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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1. Name and Address of Reporting Person *   Risk Gerald Alan 2. Date of Event Requiring Statement (Month/Day/Year) 08/04/2015 3. Issuer Name and Ticker or Trading Symbol Sunrun Inc. [RUN] (Last) (First) (Middle) 595 MARKET STREET, 29TH FLOOR 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN FRANCISCO, CA 94105 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
Series A Preferred Stock	  (1)	  (1)	Common Stock	366,306	$ (1)	I	See footnote (2)
Series B Preferred Stock	  (3)	  (3)	Common Stock	87,606	$ (3)	I	See footnote (2)
Series E Preferred Stock	  (4)	  (4)	Common Stock	36,142	$ (4)	I	See footnote (2)
Employee Stock Option (right to buy)	  (5)	03/16/2024	Common Stock	120,000	$ 5.88	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Risk Gerald Alan 595 MARKET STREET, 29TH FLOOR SAN FRANCISCO, CA 94105	  X	Â	Â	Â

Signatures

/s/ Jay Maloney, Attorney-in-Fact		08/04/2015
**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)	The Series A Preferred Stock is convertible into Common Stock on a 1:1 basis and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering, all shares of Series A Preferred Stock will be converted into shares of Common Stock.
(2)	The shares are held of record by the Reporting Person and the Reporting Person's spouse as co-trustees of the Risk Family Trust dated June 23, 2006.
(3)	The Series B Preferred Stock is convertible into Common Stock on a 1:1 basis and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering, all shares of Series B Preferred Stock will be converted into shares of Common Stock.
(4)	The Series E Preferred Stock is convertible into Common Stock on a 1:1 basis and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering, all shares of Series E Preferred Stock will be converted into shares of Common Stock.
(5)	25% of the shares subject to the option vested on July 31, 2014, and 1/30 of the remaining shares vest monthly thereafter.
  Remarks: Exhibit 24 - Power of Attorney

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