FORM 3
        	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Dietzen Scott	2. Date of Event Requiring Statement (MM/DD/YYYY)
10/6/2015 
	3. Issuer Name and Ticker or Trading Symbol

Pure Storage, Inc. [PSTG]	
(Last)        (First)        (Middle)

650 CASTRO STREET, SUITE 400	4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                            _____ 10% Owner
___ X ___ Officer (give title below)          _____ Other (specify below)
Chief Executive Officer /	
(Street)

MOUNTAIN VIEW, CA 94041       

(City)              (State)              (Zip)	5. If Amendment, Date Original Filed (MM/DD/YYYY)

	6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Beneficially Owned	
1.Title of Security
(Instr. 4)	2. Amount of Securities Beneficially Owned
(Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)	4. Nature of Indirect Beneficial Ownership
(Instr. 5)	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 4)	2. Date Exercisable and Expiration Date
(MM/DD/YYYY)	3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)	6. Nature of Indirect Beneficial Ownership
(Instr. 5)	
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares				
Stock Option (right to buy)  	  (1)	1/29/2024  	Class B Common Stock   (2)	300000  	$2.575  	D  	 	
Stock Option (right to buy)  	  (3)	3/27/2024  	Class B Common Stock   (2)	600000  	$2.98  	D  	 	
Stock Option (right to buy)  	  (4)	9/22/2025  	Class B Common Stock   (2)	83333  	$17.00  	D  	 	
Stock Option (right to buy)  	  (5)	9/22/2025  	Class B Common Stock   (2)	125000  	$17.00  	D  	 	
Class B Common Stock  	  (2)	  (2)	Class A Common Stock  	5906083   (6)	  (2)	I  	By Trust   (7)	
Class B Common Stock  	  (2)	  (2)	Class A Common Stock  	1400000  	  (2)	I  	By Trust   (8)	

Explanation of Responses:	
(  1) 	1/12 of the Option vests in equal monthly installments one month from 3/20/2017. The option shall be subject to accelerated vesting as set forth in optionee's employment agreement with the Issuer.	
(  2) 	Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-206312) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, (ii) the affirmative vote of the holders of Class B Common Stock representing not less than a majority of the outstanding shares of Class B Common Stock, or (iii) October 6, 2025.	
(  3) 	1/24 of the Option vests in equal monthly installments one month from 4/1/2018. The option shall be subject to accelerated vesting as set forth in optionee's employment agreement with the Issuer.	
(  4) 	The option vests in twelve (12) equal monthly installments beginning on January 1, 2020. 1/12 of the Option vests in equal monthly installments one month from 1/1/2020. The option shall be subject to accelerated vesting in accordance with the terms of the Issuer's change in control severance benefit plan.	
(  5) 	The option vests in twelve (12) equal monthly installments beginning on January 1, 2021. 1/12 of the Option vests in equal monthly installments one month from 1/1/2021. The option shall be subject to accelerated vesting in accordance with the terms of the Issuer's change in control severance benefit plan.	
(  6) 	692,356 of the shares are unvested and subject to the Issuer's right of repurchase. The shares vest monthly over a period of 30 months from 12/20/2014 in an amount equal to one-thirtieth of the number of shares subject to each month. The option shall be subject to accelerated vesting as set forth in optionee's employment agreement with the Issuer.	
(  7) 	Shares are held by Scott Dietzen and Katherine Dietzen, Co-Trustees of the Dietzen Living Trust, dated January 16, 2009.	
(  8) 	Shares are held by JP Morgan Trust Company of Delaware, as Trustee of the Dietzen Family Irrevocable Trust GST Exempt Trust under agreement dated March 25, 2014.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Dietzen Scott
650 CASTRO STREET, SUITE 400
MOUNTAIN VIEW, CA 94041	X		Chief Executive Officer		

Signatures		
/s/ John T. McKenna, attorney-in-fact		10/6/2015	
** Signature of Reporting Person		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 5(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 control number.	

POWER OF ATTORNEY
 Know all by these presents, that the undersigned hereby constitutes and appoints each of Joe FitzGerald, Todd Wheeler, Adriana Botto, Auddrena Mauga, Tim Riitters, Mona Chu, Mark Tanoury and John McKenna, signing individually, the undersigned's true and lawful attorneys-in fact and agents to:
(1) execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director or beneficial owner of more than 10% of a registered class of securities of Pure Storage, Inc. (the "Company"), Forms 3, 4 and 5 (including any amendments thereto) in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") and the rules thereunder and a Form ID, Uniform Application for Access Codes to File on EDGAR;
(2) do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to execute such Forms 3, 4 or 5 or Form ID (including any amendments thereto) and timely file such forms with the United States Securities and Exchange Commission and any stock exchange or similar authority; and
(3) take any other action of any nature whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion. The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Exchange Act. This Power of Attorney shall remain in full force and effect until the earliest to occur of (a) the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, (b) revocation by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact or (c) as to any attorney-in-fact individually, until such attorney-in-fact is no longer employed by the Company or Cooley LLP. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of August 24, 2015.

/s/ Scott Dietzen
SCOTT DIETZEN