Sec Form 4 Filing - Santiago Todd M @ Vivint Smart Home, Inc. - 2023-03-10

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

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1. Name and Address of Reporting Person Santiago Todd M 2. Issuer Name and Ticker or Trading Symbol Vivint Smart Home, Inc. [ VVNT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Revenue Officer (Last) (First) (Middle) C/O VIVINT SMART HOME, INC., 4931 NORTH 300 WEST 3. Date of Earliest Transaction (MM/DD/YY) 03/10/2023 (Street) PROVO, UT84604 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 Class A Common Stock 03/10/2023 D( 1 ) 888,873 D $ 12 ( 1 ) 0 D Class A Common Stock 03/10/2023 D( 1 ) 213,985 D $ 12 ( 1 ) 0 I See Footnote ( 2 )

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 Restricted Stock Units ( 3 ) 03/10/2023 D( 1 )( 4 )( 5 ) 99,085 ( 5 ) ( 5 ) Class A Common Stock 99,085 ( 4 ) 0 D Restricted Stock Units ( 3 ) 03/10/2023 D( 1 )( 4 )( 6 ) 54,506 ( 6 ) ( 6 ) Class A Common Stock 54,506 ( 4 ) 0 D Restricted Stock Units ( 3 ) 03/10/2023 D( 1 )( 4 )( 7 ) 349,650 ( 7 ) ( 7 ) Class A Common Stock 349,650 ( 4 ) 0 D Restricted Stock Units ( 3 ) 03/10/2023 D( 1 )( 4 )( 8 ) 147,321 ( 8 ) ( 8 ) Class A Common Stock 147,321 ( 4 ) 0 D Restricted Stock Units ( 3 ) 03/10/2023 D( 1 )( 4 )( 9 ) 54,506 ( 9 ) ( 9 ) Class A Common Stock 54,506 ( 4 ) 0 D Restricted stock units ( 3 ) 03/10/2023 D( 1 )( 4 )( 10 ) 147,321 ( 10 ) ( 10 ) Class A Common Stock 147,321 ( 4 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Santiago Todd M C/O VIVINT SMART HOME, INC. 4931 NORTH 300 WEST PROVO, UT84604 Chief Revenue Officer Signatures /s/ Garner B. Meads, III, as Attorney-in-Fact 03/14/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On March 10, 2023, NRG Energy, Inc. ("NRG") acquired Vivint Smart Home, Inc. (the "Issuer") pursuant to that certain Agreement and Plan of Merger dated as of December 6, 2022 (the "Merger Agreement") by and among the Issuer, NRG and Jetson Merger Sub, Inc., a wholly owned subsidiary of NRG ("Merger Sub"). In accordance with the Merger Agreement, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of NRG. At the effective time of the Merger (the "Effective Time"), each issued and outstanding share of Class A common stock, par value $0.0001 per share, of the Issuer (the "Common Stock") (other than certain excluded shares) automatically converted into the right to receive $12.00 per share in cash, without interest (the "Merger Consideration"). ( 2 )Reflects securities held by a trust for the benefit of the Reporting Person's family of which the Reporting Person is a trustee. ( 3 )Each restricted stock unit ("RSU") represented a contingent right to receive one share of Common Stock. The RSUs were to be settled in either Common Stock or cash. ( 4 )Pursuant to the Merger Agreement, unvested RSUs of the Issuer were automatically converted into a number of NRG RSUs calculated as the product of (i) the number of shares underlying such Issuer RSU award and (ii) the ratio of the Merger Consideration divided by the average of the closing sales price of NRGs common stock, par value $0.01 per share for the ten (10) consecutive full trading days ending on the trading day immediately preceding the closing date (the "Exchange Ratio"). Such NRG RSUs will continue to be subject to the same terms and conditions (including vesting and termination treatment) as were applicable to the Issuer RSUs. ( 5 )Reflects an initial grant of 396,341 RSUs. The remaining grant vests on January 17, 2024. ( 6 )Reflects an initial grant of 109,012 RSUs. The remaining grant vests in two equal annual installments beginning on March 1, 2024. ( 7 )Reflects an initial grant of 466,200 RSUs. The remaining grant vests in three equal annual installments beginning on September 1, 2023. ( 8 )Reflects an initial grant of 196,429 RSUs. The remaining grant vests in three equal annual installments beginning on March 1, 2024. ( 9 )Reflects performance-based RSUs previously granted to the Reporting Person, the performance of which was certified on March 1, 2022. Upon certification of the award, the Reporting Person immediately vested and settled into 27,253 shares of Common Stock (less amounts withheld for tax withholding) and 81,759 RSUs that were scheduled to vest in three equal annual installments beginning on March 1, 2023. On March 1, 2023, 27,253 RSUs vested and settled into shares of Common Stock and the remaining grant vests in two equal annual installments beginning on March 1, 2024. ( 10 )Reflects performance-based RSUs previously granted to the Reporting Person, the performance of which was certified on March 1, 2023. Upon certification of the award, the Reporting Person received 49,107 shares of Common Stock of the Issuer (less amounts withheld for tax withholding) and will receive 147,321 shares (or the cash-equivalent thereof) in three equal annual installments beginning on March 1, 2024.

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