COLLEGIUM PHARMACEUTICAL, INC — Director's Dealing 2015

May 6, 2015

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: COLLEGIUM PHARMACEUTICAL, INC (COLL)
CIK: 0001267565
Period of Report: 2015-05-06

Reporting Person: Duke Barry S (see remarks)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to purchase)	$5.73	2025-03-30	Common Stock (72463)		Direct

Footnotes

F1: The options vest and become exercisable over a 4-year period commencing on March 30, 2015. Twenty-five percent (25%) of the options vest and become exercisable on March 30, 2016, and the balance of the shares vest in equal monthly installments (rounded up to the nearest whole option) over the remaining three years of the 4-year period.