL)
CIK: 0001267565
Period of Report: 2016-05-13

Reporting Person: Brannelly Paul (Executive Vice President & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-13	Common Stock	A	1200	$15.02	Acquired	78576	Direct

Footnotes

F1: The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $15.00 to $15.07, inclusive. The reporting person undertakes to provide to the Issuer, any security holder
of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.