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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Form 10 - K For the fiscal year ended December 31 , 2020 or For the transition period from Commission File Number : 1-13102 ( First Industrial Realty Trust , Inc. ) 333-21873 ( First Industrial , L.P. ) H Title of each class Common Stock , par value $ .01 per share First Industrial Realty Trust , Inc. First Industrial , L.P. First Industrial Realty Trust , Inc. First Industrial , L.P. FIRST INDUSTRIAL FIRST INDUSTRIAL REALTY TRUST , INC . FIRST INDUSTRIAL , L.P. ( Exact name of Registrant as specified in its Charter ) REALTY . TRUST to Maryland Delaware ( State or other jurisdiction of incorporation or organization ) O Yes No p Yes o No p 1 N. Wacker Drive , Suite 4200 Chicago , Illinois , 60606 ( Address of principal executive offices , zip code ) ( 312 ) 344-4300 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) FR Securities registered pursuant to Section 12 ( g ) of the Act : None 36-3935116 36-3924586 ( I.R.S. Employer Identification No. ) Name of each 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 . First Industrial Realty Trust , Inc. First Industrial , L.P. Yes Yes No | No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 . 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