Charles H. Bell - 05 Oct 2026 Form 4 Insider Report for Tenable Holdings, Inc. (TENB)

Reporting relationship: Director
Issuer ticker: TENB
Reported as of: 05 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Oct 2026, 16:10:24 UTC
Prior SEC filing: 17 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ David Bartholomew, Attorney-in-Fact

Key filing fact

Charles H. Bell filed Form 4 for Tenable Holdings, Inc. (TENB) on 06 Oct 2026.

Key facts

This page summarizes Charles H. Bell's Form 4 filing for Tenable Holdings, Inc. (TENB).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 06 Oct 2026, 16:10.

Change

Previous filing in this sequence was filed on 17 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001971759 Primary reporting owner

Bell Charles H

Relationship: Director
Address: C/O TENABLE HOLDINGS, INC., 6100 MERRIWEATHER DRIVE, COLUMBIA
Signature: /s/ David Bartholomew, Attorney-in-Fact
Signature date: 06 Oct 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TENB transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +10,386
Change %
Price: $0.000000^*
Shares after: 10,386
Date: 05 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,386
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

Footnote F2

One third of the RSUs shall vest on each of October 5, 2027, October 5, 2028 and October 5, 2029, subject to the Reporting Person's continued service as a director through the applicable vesting dates and accelerated vesting in specified circumstances.