Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  WELCH SCOTT
2. Date of Event Requiring Statement (Month/Day/Year)
04/03/2014
3. Issuer Name and Ticker or Trading Symbol
Five9, Inc. [FIVN]
(Last)
(First)
(Middle)
C/O FIVE9, INC. BISHOP RANCH 8, 4000, EXECUTIVE PARKWAY, SUITE 400
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Cloud Operations
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN RAMON,, CA 94583
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy)   (1) 03/06/2024 Common stock 187,500 $ 12.24 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
WELCH SCOTT
C/O FIVE9, INC. BISHOP RANCH 8, 4000
EXECUTIVE PARKWAY, SUITE 400
SAN RAMON,, CA 94583
      EVP, Cloud Operations  

Signatures

/s/ Frances Dea, attorney-in-fact 04/03/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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).
(1) Option vests with respect to 25% of the shares subject to the option one year after March 3, 2014, and with respect to the remaining 75% of the shares subject to the option in 36 equal monthly installments thereafter.
 
Remarks:
Exhibit List
Exhibit 24 - Limited Power of Attorney

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