SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Heron Patrick J (Last) (First) (Middle) C/O FRAZIER HEALTHCARE VI, L.P. 601 UNION STREET, SUITE 3200 (Street) SEATTLE WA 98101 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 05/06/2015	3. Issuer Name and Ticker or Trading Symbol COLLEGIUM PHARMACEUTICAL, INC [ COLL ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Convertible Preferred Stock	(1)	(1)	Common Stock	582,490(1)	(1)	I	By: Frazier Healthcare VI, L.P.(2)
Series B Convertible Preferred Stock	(1)	(1)	Common Stock	222,231(1)	(1)	I	By: Frazier Healthcare VI, L.P.(2)
Series C Convertible Preferred Stock	(1)	(1)	Common Stock	392,113(1)	(1)	I	By: Frazier Healthcare VI, L.P.(2)
Series D Convertible Preferred Stock	(1)	(1)	Common Stock	532,764(1)	(1)	I	By: Frazier Healthcare VI, L.P.(2)

Explanation of Responses:

1. All series of Convertible Preferred Stock will automatically convert into Collegium Pharmaceutical, Inc. common stock on a 1-for-6.9 basis immediately prior to the closing of the initial public offering and have no expiration date.

2. The shares are held by Frazier Healthcare VI, L.P. The general partner of Frazier Healthcare VI, L.P. is FHM VI, L.P., a limited partnership, the general partner of which is FHM VI, LLC. The members of FHM VI, LLC are Dr. Nathan Every, Alan Frazier, Nader Naini, Patrick Heron, and Dr. James Topper. These individuals share voting and investment power over the shares held by Frazier Healthcare VI, L.P. Mr. Heron disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest.

Remarks:

	/s/ Paul Brannelly as Attorney-In-Fact For Patrick Heron	05/06/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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                                POWER OF ATTORNEY



 Know all by these presents, that the undersigned hereby constitutes

and appoints each of Paul Brannelly and Michael T. Heffernan, with full power

to act singly, as the undersigned's true and lawful attorney-in-fact with full

power of substitution to:



 (1)  execute for and on behalf of the undersigned, in the

undersigned's capacity as an officer and/or director and/or beneficial owner

of Collegium Pharmaceutical Inc.  (the "Company"), Form ID Application,

Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act

of 1934, as amended and the rules thereunder;



 (2)  do and perform any and all acts for and on behalf of the

undersigned which may be necessary or desirable to complete and execute

any such Form ID Application, Forms 3, 4 or 5, complete and execute any

amendment or amendments thereto and timely file such forms with the

United States Securities and Exchange Commission and any stock exchange

or similar authority; and



 (3)  take any other action of any type whatsoever in connection

with the foregoing which, in the opinion of such attorney-in-fact, may be of

benefit to, in the best interest of, or legally required by, the undersigned,

it being understood that the documents executed by such attorney-in-fact

on behalf of the undersigned pursuant to this Power of Attorney shall be in

such form and shall contain such terms and conditions as such attorney-in-fact

may approve in such attorney-in-fact's discretion.



 The undersigned hereby grants to the attorney-in-fact full power and

authority to do and perform any and every act and thing whatsoever requisite,

necessary or proper to be done in the exercise of any of the rights and powers

herein granted, as fully to all intents and purposes as the undersigned might

or could do if personally present, with full power of substitution or revocation,

hereby ratifying and confirming all that such attorney-in-fact, or such

attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be

done by virtue of this power of attorney and the rights and powers herein

granted.



 This power of attorney shall remain in full force and effect until

revoked by the undersigned in a signed writing delivered to the attorney-in-fact.



 IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney

to be executed as of the 23rd day of April, 2015.







     /s/Patrick Heron

     Name: Patrick Heron

                                        Title: Director