Item 10. Directors, Executive Officers and Corporate Governance

The information required by this item not set forth below may be found under the headings “Corporate Governance and the Board of Directors," “Insider Trading Policies and Procedures,” "Our Executive Officers," “Delinquent Section 16(a) Reports,” and “Transactions with Related Persons” appearing in our 2025 Proxy Statement. Such information is incorporated herein by reference.

Code of Ethics for Senior Executive Officers

We have adopted a Code of Ethics for Senior Executive Officers that applies to our President and Chief Executive Officer, Chief Financial Officer, and Chief Accounting Officer, as well as others. The Code is embedded in our Code of Business Conduct and Ethics applicable to all employees. A copy of the Code of Business Conduct and Ethics is publicly available on our website at www.ptc.com. If we make any substantive amendments to, or grant any waiver from, including any implicit waiver, the Code of Ethics for Senior Executive Officers to or for our President and Chief Executive Officer, Chief Financial Officer or Chief Accounting Officer, we will disclose the nature of such amendment or waiver in a current report on Form 8-K.

Changes to Shareholder Director Nomination Procedures

As described in Item 9B of this Annual Report, our By-Laws were amended and restated on November 14, 2024 to, among other things, revise the advance notice provisions of the By-Laws to expand the informational and other requirements for shareholder proponents and director nominees in connection with shareholder director nominations. Those provisions are set forth in Section 2.3 of the Amended and Restated By-Laws filed as Exhibit 3.2 to this Annual Report and incorporated herein by reference.