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Table of Contents ✔ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-31830 Cathay General Bancorp ( Exact name of Registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 777 North Broadway , Los Angeles , California ( Address of principal executive offices ) Title of each class Common Stock , $ 0.01 par value Registrant's telephone number , including area code : ( 213 ) 625-4700 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) CATY 95-4274680 ( I.R.S. Employer Identification No. ) 90012 ( Zip Code ) None Name of each exchange on which registered NASDAQ Global Select Market Securities registered pursuant to Section 12 ( g ) of the Act : Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No