FIVN insider files Form 144 to sell 6,468 RSUs

FIVN insider reported a proposed sale of 6,468 RSUs.

Accepted by SEC EDGAR 03/03/2026 - 04:50 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

FIVN insider reported a proposed sale of 6,468 RSUs. The Form 144 filing lists the security as Common (RSU) with a filing date of 03/04/2026 and an RSU grant/vesting date of 03/03/202612/04/2025 for 139,438.20 is also shown.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 for FIVN report?

The filing reports a proposed sale of 6,468 RSUs by an affiliate. It lists the security as Common (RSU) with a filing date of 03/04/2026 and an RSU date of 03/03/2026.

Who else is named in the excerpt and what did they sell?

The excerpt names Tiffany Meriweather, who sold 6,852 common shares on 12/04/2025 for 139,438.20. That sale is listed in the "Securities Sold During The Past 3 Months" section.

Which broker or financial firm is listed on the Form 144 excerpt?

The form lists Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza. The broker information appears alongside the securities and filing details in the excerpt.

On which exchange is the security listed according to the excerpt?

The excerpt identifies the market as Nasdaq. The listing exchange is shown in the filing’s securities information alongside dates and share quantities.

What dates are shown on the Form 144 excerpt for the RSUs and filing?

The RSU date is 03/03/2026 and the Form 144 filing date is 03/04/2026. These dates are recorded in the securities-to-be-sold and filer information sections.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001886762
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Five9, Inc.
SEC File Number	001-36383
Address of Issuer	3001 Bishop Drive, Ste 350 San Ramon CALIFORNIA 94583
Phone	9252012000
Name of Person for Whose Account the Securities are To Be Sold	Tiffany Meriweather
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6468	112995.96	76550422	03/04/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/03/2026	RSU	Issuer			6468	03/03/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Tiffany Meriweather 3001 Bishop Dr. Suite 350 San Ramon CA 94583	Common	12/04/2025	6852	139438.2

144: Remarks and Signature

Remarks	The sale reported on this Form 144 represents an Issuer 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.
Date of Notice	03/03/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Tiffany Meriweather
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)