Company: TENB
Filing Date: 2025-04-03
Form Type: DEF 14A
Source: 0001660280-25-000058
Chunk: 35

Company: Tenable Holdings, Inc.
Filing Date: 2025-04-03
Form: DEF 14A
Chunk 35
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. All communications directed to the Audit Committee in accordance with the Company’s whistleblower policy that relate to questionable accounting or auditing matters involving the Company will be promptly and directly forwarded to the Audit Committee.

#### Code of Ethics
We have adopted the Tenable Code of Business Conduct and Ethics that applies to all officers, directors, employees and independent contractors. The Code of Business Conduct and Ethics is available on our website at www.investors.tenable.com . If we make any substantive amendments to the Code of Business Conduct and Ethics or grant any waiver from a provision of the Code to any executive officer or director, we will promptly disclose the nature of the amendment or waiver on our website.

#### Insider Trading Policy
We have adoptedan Insider Trading Policy that governs the purchase, sale, and other disposition of Company securities and applies to all Tenable personnel, including directors, officers, employees, and other covered persons. The Company also follows procedures for the repurchase of its securities. We believe our Insider Trading Policy and repurchase procedures are reasonably designed to promote compliance with insider trading laws, rules and regulations, and listing standards applicable to the Company. A copy of the Insider Trading Policy was filed as Exhibit 19.1 to our Annual Report on Form 10-K for the year ended December 31, 2024.

#### Hedging
Our Insider Trading Policy prohibits our employees, including our executive officers, and the non-employee members of our Board of Directors from engaging in short sales, transactions in put or call options, hedging transactions, using margin accounts, pledges, or other inherently speculative transactions involving our equity securities.

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#### PROPOSAL 2

### RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
The Audit Committee of the Board of Directors has selected Ernst & Young LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2025 and has further directed that management submit the selection of its independent registered public accounting firm for ratification by the stockholders at the Annual Meeting. Ernst & Young LLP has audited the Company’s financial statements since 2014. Representatives of Ernst & Young LLP are expected to be present online at the Annual Meeting. They will have an opportunity to make a statement if they so desire and will be available to respond to appropriate questions.

Neither the Company’s Bylaws nor other governing documents or laws require stockholder ratification of the selection of Ernst & Young LLP as the Company’s independent registered public accounting firm.