Company: PTC
Filing Date: 2025-12-23
Form Type: DEFA14A
Source: 0001104659-25-124177
Chunk: 0

Company: PTC INC.
Filing Date: 2025-12-23
Form: DEFA14A
Chunk 0
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<div align='center'>UNITED STATESSECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No. )</div>

| x | Filed             
 by the Registrant |     | ¨ | Filed                                
 by a party other than the Registrant |

Check the appropriate box:

| ¨ | Preliminary                                                                     
 Proxy Statement                                                                 |
| ¨ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ¨ | Definitive Proxy Statement                                                      |
| x | Definitive Additional Materials                                                 |
| ¨ | Soliciting Material under §240.14a-12                                           |

<div align='center'>PTC Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement,
if other than the Registrant)</div>

PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY):

| x |     | No fee required                                                    |
| ¨ |     | Fee paid previously with preliminary                               
 materials                                                          |
| ¨ |     | Fee computed on table in exhibit                                   
 required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

| Your Vote Counts!                                                                                                                         
 Vote Virtually at the Meeting*                                                                                                            
 February 11, 2026                                                                                                                         
 11:15 a.m., EST                                                                                                                           
 Smartphone users                                                                                                                          
 Point your camera here and                                                                                                                
 vote without entering a                                                                                                                   
 control number                                                                                                                            
 For complete information and to vote, visit www.ProxyVote.com                                                                             
 Control #                                                                                                                                 
 V81985-P41826                                                                                                                             
 PTC INC.                                                                                                                                  
 121 SEAPORT BOULEVARD                                                                                                                     
 BOSTON, MA 02210                                                                                                                          
 PTC INC.                                                                                                                                  
 2026 Annual Meeting                                                                                                                       
 Vote by February 10, 2026                                                                                                                 
 11:59 PM ET                                                                                                                               
 You invested in PTC INC. and it’s time to vote!                                                                                           
 You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the                  
 availability of proxy materials for the shareholder meeting to be held on February 11, 2026.                                              
 Get informed before you vote                                                                                                              
 View the