SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* CARROZZA ANTHONY (Last) (First) (Middle) C/O SGI 46600 LANDING PARKWAY (Street) FREMONT CA 94538 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Silicon Graphics International Corp [ SGI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) EVP, Worldwide Sales
	3. Date of Earliest Transaction (Month/Day/Year) 04/08/2013
	4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	04/08/2013		S		2,000(1)	D	$12.4259(2)	31,754	D
Common Stock	04/08/2013		M		2,000	A	$5.34	33,754	D
Common Stock	04/08/2013		S		2,000(3)	D	$12.4118(4)	31,754	D
Common Stock	04/08/2013		M		10,000	A	$9.44	41,754	D
Common Stock	04/08/2013		S		10,000(3)	D	$12.5(5)	31,754	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		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: 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)	$5.34	04/08/2013		M			2,000	(6)	08/11/2019	Common Stock	2,000	$12.4118(4)	2,865	D
Non-Qualified Stock Option (Right to Buy)	$9.44	04/08/2013		M			10,000	(7)	04/01/2018	Common Stock	10,000	$12.5(5)	0	D

Explanation of Responses:

1. Shares sold pursuant to Mr. Carrozza's 10b5-1 Plan executed March 7, 2013.

2. The price reported in Table 1, Column 4 reflects the weighted average per share sale price. These shares were sold in multiple transactions at prices ranging from $12.33 to $12.475 per share. 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. Shares acquired through option exercise and sold pursuant to Mr. Carrozza's 10b5-1 Plan executed March 7, 2013

4. The price reported in Table 1, Column 4 reflects the weighted average per share sale price. These shares were sold in multiple transactions at prices ranging from $12.32 to $12.475 per share. 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. The price reported in Table 1, Column 4 reflects the actual per share sale price, given all such shares were sold at $12.50 per share.

6. Non-Qualified Stock Option grant. The 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.

7. Non-Qualified Stock Option Grant. 25% of the shares vest one year from hire date; the balance of the shares vest and become exercisable in a series of twelve (12) successive equal quarterly installments measured from the first anniversary of hire date of February 25, 2008.

	/s/ Jennifer Pratt as Attorney-in-Fact for Anthony Carrozza	04/10/2013
	** 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).
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