Sec Form 4 Filing - BELLUZZO RICHARD @ INFOBLOX INC - 2016-11-07

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 BELLUZZO RICHARD 2. Issuer Name and Ticker or Trading Symbol INFOBLOX INC [ BLOX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O INFOBLOX INC., 3111 CORONADO DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 11/07/2016 (Street) SANTA CLARA, CA95054 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 Common Stock 11/07/2016 D 11,500 D 11,000 D Common Stock 11/07/2016 D 11,000 ( 2 ) D 0 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 Employee Stock Option (right to buy)(NQ) $ 21.45 11/07/2016 D 28,500 ( 3 ) 02/25/2023 Common Stock 28,500 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BELLUZZO RICHARD C/O INFOBLOX INC. 3111 CORONADO DRIVE SANTA CLARA, CA95054 X Signatures Richard Belluzzo, by Stephen Yu, his Attorney-in-Fact 11/09/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the terms of the Agreement and Plan of Merger, dated September 16, 2016, (the "Merger Agreement"), by and among Delta Holdco, LLC, India Merger Sub, Inc., and Infoblox Inc. ("Issuer"), as of the Effective Time (as defined in the Merger Agreement), the shares shown on this line were converted into the right to receive $26.50 per share, net to the seller in cash, without interest (the "Merger Consideration"). ( 2 )Represents 11,000 shares subject to the issuance upon settlement of unvested RSUs, which, upon the Effective Time, were cancelled and converted into the right to receive an amount in cash equal to the product of the (i) Merger Consideration and (ii) the number of shares of Issuer common stock subject to such unvested RSUs, which shall remain subject to the Reporting Person's continued employment with the Issuer through each applicable vesting date, vest and be payable at the same time and on the same vesting schedule as applied to the cancelled unvested RSUs. ( 3 )Upon the Effective Time, this option was cancelled and converted into the right to receive an amount equal to (i) the aggregate number of Issuer Common Stock subject to such this option multiplied by (ii) the excess, if any, of the Merger Consideration over the per share exercise price of such the option.

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