Company: TENB
Filing Date: 2025-04-03
Form Type: DEF 14A
Source: 0001660280-25-000058
Chunk: 1

Company: Tenable Holdings, Inc.
Filing Date: 2025-04-03
Form: DEF 14A
Chunk 1
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 statement.                                                             |     |                             |     | FOR                      |     |             34 |
| Conducting any other business properly brought before the Annual Meeting, including any adjournments or postponements of the meeting.                                                                    |     |                             |     |                          |     |                |

Each of these items of business is more fully described in the proxy statement accompanying this notice.

| Important Notice Regarding the Availability of Proxy Materials for the Virtual Stockholders' Meeting to Be Held on Wednesday, May 14, 2025 at 1:00 p.m. Eastern Time. |
|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| The proxy statement and annual report to shareholders                                                                                                                 
 are available at https://www.proxydocs.com/TENB.                                                                                                                      |

By Order of the Board of Directors,

Michelle VonderHaar Chief Legal Officer and Corporate Secretary

Columbia, MD
April 3, 2025

| You are cordially invited to attend the virtual annual meeting. Whether or not you expect to attend the meeting, please vote over the telephone or the Internet as instructed in these materials as promptly as possible in order to ensure your representation at the meeting. Even if you have voted by proxy, you may still vote online if you attend the virtual annual meeting. Please note, however, that if your shares are held of record by a broker, bank or other nominee and you wish to vote at the meeting, you must obtain a proxy issued in your name from that record holder. |

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| CONTENTS                                                                                                                           |     |      |
|                                                                                                                                    |     | Page |
| QUESTIONS AND ANSWERS ABOUT THESE PROXY MATERIALS AND VOTING                                                                       |     |    9 |
| PROPOSAL 1 ELECTION OF DIRECTORS                                                                                                   |     |   16 |
| Information Regarding the Board of Directors and Corporate Governance                                                              |     |   22 |
| Independence of the Board of Directors                                                                                             |     |   22 |
| Role of the Board in Risk Oversight                                                                                                |     |   23 |
| Meetings of the Board of Directors                                                                                                 |     |   23 |
| Information Regarding Committees of the Board of Directors                                                                         |     |   24 |
| Audit Committee                                                                                                                    |     |   24 |
| Compensation Committee                                                                                                             |     |   26 |
| Nominating and Corporate Governance Committee                                                                                      |     |   28 |
| Cybersecurity Risk Management Committee                                                                                            |     |   27 |
| Stockholder