Sec Form 4 Filing - VERDOORN RON @ Silicon Graphics International Corp - 2013-08-12

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 VERDOORN RON 2. Issuer Name and Ticker or Trading Symbol Silicon Graphics International Corp [ SGI] 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 SGI, 46600 LANDING PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 08/12/2013 (Street) FREMONT, CA94538 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)

Common Stock 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 08/12/2013 M 5,000 A $ 10.88 57,750 D Common Stock 08/12/2013 S 5,000 ( 1 ) D $ 15.4494 ( 2 ) 52,750 D Common Stock 08/12/2013 M 6,333 A $ 10.88 59,083 D Common Stock 08/12/2013 S 6,333 ( 1 ) D $ 15.4792 ( 3 ) 52,750 D Common Stock 08/12/2013 M 625 A $ 5.07 53,375 D Common Stock 08/12/2013 S 625 ( 1 ) D $ 15.4627 ( 3 ) 52,750 D Common Stock 08/12/2013 M 3,029 A $ 5.6 55,779 D 08/12/2013 S 3,029 ( 1 ) D $ 15.48 52,750 D Common Stock 08/12/2013 M 5,000 A $ 5.34 57,750 D Common Stock 08/12/2013 S 5,000 ( 1 ) D $ 15.4676 ( 4 ) 52,750 D Common Stock 08/12/2013 M 4,375 A $ 5.34 57,125 D Common Stock 08/12/2013 S 4,375 ( 1 ) D $ 15.4627 ( 3 ) 52,750 D Common Stock 08/12/2013 M 1,971 A $ 5.07 54,721 D Common Stock 08/12/2013 S 1,971 ( 1 ) D $ 15.48 52,750 D Common Stock 08/13/2013 M 5,000 A $ 5.6 57,750 D Common Stock 08/13/2013 S 5,000 ( 1 ) D $ 15.98 52,750 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 Non-Qualified Stock Option (Right to Buy) $ 10.88 08/12/2013 M 11,333 ( 5 ) 03/16/2015 Common Stock 11,333 $ 0 0 D Non-Qualified Stock Option (Right to Buy) $ 5.07 08/12/2013 M 2,596 ( 6 ) 05/29/2019 Common Stock 2,596 $ 0 237 D Non-Qualified Stock Option (Right to Buy) $ 5.6 08/12/2013 M 3,029 ( 5 ) 06/01/2022 Common Stock 3,029 $ 0 16,971 D Non-Qu alified Stock Option (Right to Buy) $ 5.34 08/12/2013 M 9,375 ( 7 ) 08/11/2019 Common Stock 9,375 $ 0 625 D Non-Qualified Stock Option (Right to Buy) $ 5.6 08/13/2013 M 5,000 ( 5 ) 06/01/2022 Common Stock 5,000 $ 0 11,971 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other VERDOORN RON C/O SGI 46600 LANDING PARKWAY FREMONT, CA94538 X Signatures /s/ Jennifer Pratt as Attorney-In-Fact for Ron Verdoorn 08/14/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares acquired through option exercise and sold pursuant to Mr. Verdoorn's 10b5-1 Plan executed May 24, 2013. ( 2 )The price reported in Table 1, Column 4 reflects the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.64. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range. ( 3 )The price reported in Table 1, Column 4 reflects the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.63. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range. ( 4 )The price reported in Table 1, Column 4 reflects the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.65. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range. ( 5 )Such option shares are fully vested and fully exercisable. ( 6 )Such option shares vest in twelve (12) successive equal monthly installments during the Optionholder's Continuous Service over the twelve (12)-month period measured from the third anniversary of the grant date of May 29, 2009. ( 7 )Such option shares vest and become exercisable in a series of forty-eight (48) successive equal monthly installments measured from the grant date of August 11, 2009.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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