Five9 officer plans sale of 2,658 shares

Five9, Inc. officer Leena K. Mansharamani files a Rule 144 notice to sell 2,658 shares of FIVN common stock following a prior 2,556-share sale in June 2026.

Rhea-AI Filing Summary

Five9, Inc. (FIVN) is the issuer for which officer Leena K. Mansharamani has filed a notice of proposed sale of company stock under Rule 144. The filing states an intention to sell up to 2,658 shares of common stock on or after September 3, 2026, through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $89,282.22 based on the pricing used in the notice. The shares are to be issued from Restricted Stock Units of the issuer.

The notice also reports that during the prior three months, on June 4, 2026, Mansharamani sold 2,556 shares of common stock of Five9, Inc. for an aggregate value of $63,414.36, which is included for Rule 144 aggregation purposes.

Key Figures

Proposed shares to be sold: 2,658 shares Aggregate market value of proposed sale: $89,282.22 Shares sold in prior 3 months: 2,556 shares +2 more

5 metrics

Proposed shares to be sold 2,658 shares Common stock of Five9, Inc. under Rule 144 notice on or after September 3, 2026

Aggregate market value of proposed sale $89,282.22 Value for 2,658 Five9, Inc. common shares stated in the Rule 144 filing

Shares sold in prior 3 months 2,556 shares Common stock of Five9, Inc. sold on June 4, 2026, reported for aggregation

Aggregate value of prior sale $63,414.36 Value for 2,556 shares of Five9, Inc. common stock sold on June 4, 2026

Security type Common stock from Restricted Stock Units Securities to be sold under the Rule 144 notice

Key Terms

Rule 144, Restricted Stock Units, aggregate market value, securities to be sold

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Common | 09/03/2026 | Restricted Stock Units | Issuer"

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.

aggregate market value financial

"COMMON | ... | 2658 | 89282.22 | ..."

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

securities to be sold regulatory

"Information is to be given not only as to the person for whose account the securities are to be sold"

FAQ

What does the Form 144 filed in relation to FIVN disclose?

It discloses that Leena K. Mansharamani, an officer of Five9, Inc. (FIVN), has filed a Rule 144 notice for a proposed sale of 2,658 shares of common stock derived from Restricted Stock Units, to be sold through a broker on or after September 3, 2026.

How many FIVN shares are proposed to be sold under this Rule 144 notice?

The notice covers a proposed sale of up to 2,658 shares of Five9, Inc. common stock, associated with Restricted Stock Units, with an aggregate market value of $89,282.22 as stated in the filing.

What prior sales of Five9, Inc. (FIVN) shares are reported in the last three months?

The filing reports that on June 4, 2026, Leena K. Mansharamani sold 2,556 shares of Five9, Inc. common stock, for an aggregate value of $63,414.36, which is disclosed for Rule 144 aggregation requirements.

Who is selling FIVN shares and in what capacity?

The seller is Leena K. Mansharamani, identified in the filing as an officer of Five9, Inc. The shares relate to her holdings and are proposed to be sold for her account under Rule 144.

Through which broker and market are the FIVN shares expected to be sold?

The proposed sale of Five9, Inc. common stock is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, with the securities indicated as trading on NASDAQ.

What type of equity awards are underlying the FIVN shares to be sold?

The filing identifies the securities to be sold as Restricted Stock Units of Five9, Inc., which are expected to result in 2,658 shares of common stock being available for sale under the Rule 144 notice.

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Available on EDGAR 09/03/2026 - 04:51 PM Accepted by SEC EDGAR 09/03/2026 - 04:32 PM Learn about SEC filing dates

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	0001846877
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 COM
SEC File Number	001-36383
Address of Issuer	3001 Bishop Drive, Suite 350 San Ramon CALIFORNIA 94583
Phone	9252012000
Name of Person for Whose Account the Securities are To Be Sold	LEENA K MANSHARAMANI
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	2658	89282.22	74723531	09/03/2026	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	09/03/2026	Restricted Stock Units	Issuer			2658	09/03/2026	N/A

* 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
LEENA K MANSHARAMANI 3001 Bishop Drive, Suite 350 San Ramon CA 94583	Common	06/04/2026	2556	63414.36

144: Remarks and Signature

Remarks
Date of Notice	09/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/04/2026
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	/s/ Leena K Mansharamani
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)