Sec Form 4 Filing - Colgrove John @ Pure Storage, Inc. - 2018-02-27

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 Colgrove John 2. Issuer Name and Ticker or Trading Symbol Pure Storage, Inc. [ PSTG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) 650 CASTRO ST 3. Date of Earliest Transaction (MM/DD/YY) 02/27/2018 (Street) MOUNTAIN VIEW, CA94041 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 02/27/2018 A 20,001 ( 1 ) A $ 0 71,851 D Class A Common Stock 02/27/2018 A 20,001 ( 2 ) A $ 0 91,852 D Class A Common Stock 02/27/2018 A 20,001 ( 3 ) A $ 0 111,853 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Colgrove John 650 CASTRO ST MOUNTAIN VIEW, CA94041 X Chief Technology Officer Signatures /s/ Joseph T. FitzGerald, attorney-in-fact 03/01/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares of Class A Common Stock are to be acquired upon the vesting of a Performance-Based Restricted Stock Unit ("PRSU") award granted to the Reporting Person. The Issuer's Compensation Committee (the "Committee") authorized the issuance of the underlying Class A Common Stock based upon the Company's achievement against a financial target set by the Committee on March 30, 2017. The performance period for the award was February 1, 2017 to January 31, 2018, with vesting subject to a determination of performance achievement by the Committee, which was approved on February 27, 2018. As a result, this PRSU award shall vest in full on April 5, 2018, subject to Reporting Person's Continuous Service (as defined in the Issuer's 2015 Equity Incentive Plan) through such date. ( 2 )The shares of Class A Common Stock are to be acquired upon the vesting of a PRSU award granted to the Reporting Person. The Committee authorized the issuance of the underlying Class A Common Stock based upon the Company's achievement level against a financial target set by the Committee on March 30, 2017. The performance period for the award was February 1, 2017 to January 31, 2018, with vesting subject to a determination of performance achievement by the Committee, which was approved on February 27, 2018. As a result, 1/4th of this PRSU award shall vest on each of July 5, 2018, October 5, 2018, January 5, 2019 and April 5, 2019, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2015 Equity Incentive Plan) through such dates. ( 3 )The shares of Class A Common Stock are to be acquired upon the vesting of a PRSU award granted to the Reporting Person. The Committee authorized the issuance of the underlying Class A Common Stock based upon the Company's achievement level against a financial target set by the Committee on March 30, 2017. The performance period for the award was February 1, 2017 to January 31, 2018, with vesting subject to a determination of performance achievement by the Committee, which was approved on February 27, 2018. As a result, 1/4th of this PRSU award shall vest on each of July 5, 2019, October 5, 2019, January 5, 2020 and April 5, 2020, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2015 Equity Incentive Plan) through such dates.

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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