# EDGAR Filing Document

**Accession Number:** 0001660280
**File Stem:** 0001660280-26-000016
**Filing Date:** 2026-4
**Character Count:** 2242
**Document Hash:** 9f706abe4118c3fb5a6aa87a27927fe7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001660280-26-000016.hdr.sgml**: 20260402

**ACCESSION NUMBER**: 0001660280-26-000016

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260402

**DATE AS OF CHANGE**: 20260402

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Tenable Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001660280
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 475580846
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38600
- **FILM NUMBER:** 26833735

**BUSINESS ADDRESS:**
- **STREET 1:** 6100 MERRIWEATHER DRIVE
- **CITY:** COLUMBIA
- **STATE:** MD
- **ZIP:** 21044
- **BUSINESS PHONE:** 410-872-0555

**MAIL ADDRESS:**
- **STREET 1:** 6100 MERRIWEATHER DRIVE
- **CITY:** COLUMBIA
- **STATE:** MD
- **ZIP:** 21044

**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**

Filed by the Registrant&nbsp;&nbsp;&nbsp;&nbsp;🗷

Filed by a Party other than the Registrant&nbsp;&nbsp;&nbsp;&nbsp;◻

Check the appropriate box:

◻&nbsp;&nbsp;&nbsp;&nbsp;Preliminary Proxy Statement

◻&nbsp;&nbsp;&nbsp;&nbsp;Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

◻&nbsp;&nbsp;&nbsp;&nbsp;Definitive Proxy Statement

🗷&nbsp;&nbsp;&nbsp;&nbsp;Definitive Additional Materials

◻&nbsp;&nbsp;&nbsp;&nbsp;Soliciting Material Pursuant to § 240.14a-12

**Tenable Holdings, Inc.**

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box)

🗷&nbsp;&nbsp;&nbsp;&nbsp;No fee required.

◻&nbsp;&nbsp;&nbsp;&nbsp;Fee paid previously with preliminary materials.

◻&nbsp;&nbsp;&nbsp;&nbsp;Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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