Ownership Submission
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 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
TANG ANTHONY M
  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)
EVP
(Last)
(First)
(Middle)
777 NORTH BROADWAY
3. Date of Earliest Transaction (Month/Day/Year)
11/30/2006
(Street)

LOS ANGELES, CA 90012
4. If Amendment, Date 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
(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 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 11/30/2006   M   10,000 A $ 10.625 360,584 D  
Common Stock 11/30/2006   S   10,000 D $ 34.3242 350,584 D  
Common Stock 12/04/2006   M   13,000 A $ 10.625 363,584 D  
Common Stock 12/04/2006   S   13,000 D $ 34.7014 350,584 D  
Common Stock               82,441 I By ESOP
Common Stock               247,819.74 (1) I By spouse
Common Stock               80,322 I As custodian for children

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 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
Stock Option $ 10.625 11/30/2006   M     10,000 01/20/2001(2) 01/20/2010 Common Stock 13,000 $ 0 13,000 D  
Stock Option $ 10.625 12/04/2006   M     13,000 01/20/2001(2) 01/20/2010 Common Stock 0 $ 0 0 D  
Stock Option $ 15.0475             01/18/2002(2) 01/18/2011 Common Stock 26,360   26,360 D  
Stock Option $ 16.275             02/21/2003(3) 02/21/2012 Common Stock 26,000   52,360 D  
Stock Option $ 19.925             01/16/2004(4) 01/16/2013 Common Stock 47,500   99,860 D  
Stock Option $ 24.8             11/20/2004(5) 11/20/2013 Common Stock 105,140   205,000 D  
Stock Option $ 37             02/17/2006(6) 02/17/2015 Common Stock 39,820   244,820 D  
Stock Option $ 36.24             01/25/2007(7) 01/25/2016 Common Stock 42,690   287,510 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TANG ANTHONY M
777 NORTH BROADWAY
LOS ANGELES, CA 90012
  X     EVP  

Signatures

 Anthony M. Tang   12/04/2006
**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) Includes 2,545.17 shares acquired through dividend reinvestment year-to-date.
(2) The option is fully exercisable.
(3) The option vests in 5 equal annual installments beginning 2/21/03.
(4) The option vests in 5 equal annual installments beginning 1/16/04.
(5) The option vests in 5 equal annual installments beginning 11/20/04.
(6) The option vests in 5 equal annual installments beginning 2/17/06.
(7) The option vests in 5 equal annual installments beginning 1/25/07.

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