Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
Shmunis Vladimir
   2. Issuer Name and Ticker or Trading Symbol
RingCentral Inc [RNG] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO & Chairman
(Last)
(First)
(Middle)
C/O RINGCENTRAL, INC., 20 DAVIS DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
05/21/2018
(Street)

BELMONT, CA 94002		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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
Class A Common Stock 05/21/2018   C(1)   8,019 A $ 0 379,848 D  
Class A Common Stock 05/21/2018   S(2)   26,614 D $ 74.69 (3) 353,234 D  
Class A Common Stock 05/21/2018   S(2)   15,236 D $ 75.7 (4) 337,998 D  
Class A Common Stock 05/21/2018   S(2)   4,200 D $ 76.89 (5) 333,798 D  
Class A Common Stock 05/22/2018   C(1)   8,018 A $ 0 341,816 D  
Class A Common Stock 05/22/2018   S(2)   7,518 D $ 73.03 (6) 334,298 D  
Class A Common Stock 05/22/2018   S(2)   500 D $ 73.89 (7) 333,798 D  
Class A Common Stock 05/23/2018   C(1)   8,019 A $ 0 341,817 D  
Class A Common Stock 05/23/2018   S(2)   8,019 D $ 72.44 (8) 333,798 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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
Stock Option (right to buy) $ 1.1 05/21/2018   M     8,019   (9) 01/18/2020 Class B Common Stock 8,019 $ 0 208,482 D  
Class B Common Stock (10) 05/21/2018   M   8,019     (10)   (10) Class A Common Stock 8,019 $ 1.1 8,019 D  
Class B Common Stock (10) 05/21/2018   C(1)     8,019   (10)   (10) Class A Common Stock 8,019 $ 0 0 D  
Stock Option (right to buy) $ 1.1 05/22/2018   M     8,018   (9) 01/18/2020 Class B Common Stock 8,018 $ 0 200,464 D  
Class B Common Stock (10) 05/22/2018   M   8,018     (10)   (10) Class A Common Stock 8,018 $ 1.1 8,018 D  
Class B Common Stock (10) 05/22/2018   C(1)     8,018   (10)   (10) Class A Common Stock 8,018 $ 0 0 D  
Stock Option (right to buy) $ 1.1 05/23/2018   M     8,019   (9) 01/18/2020 Class B Common Stock 8,019 $ 0 192,445 D  
Class B Common Stock (10) 05/23/2018   M   8,019     (10)   (10) Class A Common Stock 8,019 $ 1.1 8,019 D  
Class B Common Stock (10) 05/23/2018   C(1)     8,019   (10)   (10) Class A Common Stock 8,019 $ 0 0 D  
Class B Common Stock (10)               (10)   (10) Class A Common Stock 5,893,107   5,893,107 I By ELCA Fund I, L.P. (11)
Class B Common Stock (10)               (10)   (10) Class A Common Stock 7,200   7,200 I By ELCA Fund II, L.P. (11)
Class B Common Stock (10)               (10)   (10) Class A Common Stock 7,200   7,200 I By ELCA Fund III, L.P. (11)
Class B Common Stock (10)               (10)   (10) Class A Common Stock 111   111 I By ELCA, LLC (11)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Shmunis Vladimir
C/O RINGCENTRAL, INC.
20 DAVIS DRIVE
BELMONT, CA 94002		   X   X   CEO & Chairman  
Shmunis Sandra
C/O RINGCENTRAL, INC.
20 DAVIS DRIVE
BELMONT, CA 94002		     X    
ELCA Fund I, LP
C/O RINGCENTRAL, INC.
20 DAVIS DRIVE
BELMONT, CA 94002		     X    
ELCA, LLC
C/O RINGCENTRAL, INC.
20 DAVIS DRIVE
BELMONT, CA 94002		     X    
ELCA Fund II, LP
C/O RINGCENTRAL, INC.
20 DAVIS DRIVE
BELMONT, CA 94002		     X    
ELCA Fund III, LP
C/O RINGCENTRAL, INC.
20 DAVIS DRIVE
BELMONT, CA 94002		     X    

Signatures

 /s/ Bruce P. Johnson, Attorney-in-fact for Vladimir Shmunis   05/23/2018
**Signature of Reporting Person Date
 /s/ Bruce P. Johnson, Attorney-in-fact for Sandra Shmunis   05/23/2018
**Signature of Reporting Person Date
 /s/ Bruce P. Johnson, Attorney-in-fact for Sandra Shmunis, a Managing Member of ELCA, LLC, the General Partners of ELCA Fund I, L.P.   05/23/2018
**Signature of Reporting Person Date
 /s/ Bruce P. Johnson, Attorney-in-fact for Sandra Shmunis, a Managing Member of ELCA, LLC   05/23/2018
**Signature of Reporting Person Date
 /s/ Bruce P. Johnson, Attorney-in-fact for Sandra Shmunis, a Managing Member of ELCA, LLC, the General Partner of ELCA Fund II, L.P.   05/23/2018
**Signature of Reporting Person Date
 /s/ Bruce P. Johnson, Attorney-in-fact for Sandra Shmunis, a Managing Member of ELCA, LLC, the General Partner of ELCA Fund III, L.P.   05/23/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Each Share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock.
(2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 14, 2017.
(3) Reflects weighted average sale price. Actual sale prices ranged from $74.35 to $75.30 on May 21, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(4) Reflects weighted average sale price. Actual sale prices ranged from $75.35 to $76.30 on May 21, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(5) Reflects weighted average sale price. Actual sale prices ranged from $76.35 to $77.15 on May 21, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(6) Reflects weighted average sale price. Actual sale prices ranged from $72.70 to $73.65 on May 22, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(7) Reflects weighted average sale price. Actual sale prices ranged from $73.70 to $74.10 on May 22, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(8) Reflects weighted average sale price. Actual sale prices ranged from $72.05 to $72.80 on May 23, 2018. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(9) Options are fully vested and exercisable.
(10) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock held by a shareholder will convert automatically into one share of Class A Common Stock upon (i) any transfer of such share (subject to certain exceptions), or (ii) the occurrence of certain other specific instances, including the vote of the holders of the Class B Common Stock, as set forth in the issuer's Amended and Restated Certificate of Incorporation.
(11) Vladimir Shmunis and Sandra Shmunis are the managing members of ELCA, LLC. ELCA, LLC is the general partner of ELCA Fund I, L.P., ELCA Fund II, L.P., and ELCA Fund III, L.P. By virtue of this relationship, Mr. Shmunis and Mrs. Shmunis may be deemed to share voting and dispositive power with respect to the shares held by ELCA Fund I, L.P., and certain of the shares held by ELCA Fund II, L.P. and ELCA Fund III, L.P. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

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