Insider Trading Arrangements
shares in Thousands

3 Months Ended

Dec. 31, 2023

shares

Trading Arrangements, by Individual

Material Terms of Trading Arrangement

Director and Executive Officer Adoption, Modification or Termination of 10b5-1 Plans in Q1’24

Our section 16 officers and directors may enter into plans or arrangements for the purchase or sale of our securities that are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act. Such plans and arrangements must comply in all respects with our insider trading policies, including our policy governing entry into and operation of 10b5-1 plans and arrangements.

During the quarter ended December 31, 2023, the following Section 16 officers and directors adopted Rule 10b5-1 trading arrangements (as defined in Item 408 of Regulation S-K of the Exchange Act). All plans adopted covered only sales of PTC common stock. No plans were modified or terminated.

Name and Title of Director or Section 16 Officer	Date of Adoption, Modification, or Termination	Duration of the Plan	Aggregate Number of Shares of Common Stock that may be Sold under the Plan
Paul Lacy Director	Adopted December 1, 2023	Ends  December 31, 2024	7,500

Name

Paul Lacy

Title

Director

Rule 10b5-1 Arrangement Adopted

true

Adoption Date

December 1, 2023

Rule 10b5-1 Arrangement Terminated

false

Termination Date

December 31, 2024

Aggregate Available

7,500

Rule 10b51 Arr Modified Flag

false