Five9 (FIVN) EVP Panos Kozanian sells 10,862 shares to cover RSU taxes

Rhea-AI Filing Summary

Five9, Inc. executive Panos Kozanian sold 10,862 shares of common stock in pre-planned transactions. On March 4, 2026, he completed open-market sales of 3,860 shares at a weighted average price of $17.78 and 7,002 shares at a weighted average price of $17.98.

The sales were executed under a Rule 10b5-1 trading plan adopted on May 14, 2025 and were reported as covering taxes due upon the vesting of restricted stock units. After these sales, Kozanian directly held 167,540 shares of Five9 common stock.

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).

X

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^*

Kozanian Panos

(Last) (First) (Middle)

C/O FIVE9, INC.

3001 BISHOP DR., STE. #350

(Street)

SAN RAMON CA 94583

(City) (State) (Zip)

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)
	EVP, Product Engineering

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/04/2026		S		3,860(1)(2)	D	$17.78(3)	174,542	D
Common Stock	03/04/2026		S		7,002(1)	D	$17.98(4)	167,540	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 14, 2025.

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

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.49 to $17.92, 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.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.92 to $18.07, 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.

Remarks:

	/s/ Tiffany Meriweather, Attorney in Fact	03/06/2026
	** 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.

FAQ

What insider transaction did Five9 (FIVN) report for Panos Kozanian?

Five9 reported that EVP of Product Engineering Panos Kozanian sold 10,862 shares of common stock on March 4, 2026. The sales were executed in two open-market transactions, both disclosed as part of a pre-arranged Rule 10b5-1 trading plan.

At what prices did Panos Kozanian sell Five9 (FIVN) shares?

Kozanian sold 3,860 Five9 shares at a weighted average price of $17.78 and 7,002 shares at a weighted average price of $17.98. The filing notes the actual trades occurred in price ranges between $17.49 and $18.07 per share.

Why did Panos Kozanian sell Five9 (FIVN) stock according to the Form 4?

The Form 4 states the reported Five9 share sales were made to cover taxes due upon the vesting of restricted stock units. This means the transactions were linked to equity compensation vesting rather than discretionary open-market selling for portfolio rebalancing.

Was the Five9 (FIVN) insider sale by Panos Kozanian under a 10b5-1 plan?

Yes. The filing specifies the sales were effected under a Rule 10b5-1 trading plan adopted by Kozanian on May 14, 2025. Such plans allow pre-scheduled trades, helping executives transact shares independently of short-term market developments.

How many Five9 (FIVN) shares does Panos Kozanian hold after the reported sales?

After the reported transactions, Kozanian directly held 167,540 shares of Five9 common stock. This post-transaction ownership figure reflects the reduction from the two March 4, 2026 open-market sales totaling 10,862 shares disclosed in the Form 4.

What price ranges applied to the Five9 (FIVN) insider sales on March 4, 2026?

The Form 4 explains each weighted average price reflects multiple trades. One sale involved prices between $17.49 and $17.92 per share, while the other covered trades between $17.92 and $18.07 per share, all within the same trading day.