SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Anderson Mark (Last) (First) (Middle) C/O PALO ALTO NETWORKS INC. 3300 OLCOTT STREET (Street) SANTA CLARA CA 95954 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/19/2012	3. Issuer Name and Ticker or Trading Symbol Palo Alto Networks Inc [ PANW ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) SVP of WW Field Ops	5. If Amendment, Date of Original Filed (Month/Day/Year)
			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 Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: 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
Employee Stock Option (right to buy)	(1)	06/04/2022	Common Stock	575,000	20.19	D

Explanation of Responses:

1. One-fourth of the shares subject to the option vest on June 5, 2013 and one forty-eighth of the shares vest monthly thereafter.

	/s/ Jeff True, Attorney-in-Fact for Mark F. Anderson	07/19/2012
	** 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).
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                               POWER OF ATTORNEY

The undersigned, as a Section 16 reporting person of Palo Alto Networks Inc.
(the "Company"), hereby constitutes and appoints Jeff True and Sonia Sexton, the
undersigned's true and lawful attorneys-in-fact to:

        1.      complete and execute Forms 3, 4 and 5 and other forms and all
                amendments thereto as such attorneys-in-fact shall in their
                discretion determine to be required or advisable pursuant to
                Section 16 of the Securities Exchange Act of 1934 (as amended)
                and the rules and regulations promulgated thereunder, or any
                successor laws and regulations, as a consequence of the
                undersigned's ownership, acquisition or disposition of
                securities of the Company; and

        2.      do all acts necessary in order to file such forms with the
                Securities and Exchange Commission, any securities exchange or
                national association, the Company and such other person or
                agency as the attorneys-in-fact shall deem appropriate.

        The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agent shall do or cause to be done by virtue hereof. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, is not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934 (as amended).

        This Power of Attorney shall remain in full force and effect until 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,
unless earlier revoked by the undersigned in a signed writing delivered to the
Company and the foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 17th day of July, 2012.

                                        Signature: /s/ Mark F. Anderson
                                                   ----------------------------

                                        Print Name: Mark F. Anderson
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