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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 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 to TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Title of each class Common Stock ( $ 1 par value ) or Commission file number 001-11312 COUSINS PROPERTIES INCORPORATED ( Exact name of registrant as specified in its charter ) 3344 Peachtree Road NE Georgia ( State or other jurisdiction of incorporation or organization ) Suite 1800 ( Address of principal executive offices ) Atlanta ( 404 ) 407-1000 ( Registrant's telephone number , including area code ) CUZ Georgia Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) Securities registered pursuant to Section 12 ( g ) of the Act : None 58-0869052 ( I.R.S. Employer Identification No. ) 30326-4802 ( Zip Code ) Name of Exchange on which registered New York Stock Exchange Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes ý No " Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Exchange Act . Yes No ý 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 ý No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes ý No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer ý Non - accelerated filer Accelerated filer Smaller reporting company Emerging growth company ooo If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No ý As of June 30 , 2020 , the aggregate market value of the common stock of Cousins Properties Incorporated held by non - affiliates was $ 4,460,913,956 based on the closing sales price as reported on the New York Stock Exchange . As of January 31 , 2021 , 148,566,470 shares of common stock were outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Registrant's proxy statement for the annual stockholders meeting to be held on April 27 , 2021 are incorporated by reference into Part III of this Form 10 - K .