FORM 5
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
[ ] Form 3 Holdings Reported
[ ] Form 4 Transactions Reported 		UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

                                                                                  

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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(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

CHENG DUNSON K

2. Issuer Name and Ticker or Trading Symbol

CATHAY GENERAL BANCORP [CATY]

5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chairman, President & CEO

(Last)          (First)          (Middle)

777 NORTH BROADWAY

3. Statement for Issuer's Fiscal Year Ended (MM/DD/YYYY)
12/31/2010 
(Street)

LOS ANGELES, CA 90012

(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)
Amount (A) or (D) Price
Common Stock   3/10/2010     J   (1) 84.118   A $9.3131   0   D  
 
Common Stock   6/10/2010     J   (1) 74.838   A $10.4792   0   D  
 
Common Stock   9/10/2010     J   (1) 83.104   A $9.4459   0   D  
 
Common Stock   11/18/2010     J   (2) 388721   D $0   0   D  
 
Common Stock   11/18/2010     J   (2) 388721   A $0   628029   I   Husband & Wife Trust  
Common Stock   12/31/2010     J   (3) 385   A $10.4285   101935   I   By ESOP  

Table II - Derivative Securities Acquired, Disposed of, or 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
(MM/DD/YYYY) 		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 at End of Issuer's Fiscal Year
(Instr. 4) 		10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option   $15.0475                 1/18/2002   (4) 1/18/2011   Common Stock   74160     74160   D  
 
Stock Option   $16.275                 2/21/2003   (4) 2/21/2012   Common Stock   79320     153480   D  
 
Stock Option   $19.925                 1/16/2004   (4) 1/16/2013   Common Stock   153060     306540   D  
 
Stock Option   $24.80                 11/20/2004   (4) 11/20/2013   Common Stock   246940     553480   D  
 
Stock Option   $37.00                 2/17/2006   (4) 2/17/2015   Common Stock   154940     708420   D  
 
Stock Option   $32.47                 3/22/2005   (4) 3/22/2015   Common Stock   245060     953480   D  
 
Stock Option   $33.54                 11/20/2005   (4) 5/12/2015   Common Stock   264694     1218174   D  
 
Stock Option   $36.24                 1/25/2007   (5) 1/25/2016   Common Stock   154940     1373114   D  
 
Stock Option   $23.37                 2/21/2009   (6) 2/21/2018   Common Stock   154970     1528084   D  
 
Stock Option   $23.37                 2/21/2009   (4) 2/21/2018   Common Stock   100000     1628084   D  
 

Explanation of Responses:
( 1)  Dividend Reinvestment.
( 2)  Transferred from individual direct ownership account to the Trust account as indirect ownership
( 3)  ESOP earning allocation.
( 4)  The option is fully exercisable.
( 5)  The option vests in 5 equal annual installments beginning 1/25/07.
( 6)  The option vests in 5 equal annual installments beginning 2/21/09.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CHENG DUNSON K
777 NORTH BROADWAY
LOS ANGELES, CA 90012 		X
Chairman, President & CEO

Signatures
Dunson K. Cheng 2/10/2011
** 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).
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.
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