Company: TENB
Filing Date: 2025-02-24
Form Type: S-8
Source: 0001660280-25-000035
Chunk: 3

Company: Tenable Holdings, Inc.
Filing Date: 2025-02-24
Form: S-8
Chunk 3
---
    10.4 |     | July 26, 2018     |
| 99.2           |     | Form of Restricted Stock Unit Grant Notice and Agreement under the 2018 Equity Incentive Plan                                                   |     | 10-Q                      |     | 001-38600   |     |    10.2 |     | August 2, 2023    |
| 99.3           |     | Form of Restricted Stock Unit Grant Notice and Agreement under the 2018 Equity Incentive Plan                                                   |     | 10-Q                      |     | 001-38600   |     |    10.1 |     | November 9, 2023  |
| 99.4           |     | 2018 Employee Stock Purchase Plan                                                                                                               |     | S-8                       |     | 333-226347  |     |    10.5 |     | July 26, 2018     |
| 99.5           |     | Form of Performance Restricted Stock Unit Grant Notice and Agreement                                                                            |     | 8-K                       |     | 001-38600   |     |    10.1 |     | February 28, 2022 |
| 107*           |     | Filing Fee Table                                                                                                                                |     |                           |     |             |     |         |     |                   |

___________

* Filed herewith

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### SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in Columbia, Maryland, on February 21, 2025.

| TENABLE HOLDINGS, INC. |     |                                                        |
| By:                    |     | /s/ Stephen A. Vintz                                   |
|                        |     | Stephen A. Vintz                                       |
|                        |     | Co-Chief Executive Officer and Chief Financial Officer |

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### POWER OF ATTORNEY

#### KNOW ALL PERSONS BY THESE PRESENTS
, that each person whose signature appears below constitutes and appoints Stephen A. Vintz and J. Barron Anschutz, and each or any one of them, as his