Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * Talvitie Kristian 2. Issuer Name and Ticker or Trading Symbol PTC INC. [PTC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, Chief Financial Officer (Last) (First) (Middle) 121 SEAPORT BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 11/15/2025 (Street) BOSTON, MA 02210 4. If Amendment, Date 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 (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 11/15/2025 M 32,140 A $ 0 79,557(1) D Common Stock 11/15/2025 F 14,574(2) D $179.61 64,983 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(3)	11/15/2025		M			2,079	(4)	(4)	Common Stock	2,079	$ 0	0 (10)	D
Restricted Stock Units	(3)	11/15/2025		M			11,090	(4)	(4)	Common Stock	11,090	$ 0	0 (10)	D
Restricted Stock Units	(3)	11/15/2025		M			5,134	(5)	(5)	Common Stock	5,134	$ 0	0 (10)	D
Restricted Stock Units	(3)	11/15/2025		M			2,182	(6)	(6)	Common Stock	2,182	$ 0	2,693(10)	D
Restricted Stock Units	(3)	11/15/2025		M			5,387	(7)	(7)	Common Stock	5,387	$ 0	5,387(10)	D
Restricted Stock Units	(3)	11/15/2025		M			1,960	(8)	(8)	Common Stock	1,960	$ 0	4,307(10)	D
Restricted Stock Units	(3)	11/15/2025		M			4,308	(9)	(9)	Common Stock	4,308	$ 0	8,614(10)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Talvitie Kristian 121 SEAPORT BOULEVARD BOSTON, MA 02210			EVP, Chief Financial Officer

Signatures

/s/Sean McGrath by power of attorney filed 06/06/2023		11/17/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	Amount reflects 71 shares purchased under the 2016 Employee Stock Purchase Plan for the offering period ending January 31, 2025 and 64 shares purchased under the 2016 Employee Stock Purchase Plan for the offering period ending July 31, 2025.
(2)	Tendered to Issuer to satisfy tax withholding obligations of the Reporting Person incurred in connection with the vesting of the Reporting Person's restricted stock unit awards.
(3)	Each restricted stock unit represents a contingent right to receive one share of PTC Inc. common stock.
(4)	Performance-based RSUs granted on November 16, 2022 that could be earned for FY25 that were earned and vested on November 15, 2025.
(5)	RSUs granted on November 16, 2022 that vested on November 15, 2025.
(6)	Performance-based RSUs granted on November 15, 2023 that vest to the extent earned on November 15, 2024, 2025 and 2026.
(7)	RSUs granted on November 15, 2023 that vest in three substantially equal installments on November 15, 2024, 2025 and 2026.
(8)	Performance-based RSUs granted on November 13, 2024 that vest to the extent earned on November 15, 2025, 2026 and 2027.
(9)	RSUs granted on November 13, 2024 that vest in three substantially equal installments on November 15, 2025, 2026 and 2027.
(10)	This amount represents the total number of derivative securities beneficially owned of the class shown.

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