Matthew Charles Brown - 21 May 2026 Form 4 Insider Report for Tenable Holdings, Inc. (TENB)

Reporting relationship: Chief Financial Officer
Issuer ticker: TENB
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 May 2026, 19:00:49 UTC
Prior SEC filing: 05 May 2026
Source filing: View source filing
Reporting owner signature: /s/ David Bartholomew, Attorney-in-Fact

Key filing fact

Matthew Charles Brown filed Form 4 for Tenable Holdings, Inc. (TENB) on 26 May 2026.

Key facts

This page summarizes Matthew Charles Brown's Form 4 filing for Tenable Holdings, Inc. (TENB).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 May 2026, 19:00.

Change

Previous filing in this sequence was filed on 05 May 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 0001766979 Primary reporting owner

Brown Matthew Charles

Relationship: Chief Financial Officer
Address: C/O TENABLE HOLDINGS, INC., 6100 MERRIWEATHER DRIVE, COLUMBIA
Signature: /s/ David Bartholomew, Attorney-in-Fact
Signature date: 26 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TENB transaction

Common Stock

Options Exercise

Transaction value
Shares: +14,544
Change %: +48%
Price: $0.000000^*
Shares after: 45,085
Date: 21 May 2026
Ownership: Direct

TENB transaction

Common Stock

Tax liability

Transaction value
Shares: -5,219
Change %: -12%
Price: $25.17^*
Shares after: 39,866
Date: 21 May 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

TENB transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -14,544
Change %: -7.1%
Price: $0.000000^*
Shares after: 189,080
Date: 21 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,544
Exercise price
Footnotes: F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale.

Footnote F2

Each RSU represents a contingent right to receive one share of Issuer common stock.

Footnote F3

The RSUs will vest in 16 equal quarterly instalments over 4 years starting November 21, 2025, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.