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* Caine Brett (Last) (First) (Middle) C/O CITRIX SYSTEMS, INC. 851 WEST CYPRESS CREEK ROAD (Street) FORT LAUDERDALE FL 33309 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol CITRIX SYSTEMS INC [ CTXS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) SVP, Online Services Division
	3. Date of Earliest Transaction (Month/Day/Year) 02/16/2011
	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	02/16/2011		M		20,000	A	$39.86	53,511(2)	D
Common Stock	02/16/2011		S		16,379(1)	D	$72.099(3)	37,132	D
Common Stock	02/16/2011		S		3,621(1)	D	$72.65(4)	33,511	D
Common Stock	02/16/2011		M		15,000	A	$36.83	48,511	D
Common Stock	02/16/2011		S		12,582(1)	D	$72.11(5)	35,929	D
Common Stock	02/16/2011		S		2,418(1)	D	$72.661(6)	33,511	D
Common Stock	02/16/2011		M		11,459	A	$32.75	44,970	D
Common Stock	02/16/2011		S		9,759(1)	D	$72.112(7)	35,211	D
Common Stock	02/16/2011		S		1,700(1)	D	$72.662(8)	33,511	D
Common Stock	02/16/2011		M		10,418	A	$26.64	43,929	D
Common Stock	02/16/2011		S		8,998(1)	D	$72.125(9)	34,931	D
Common Stock	02/16/2011		S		1,420(1)	D	$72.66(10)	33,511	D
Common Stock	02/16/2011		M		28,754	A	$20.09	62,265	D
Common Stock	02/16/2011		S		23,333(1)	D	$72.094(11)	38,932	D
Common Stock	02/16/2011		S		5,421(1)	D	$72.652(12)	33,511	D
Common Stock								13,637	I	Susan M. Caine and Brett M. Caine Trust(13)

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
Stock Option (Right to Buy)	$39.86	02/16/2011		M			20,000	10/01/2008(14)	10/01/2012	Common Stock	20,000	$0	0	D
Stock Option (Right to Buy)	$36.83	02/16/2011		M			15,000	12/03/2008(14)	12/03/2012	Common Stock	15,000	$0	0	D
Stock Option (Right to Buy)	$32.75	02/16/2011		M			11,459	04/30/2009(14)	04/30/2013	Common Stock	11,459	$0	1,041	D
Stock Option (Right to Buy)	$26.64	02/16/2011		M			10,418	07/31/2009(14)	07/31/2013	Common Stock	10,418	$0	2,082	D
Stock Option (Right to Buy)	$20.09	02/16/2011		M			28,754	03/02/2010(14)	03/02/2014	Common Stock	28,754	$0	16,246	D

Explanation of Responses:

1. This sale was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person.

2. Total reflects a transfer of 370 shares to the the Susan M. Caine and Brett M. Caine Trust (the "Caine Trust") on August 19, 2010, which were acquired under the Citrix Systems, Inc. stock purchase plan on July 30, 2010. Includes 301 shares acquired under the Citrix Systems, Inc. stock purchase plan on February 1, 2011.

3. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $71.582 to $72.57.

4. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $72.58 to $72.79.

5. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $71.60 to $72.59.

6. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $72.60 to $72.78.

7. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $71.60 to $72.59.

8. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $72.61 to $72.78.

9. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $71.602 to $72.59.

10. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $72.61 to $72.79.

11. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $71.58 to $72.57.

12. The shares reported as sold on this line were sold in multiple transactions. This price is the weighted average sales price per share of all shares sold; the actual sale prices per share range from $72.58 to $72.82.

13. These shares are held by the Caine Trust. The reporting person disclaims beneficial ownership with respect to shares held by the Caine Trust, except to the extent of his pecuniary interest therein.

14. These stock options vest at a rate of 1/3 of the shares underlying the stock option one year from the date of grant and at a rate of 1/36 monthly thereafter.

Remarks:

	/s/Antonio Gomes, Attorney-in-Fact for Brett M. Caine	02/18/2011
	** 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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