Five9 (FIVN) legal chief sells 9,526 shares in tax-related transaction

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Five9, Inc. Chief Admin. & Legal Officer Tiffany N. Meriweather reported a mandated sale of 9,526 shares of common stock. The shares were sold on an open-market basis at a weighted average price of $24.81 per share to cover tax withholding obligations from vesting restricted stock units. The filing notes this was not a discretionary trade by the officer. After the transaction, she directly holds 271,772 shares of Five9 common stock.

Insider Trade Summary

Net Seller: 9,526 shares ($236,340)

Net Sell 1 txn

Insider Meriweather Tiffany N.

Role Chief Admin. & Legal Officer

Sold 9,526 shs ($236K)

Type	Security	Shares	Price	Value
Sale	Common Stock	9,526	$24.81	$236K

Holdings After Transaction: Common Stock — 271,772 shares (Direct, null)

Footnotes (1)

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. 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.

Key Figures

Shares sold: 9,526 shares Sale price: $24.81 per share Shares held after transaction: 271,772 shares +1 more

4 metrics

Shares sold 9,526 shares Open-market sale on 2026-06-04 to cover RSU taxes

Sale price $24.81 per share Weighted average price applied by broker for tax-cover sales

Shares held after transaction 271,772 shares Direct holdings following tax-related sale

Net shares sold 9,526 shares Net-sell direction in transaction summary

Key Terms

restricted stock units, weighted average price, open-market sale, tax withholding obligations

4 terms

restricted stock units financial

"to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

weighted average price financial

"The price reported in Column 4 is a weighted average price applied to the transaction by the broker"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

tax withholding obligations financial

"mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting"

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Form 4 Insider Transactions: What Each Field Means →

06/08/2026 - 05:32 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Meriweather Tiffany N.

(Last)

(First)

(Middle)

C/O FIVE9, INC.

3001 BISHOP DRIVE, SUITE 350

(Street)

SAN RAMON

CALIFORNIA

94583

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Five9, Inc. [ FIVN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Admin. & Legal Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/04/2026		S		9,526⁽¹⁾	D	$24.81⁽²⁾	271,772	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 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.

2. 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.

Remarks:

	/s/ Leena Mansharamani, Attorney in Fact	06/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Five9 (FIVN) report for Tiffany N. Meriweather?

Five9 reported that Chief Admin. & Legal Officer Tiffany N. Meriweather sold 9,526 shares of common stock. The sale was mandated to cover tax withholding obligations arising from vesting restricted stock units, rather than being a discretionary investment decision by the officer.

At what price were Tiffany N. Meriweather’s Five9 (FIVN) shares sold?

The reported sale used a weighted average price of $24.81 per share. This price was applied by the broker for tax-cover sales related to restricted stock unit vesting for multiple Five9 employees, including Meriweather, on the transaction date.

How many Five9 (FIVN) shares does Tiffany N. Meriweather hold after this Form 4?

Following the reported sale, Tiffany N. Meriweather directly holds 271,772 shares of Five9 common stock. This figure reflects her position after the 9,526 shares were sold to satisfy tax withholding obligations tied to restricted stock unit vesting.

Was Tiffany N. Meriweather’s Five9 (FIVN) stock sale a discretionary trade?

The filing explicitly states the sale was not a discretionary trade. It was a Five9-mandated sale to cover tax withholding obligations when restricted stock units vested and settled, meaning it was a mechanical tax-related transaction rather than a voluntary portfolio decision.

Why did Five9 (FIVN) mandate a stock sale for Tiffany N. Meriweather?

The company mandated the sale to cover tax withholding obligations tied to the vesting and settlement of restricted stock units. Instead of paying taxes in cash, a portion of shares was automatically sold, a common practice for equity-based compensation events.

How was the weighted average price calculated in the Five9 (FIVN) insider sale?

The $24.81 weighted average price reflects broker-handled sales covering taxes for all participating Five9 employees on that date. The filing notes the reporting person can provide full details on the number of shares sold at each separate price upon request.