Ownership Submission
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

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 *
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 (Month/Day/Year)
12/30/2005
(Street)


LOS ANGELES, CA 90012
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
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 at end of Issuer's Fiscal Year
(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 01/25/2005   J(1) 223.577 A $ 32.992 328,661.13 D  
Common Stock 04/26/2005   J(1) 244.424 A $ 30.26 328,661.13 D  
Common Stock 07/20/2005   J(1) 225.538 A $ 32.9061 328,661.13 D  
Common Stock 10/25/2005   J(1) 220.274 A $ 32.6053 328,661.13 D  
Common Stock 12/30/2005   J(2) 1,093 A $ 32.1909 94,959 I By ESOP
Common Stock             239,308 I Husband & Wife Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. 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. SEC 2270 (9-02)

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 Underlying Securities
(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 $ 8.25           09/17/1999(3) 09/17/2008 Common Stock
40,000
  40,000
D
 
Stock Option $ 10.625           01/20/2001(3) 01/20/2010 Common Stock
73,320
  113,320
D
 
Stock Option $ 15.0475           01/18/2002(4) 01/18/2011 Common Stock
74,160
  187,480
D
 
Stock Option $ 16.275           02/21/2003(5) 02/21/2012 Common Stock
79,320
  266,800
D
 
Stock Option $ 19.925           01/16/2004(6) 01/16/2013 Common Stock
153,060
  419,860
D
 
Stock Option $ 24.8           11/20/2004(7) 11/20/2013 Common Stock
246,940
  666,800
D
 
Stock Option $ 37           02/17/2006(8) 02/17/2015 Common Stock
154,940
  821,740
D
 
Stock Option $ 32.47           03/22/2005(9) 03/22/2015 Common Stock
245,060
  1,066,800
D
 
Stock Option $ 33.54           11/20/2005(10) 05/12/2015 Common Stock
264,694
  1,331,494
D
 

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 02/09/2006
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Dividend Reinvestment.
(2) ESOP earning allocation.
(3) The option is fully exercisable.
(4) The option vests in 5 equal annual installments beginning 1/18/02.
(5) The option vests in 5 equal annual installments beginning 2/21/03.
(6) The option vests in 5 equal annual installments beginning 1/16/04.
(7) The option vests in 5 equal annual installments beginning 11/20/04.
(8) The option vests in 5 equal annual installments beginning 2/17/06.
(9) 30% exercisable immediately; 10% exercisable on 11/20/05; the rest of the option vests in 3 equal annual installments beginning 11/20/06.
(10) 40% exercisable on 11/20/05; the rest of the option vests in 3 equal annual installments beginning 11/20/06.

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