FORM 4
[ X ] 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 OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response...
0.5
                      
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 *

Rottler Juergen
2. Issuer Name and Ticker or Trading Symbol

ARUBA NETWORKS, INC. [ ARUN ]
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)

1344 CROSSMAN AVENUE
3. Date of Earliest Transaction (MM/DD/YYYY)

5/18/2015
(Street)

SUNNYVALE, CA 94089
(City)        (State)        (Zip)
4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   5/18/2015     M (1)    3630.0   A $0.0   25273   D    
Common Stock   5/18/2015     M (1)    6187.0   A $0.0   31460   D    
Common Stock   5/18/2015     M (1)    5022.0   A $0.0   36482   D    
Common Stock   5/18/2015     M (1)    7533.0   A $0.0   44015   D    
Common Stock   5/18/2015     D    44015.0   D   (2) 0   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Non-Qualified Stock Option (right to buy)   $21.55   5/18/2015     D         25000.0    1/31/2012   (3) 1/30/2018   Common Stock   25000     (4) 0   D    
Restricted Stock Units   $0.0   5/18/2015     M         5022.0    12/5/2014   (1) 12/5/2015   Common Stock   5022     (4) 0   D    
Restricted Stock Units   $0.0   5/18/2015     M         3630.0    11/29/2013   (1) 11/29/2016   Common Stock   3630     (4) 0   D    
Restricted Stock Units   $0.0   5/18/2015     M         6187.0    12/5/2014   (1) 12/5/2017   Common Stock   6187     (4) 0   D    
Restricted Stock Units   $0.0   5/18/2015     M         7533.0    12/5/2014   (1) 12/5/2018   Common Stock   7533     (4) 0   D    

Explanation of Responses:
( 1)  Restricted Stock Units became fully vested and were settled for shares of Common Stock immediately prior to the consummation of the Merger, as defined below.
( 2)  44,015 shares were disposed of at the effective time of the merger of a subsidiary of Hewlett-Packard Company ("Hewlett-Packard") with and into the Issuer ("Merger") pursuant to the Agreement and Plan of Merger, dated as of March 2, 2015, by and among Hewlett-Packard Company, Aspen Acquisition Sub, Inc. and the Issuer (the "Merger Agreement") in exchange for $24.67 per share, without interest, and subject to deduction for any applicable withholding taxes (the "Merger Consideration"). Includes restricted stock units that became fully vested and were settled for shares of Common Stock immediately prior to the consummation of the Merger.
( 3)  The NQ stock option, which became fully vested as of January 31, 2015, was canceled in the Merger in exchange for a cash payment, representing the excess of the Merger Consideration over the exercise price of the option multiplied by the number of shares subject to the NQ stock option.
( 4)  This is not a reportable field.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Rottler Juergen
1344 CROSSMAN AVENUE
SUNNYVALE, CA 94089
X



Signatures
By: Carmen Elliott, Attorney in Fact For: Juergen Rottler 5/20/2015
** 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 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).
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.