Sec Form 4 Filing - Phillips Christopher Stephen @ System1, Inc. - 2022-04-19

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 Phillips Christopher Stephen 2. Issuer Name and Ticker or Trading Symbol System1, Inc. [ SST] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O SYSTEM1, INC., 4235 REDWOOD AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 04/19/2022 (Street) MARINA DEL REY, CA90066 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (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 04/19/2022 M( 1 )( 2 ) 500,000 A $ 11.5 1,225,000 I By Just Develop It Limited( 1 )( 2 ) Class A Common Stock 04/19/2022 F( 3 ) 285,459 D $ 20.14( 4 ) 939,541 I By Just Develop It Limited( 1 )( 2 ) Class A Common Stock 28,650,499 I By JDI & AFH Limited( 4 )

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 Warrants (Right to buy) $ 11.5 04/19/2022 M( 1 )( 2 ) 500,000 02/26/2022 01/27/2027 Class A common stock, par value $0.0001 per share 500,000 ( 1 )( 2 ) 0 I By Just Develop It Limited( 1 )( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Phillips Christopher Stephen C/O SYSTEM1, INC. 4235 REDWOOD AVENUE MARINA DEL REY, CA90066 X X Just Develop It Ltd LARCH HOUSE PARKLANDS BUSINESS PARK DENMEAD, HAMPSHIRE, X0PO7 6XP X JDI & AFH Ltd LARCH HOUSE LARCH HOUSE PARKLANDS BUSINESS PARK DENMEAD, X0PO7 6XP X Signatures By: /s/ Daniel Weinrot, Attorney-in-Fact for Christopher Stephen Phillips 04/21/2022 Signature of Reporting Person Date By: /s/ Daniel Weinrot, Attorney-in-Fact for Just Develop It Limited 04/21/2022 Signature of Reporting Person Date By: /s/ Daniel Weinrot, Attorney-in-Fact for JDI & AFH Limited 04/21/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On April 19, 2022, Just Develop It Limited ("JDI") exercised 500,000 warrants to purchase shares of the Class A common stock of the Company. JDI elected to exercise the warrants on a cashless basis (the "Cashless Exercise") pursuant to Section 3.3.1(c) of that certain Warrant Agreement, dated June 19, 2020 (the "Warrant Agreement"), by and between the Company and Continental Stock Transer & Trust Company (the "Warrant Agent"). ( 2 )(Continued from Footnote 1) Orchid Merger Sub I, Inc. ("Merger Sub I"), Orchid Merger Sub II, LLC ("Merger Sub II" and, together with Merger Sub I, the "Merger Subs"), System1 SS Protect Holdings, Inc. and the other parties signatory to that certain Business Combination Agreement, dated as of June 28, 2021 (as amended on November 30, 2021, January 10, 2022 and January 25, 2022). Pursuant to the Cashless Exercise, no shares of Class A common stock were sold by JDI but rather JDI forfeited shares of Class A common stock in an amount equal to the total exercise price of the underlying warrants that were subject to the Cashless Exercise. ( 3 )Represents shares of Class A common stock "withheld" in connection with the Cashless Exercise. Pursuant to Section 3.3.1(c) of the Warrant Agreement, the price was calculated as the average last reported sale price of the shares for the ten trading days ending on the third trading day prior to the date on which notice of exercise of the private placement warrant was sent to the Warrant Agent. ( 4 )JDI & AFH Limited ("J&A") is a private limited company organized under the laws of England and Wales, whose controlling stockholder is JDI. JDI may be deemed to indirectly beneficially own the securities held by J&A. Christopher Phillips, a director of the Company, is a director of J&A and JDI. JDI's controlling stockholder is Christopher Phillips. Mr. Phillips has voting and dispositive power over the securities held by J&A and JDI and thus may be deemed to beneficially own the shares held by J&A and JDI, but disclaims such beneficial ownership except to any pecuniary interest therein.

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).

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