Sec Form 4 Filing - SoftBank Group Capital Ltd @ Guardant Health, Inc. - 2018-10-09

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 SoftBank Group Capital Ltd 2. Issuer Name and Ticker or Trading Symbol Guardant Health, Inc. [ GH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 69 GROSVENOR STREET 3. Date of Earliest Transaction (MM/DD/YY) 10/09/2018 (Street) LONDON, X0W1K 3JP 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 COMMON STOCK 10/09/2018 C 2,033,990 A 2,033,990 D ( 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 SERIES D PREFERRED STOCK ( 1 ) 10/09/2018 C 2,033,990 ( 1 ) ( 1 ) COMMON STOCK 2,033,990 ( 1 ) 0 D ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SoftBank Group Capital Ltd 69 GROSVENOR STREET LONDON, X0W1K 3JP X SOFTBANK GROUP CORP 1-9-1, HIGASHI-SHIMBASH MINATO-KU TOKYO, M0105-7303 X Signatures /s/Yoshimitsu Goto, Senior Executive Corporate Officer, CFO of SoftBank Group Corp 10/11/2018 Signature of Reporting Person Date /s/Robert Townsend, Director 10/11/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date. ( 2 )The shares are directly held by SoftBank Group Capital Limited, a wholly owned subsidiary of SoftBank Group Corp., a Japanese kabushiki kaisha. SoftBank Group Corp. may be deemed to have voting and dispositive power with respect to the shares held by SoftBank Group Capital Limited. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

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).

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