Company: TENB
Filing Date: 2025-04-03
Form Type: DEFA14A
Source: 0001660280-25-000060
Chunk: 0

Company: Tenable Holdings, Inc.
Filing Date: 2025-04-03
Form: DEFA14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of the

#### Securities Exchange Act of 1934
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¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

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¨ Soliciting Material Pursuant to § 240.14a-12

#### Tenable Holdings, Inc.
<div align='center'>(Name of Registrant as Specified In Its Charter)

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

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