Five9 (FIVN) director Michael Burdiek awarded 8,972 common shares in Form 4

Rhea-AI Filing Summary

Five9, Inc. director Michael J. Burdiek received an award of 8,972 shares of Five9 common stock on May 20, 2026 at a stated price of $0.00 per share. Following this grant, he directly holds 40,832 shares of common stock. This was a grant or other acquisition reported on a Form 4, not an open-market purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Burdiek Michael J

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	8,972	$0.00	--

Holdings After Transaction: Common Stock — 40,832 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 8,972 shares Grant price: $0.00 per share Shares owned after: 40,832 shares +1 more

4 metrics

Shares granted 8,972 shares Common Stock grant on May 20, 2026

Grant price $0.00 per share Stated transaction price for awarded shares

Shares owned after 40,832 shares Total direct holdings after the grant

Net buy/sell shares 0 shares No net open-market buying or selling reported

Key Terms

Form 4, Common Stock, Grant, award, or other acquisition, transaction code "A"

4 terms

Form 4 regulatory

"reported on a Form 4, not an open-market purchase or sale"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Common Stock financial

"received an award of 8,972 shares of Five9 common stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction code description is Grant, award, or other acquisition"

transaction code "A" regulatory

"transaction code “A” in this Form 4 is described as a grant"

Form 4 Insider Transactions: What Each Field Means →

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^*

Burdiek Michael J

(Last) (First) (Middle)

C/O FIVE9, INC.

3001 BISHOP DR., STE. #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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		A		8,972	A	$0	40,832	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:

Remarks:

	/s/ Tiffany Meriweather, Attorney in Fact	05/22/2026
	** 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)

FAQ

What did Five9 (FIVN) director Michael J. Burdiek report in this Form 4?

Director Michael J. Burdiek reported receiving 8,972 shares of Five9 common stock. The shares were acquired as a grant or other acquisition at a stated price of $0.00 per share, rather than through an open-market purchase transaction.

How many Five9 (FIVN) shares does Michael J. Burdiek hold after this transaction?

After the reported grant, Michael J. Burdiek directly holds 40,832 shares of Five9 common stock. This total reflects his ownership immediately following the award of 8,972 shares reported in the Form 4 insider filing.

Was Michael J. Burdiek’s Five9 (FIVN) transaction an open-market buy or sale?

The transaction was not an open-market trade. It is coded as a Form 4 transaction type “A,” described as a grant, award, or other acquisition, with a transaction price of $0.00 per share, rather than a purchase or sale on the market.

What does transaction code “A” mean in the Five9 (FIVN) Form 4?

Transaction code “A” in this Form 4 is described as a grant, award, or other acquisition of shares. For Michael J. Burdiek, it reflects 8,972 Five9 common shares received at a stated price of $0.00 per share, increasing his direct holdings.

Does the Five9 (FIVN) Form 4 show any stock sales by Michael J. Burdiek?

The Form 4 shows no reported stock sales by Michael J. Burdiek. It only lists one acquisition transaction, an award of 8,972 Five9 common shares at a stated price of $0.00 per share, increasing his directly held position.