Company: TENB
Filing Date: 2025-04-03
Form Type: DEF 14A
Source: 0001660280-25-000058
Chunk: 45

Company: Tenable Holdings, Inc.
Filing Date: 2025-04-03
Form: DEF 14A
Chunk 45
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 and growth for our business, our employees and our customers. You can find all disbursements for the Tenable PAC by visiting the Federal Election Commission website.

### EXECUTIVE OFFICERS
Our executive officers, and their respective ages as of April 3, 2025, are as follows:

| Name               |     | Age |     |    |     | Position(s)                                            |
| Executive Officers |     |     |     |    |     |                                                        |
| Stephen A. Vintz   |     |     |     | 56 |     | Co-Chief Executive Officer and Chief Financial Officer |
| Mark Thurmond      |     |     |     | 55 |     | Co-Chief Executive Officer and Chief Operating Officer |

| Stephen A. Vintz                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
 Stephen A. Vintz has served as our Chief Financial Officer since October 2014 and was appointed Co-Chief Executive Officer in December 2024. Mr. Vintz previously served as Executive Vice President and Chief Financial Officer of Vocus, Inc. Mr. Vintz received a B.B.A. in Accounting from Loyola University Maryland and is a Certified Public Accountant.                                                                                                                                |
| Mark Thurmond                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
 Mark Thurmond has served as the Company’s Chief Operating Officer since February 2020 and was appointed Co-Chief Executive Officer in December 2024. Prior to joining the Company, Mr. Thurmond served as the Chief Operating Officer of Turbonomic Inc. from September 2017 to February 2020 and as the Executive Vice President, Worldwide Sales and Services of QlikTech International AB from August 2015 to August 2017. Mr. Thurmond holds a B.S. in Psychology from Hofstra University. |

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### SECURITY OWNERSHIP OF

### CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
The following table sets forth certain information regarding the ownership of the Company’s common stock as of March 17, 2025 by: (i) each director and nominee for director; (ii) each of the executive officers named in the Summary Compensation Table; (iii) all executive officers and directors of the Company as a group; and (iv) all those known by the Company to be beneficial owners of more than five percent of its common stock.

|                                                                          |     | Beneficial Ownership(1) |     |                  |
| Beneficial Owner                                                         |     |        Number of Shares |