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 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 *
Wong Rich
  2. Issuer Name and Ticker or Trading Symbol
Sunrun Inc. [RUN]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O ACCEL PARTNERS, 428 UNIVERSITY AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
08/03/2017
(Street)

PALO ALTO, CA 94301
4. If Amendment, Date 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
(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
Common Stock 08/03/2017   A   13,812 (1) A $ 0 13,812 D  
Common Stock               3,906,340 I Held by Accel X L.P. (2) (3)
Common Stock               293,182 I Held by Accel X Strategic Partners L.P. (3) (4)
Common Stock               156,828 I Held by Accel Investors 2009 L.L.C. (3) (5)
Common Stock               168,387 I Held by The Wong Family 2006 Trust dated 8/30/2006 (6)

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Wong Rich
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301
  X      

Signatures

 /s/ Jay Maloney, Attorney-in-Fact   08/07/2017
**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 is represented by a Restricted Stock Unit ("RSU"). The RSUs will fully vest on January 1, 2018, subject to the Reporting Person's continued service as of that date.
(2) Accel X Associates L.L.C. ("A10A") is the General Partner of Accel X L.P. ("A10") and has the sole voting and investment power. Richard P. Wong, a director of the Issuer, is a Managing Member of A10A and shares such powers with A10A's other Managing Members.
(3) Richard P. Wong, as a Managing Member, disclaims beneficial ownership except to the extent of his pecuniary interest therein.
(4) A10A is the General Partner of Accel X Strategic Partners L.P. ("A10SP") and has the sole voting and investment power. Richard P. Wong, a director of the Issuer, is a Managing Member of A10A and shares such powers with A10A's other Managing Members.
(5) Richard P. Wong, a director of the Issuer, is a Managing Member of Accel Investors 2009 L.L.C. and therefore shares the voting and investment powers with its other Managing Members.
(6) Richard P. Wong, a director of the Issuer, is Trustee of The Wong Family 2006 Trust dated 8/30/2006 and therefore has voting and investment powers.

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