Sec Form 4 Filing - Christiansen Bryan @ Vivint Solar, Inc. - 2020-10-08

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 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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Christiansen Bryan 2. Issuer Name and Ticker or Trading Symbol Vivint Solar, Inc. [ VSLR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) 1800 WEST ASHTON BLVD 3. Date of Earliest Transaction (MM/DD/YY) 10/08/2020 (Street) LEHI, UT84043 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 10/08/2020 D( 1 ) 49,939 D $ 0 108,109 D Common Stock 10/08/2020 D( 2 ) 108,109 D $ 0 0 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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) $ 3.45 10/08/2020 D( 3 ) 43,103 ( 4 ) 10/02/2027 Common Stock 43,103 $ 0 0 D Stock Option (Right to Buy) $ 5.2 10/08/2020 D( 3 ) 44,510 ( 5 ) 09/26/2028 Common Stock 44,510 $ 0 0 D Stock Option (Right to Buy) $ 5.23 10/08/2020 D( 3 ) 88,235 ( 6 ) 02/28/2029 Common Stock 88,235 $ 0 0 D Stock Option (Right to Buy) $ 7.39 10/08/2020 D( 3 ) 33,333 ( 7 ) 09/12/2029 Common Stock 33,333 $ 0 0 D Stock Option (Right to Buy) $ 8.21 10/08/2020 D( 3 ) 18,148 ( 8 ) 06/01/2030 Common Stock 18,148 $ 0 0 D Stock Option (Right to Buy $ 28.29 10/08/2020 D( 3 ) 7,928 ( 9 ) 09/08/2030 Common Stock 7,928 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Christiansen Bryan 1800 WEST ASHTON BLVD LEHI, UT84043 Chief Operating Officer Signatures /s/ Dana C. Russell, attorney-in-fact 10/08/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Disposed of pursuant to the Agreement and Plan of Merger, dated as of July 6, 2020 (the "Merger Agreement"), by and among Sunrun Inc. ("RUN"), Viking Merger Sub, Inc. and Vivint Solar, Inc. in exchange for 0.55 shares of RUN common stock per share. ( 2 )Pursuant to the Merger Agreement, the restricted stock units held by the Reporting Person were disposed of and converted into restricted stock units representing 0.55 shares of RUN common stock per share. ( 3 )Disposed of pursuant to the Merger Agreement and converted into an option to acquire 0.55 shares of RUN common stock per share. ( 4 )25% of the shares subject to this award will vest on September 6, 2018, and 1/16th of the shares subject to this award will vest on each quarterly vesting date thereafter. The term "quarterly vesting date" shall mean the sixth day of March, June, September and December of any fiscal year, as applicable. ( 5 )25% of the shares subject to this award will vest on September 6, 2019, and 1/16th of the shares subject to this award will vest on each quarterly vesting date thereafter. The term "quarterly vesting date" shall mean the sixth day of March, June, September and December of any fiscal year, as applicable. ( 6 )100% of the shares subject to this option will vest on March 6, 2022 subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through such date. Notwithstanding the foregoing, 100% of the shares subject to this option will fully vest upon a Change of Control (as defined in the Plan). ( 7 )25% of the Shares subject to this option will vest on September 6, 2020, and on each of the next 12 quarterly vesting dates, 1/16 of the shares subject to this option will vest, subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through such date. ( 8 )25% of the Shares subject to this Award will vest on June 6, 2021, and on each of the next 12 Quarterly Vesting Dates, 1/16 of the Shares subject to this Award will vest, subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through such date. ( 9 )25% of the Shares subject to this option will vest on September 6, 2021, and on each of the next 12 quarterly vesting dates, 1/16 of the shares subject to this option will vest, subject to the Reporting Person's continued service to the Issuer or any subsidiary of the Issuer through such date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.