Matthew E. Tuckness - 04 Jun 2026 Form 4 Insider Report for Five9, Inc. (FIVN)

Reporting relationship: Chief Revenue Officer
Issuer ticker: FIVN
Reported as of: 04 Jun 2026
Net transaction value: -$214,482
SEC form: 4
Accepted by SEC: 08 Jun 2026, 17:27:54 UTC
Prior SEC filing: 06 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Tiffany Meriweather, Attorney in Fact

Key filing fact

Matthew E. Tuckness filed Form 4 for Five9, Inc. (FIVN) on 08 Jun 2026.

Key facts

This page summarizes Matthew E. Tuckness's Form 4 filing for Five9, Inc. (FIVN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Jun 2026, 17:27.

Change

Previous filing in this sequence was filed on 06 Mar 2026.
Current net transaction value: -$214,482.

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 0002080340 Primary reporting owner

Tuckness Matthew E.

Relationship: Chief Revenue Officer
Address: C/O FIVE9, INC., 3001 BISHOP DRIVE, SUITE 350, SAN RAMON
Signature: /s/ Tiffany Meriweather, Attorney in Fact
Signature date: 08 Jun 2026

Reported non-derivative transactions

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

FIVN transaction

Common Stock

Sale

Transaction value: $214,482
Shares: -8,645
Change %: -3%
Price: $24.81
Shares after: 281,492
Date: 04 Jun 2026
Ownership: Direct
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

The sale reported on this form represents a Five9, Inc. mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units, and it does not represent a discretionary trade by the Reporting Person.

Footnote F2

The price reported in Column 4 is a weighted average price applied to the transaction by the broker for sales to cover taxes upon vesting of restricted stock units for all employees of Five9, Inc., including the Reporting Person, on the date such sales occurred. The Reporting Person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.