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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person *   Gremley Robert C 2. Date of Event Requiring Statement (Month/Day/Year) 10/01/2015 3. Issuer Name and Ticker or Trading Symbol PTC INC. [PTC] (Last) (First) (Middle) 140 KENDRICK STREET 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, Technology Platforms 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEEDHAM, MA 02494 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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) Common Stock 0 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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 of Derivative Security: 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
Restricted Stock Units	  (2)	  (2)	Common Stock	8,622	$ (1)	D	Â
Restricted Stock Units	  (3)	  (3)	Common Stock	5,691	$ (1)	D	Â
Restricted Stock Units	  (4)	  (4)	Common Stock	11,660	$ (1)	D	Â
Restricted Stock Units	  (5)	  (5)	Common Stock	5,830	$ (1)	D	Â
Restricted Stock Units	  (6)	  (6)	Common Stock	15,173	$ (1)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gremley Robert C 140 KENDRICK STREET NEEDHAM, MA 02494	Â	Â	  EVP, Technology Platforms	Â

Signatures

Catherine Gorecki by power of attorney filed 3/13/2009		10/09/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Each restricted stock unit represents a contingent right to one share of PTC Inc. common stock.
(2)	Service-based RSUs awarded on November 5, 2012. These RSUs will vest on November 15, 2015.
(3)	Performance-based restricted stock units awarded on November 5, 2012 that may be earned only to the extent the established performance criteria are met. These RSUs are eligible to vest to the extent the performance criteria are met on the later of November 15, 2015 and the date the Compensation Committee determines the performance criteria have been achieved.
(4)	Service-based RSUs awarded on November 11, 2013. These RSUs vest in three substantially equal annual installments. These remaining two installments will vest on each of November 15, 2015 and November 15, 2016.
(5)	Performance-based restricted stock units awarded on November 11, 2013 that may be earned only to the extent the established performance criteria are met. Half of these RSUs are eligible to vest on the later of November 15, 2015 and the date the Compensation Committee determines the extent to which the performance criteria have been achieved. The remaining RSUs are eligible to vest on the later of November 15, 2016 and the date the Compensation Committee determines the extent to which the performance criteria for the period have been achieved.
(6)	Service-based RSUs awarded on November 10, 2014. These RSUs vest in three substantially equal annual installments on each of November 15, 2015, November 15, 2016 and November 15, 2017.

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