[Form 4] Five9, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Five9 director Ramakrishna Sudhakar reported two non-derivative stock acquisitions on 09/26/2025, receiving 15,923 and 5,307 shares respectively for a total of 21,230 shares. The reported price for both transactions is $0. Following these transactions, Mr. Sudhakar beneficially owns 21,230 shares. The Form 4 was signed by an attorney-in-fact on 09/30/2025.

Positive

• Director reported acquisition of 21,230 common shares, increasing insider ownership
• Timely disclosure filed and signed by attorney-in-fact on 09/30/2025

Negative

• None.

Insights

Securities Analyst

TL;DR: Director reported acquisition of 21,230 common shares at a reported price of $0, a routine insider filing.

The Form 4 discloses two non-derivative acquisitions by director Ramakrishna Sudhakar on 09/26/2025 totaling 21,230 shares. The transactions are reported with a price of $0, indicating issuance or grant rather than a market purchase; the filing lacks additional context such as grant type or vesting. For investors, this is a disclosure of insider ownership change but contains no financial performance metrics or other material corporate events.

Corporate Governance Expert

TL;DR: Insider acquisition disclosed; filing provides ownership change but no explanatory detail.

The filing identifies Mr. Sudhakar as a director and shows beneficial ownership increasing to 21,230 shares after two acquisitions on the same date. The Form 4 does not include explanatory remarks or derivative activity. From a governance perspective, the document meets reporting requirements but does not supply information on the nature of the award, restrictions, or potential conflicts.

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

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

1. Name and Address of Reporting Person^*

Ramakrishna Sudhakar

(Last) (First) (Middle)

C/O FIVE9, INC.

3001 BISHOP DRIVE, SUITE 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/26/2025

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	09/26/2025		A		15,923	A	$0	15,923	D
Common Stock	09/26/2025		A		5,307	A	$0	21,230	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	09/30/2025
	** 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 transactions did Ramakrishna Sudhakar report on Five9 (FIVN)?

He reported two non-derivative acquisitions on 09/26/2025 of 15,923 and 5,307 common shares, totaling 21,230 shares.

What price was reported for the FIVN shares acquired by the director?

The Form 4 shows a reported price of $0 for both share acquisitions.

How many Five9 (FIVN) shares does the reporting person own after the transactions?

Following the reported transactions, the beneficial ownership is 21,230 common shares.

When was the Form 4 for FIVN signed and filed?

The signature on the Form 4 by an attorney-in-fact is dated 09/30/2025 and the transactions occurred on 09/26/2025.

Is there additional explanatory information about the nature of the acquisitions in the filing?

No. The filing contains no remarks or explanation about the grant type, vesting, or reason for the $0 price.