Leena Mansharamani - 03 Sep 2026 Form 4 Insider Report for Five9, Inc. (FIVN)

Reporting relationship: SVP, Chief Accounting Officer
Issuer ticker: FIVN
Reported as of: 03 Sep 2026
Net transaction value: -$220,712
SEC form: 4
Accepted by SEC: 08 Sep 2026, 19:06:47 UTC
Prior SEC filing: 08 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Tiffany Meriweather, Attorney in Fact

Key filing fact

Leena Mansharamani filed Form 4 for Five9, Inc. (FIVN) on 08 Sep 2026.

Key facts

This page summarizes Leena Mansharamani's Form 4 filing for Five9, Inc. (FIVN).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 08 Sep 2026, 19:06.

Change

Previous filing in this sequence was filed on 08 Jun 2026.
Current net transaction value: -$220,712.

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 0001846877 Primary reporting owner

Mansharamani Leena

Relationship: SVP, Chief Accounting Officer
Address: C/O FIVE9, INC., 3001 BISHOP DR., STE. #350, SAN RAMON
Signature: /s/ Tiffany Meriweather, Attorney in Fact
Signature date: 08 Sep 2026

Reported non-derivative transactions

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

FIVN transaction

Common Stock

Sale

Transaction value: $87,458
Shares: -2,558
Change %: -4.3%
Price: $34.19
Shares after: 56,476
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F1, F2, F3

FIVN transaction

Common Stock

Sale

Transaction value: $3,505
Shares: -100
Change %: -0.18%
Price: $35.05
Shares after: 56,376
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F1

FIVN transaction

Common Stock

Sale

Transaction value: $83,467
Shares: -2,505
Change %: -4.4%
Price: $33.32
Shares after: 53,871
Date: 04 Sep 2026
Ownership: Direct
Footnotes: F1, F4, F5

FIVN transaction

Common Stock

Sale

Transaction value: $6,776
Shares: -201
Change %: -0.37%
Price: $33.71
Shares after: 53,670
Date: 04 Sep 2026
Ownership: Direct
Footnotes: F1, F4, F6

FIVN transaction

Common Stock

Sale

Transaction value: $39,507
Shares: -1,253
Change %: -2.3%
Price: $31.53
Shares after: 52,417
Date: 08 Sep 2026
Ownership: Direct
Footnotes: F1, F7

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 7 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 4, 2026.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.98 to $34.57, inclusive. 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 within the ranges set forth in this footnote.

Footnote F3

Includes 1,336 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2026.

Footnote F4

The reported sales were to cover taxes upon the vesting of restricted stock units.

Footnote F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.65 to $33.65, inclusive. 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 within the ranges set forth in this footnote.

Footnote F6

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.69 to $33.75, inclusive. 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 within the ranges set forth in this footnote.

Footnote F7

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.17 to $31.92, inclusive. 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 within the ranges set forth in this footnote.