Page 1

☑ ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31 , 2021 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number : 001-12762 ( Mid - America Apartment Communities , Inc. ) Commission File Number : 333-190028-01 ( Mid - America Apartments , L.P. ) MID - AMERICA APARTMENT COMMUNITIES , INC . MID - AMERICA APARTMENTS , L.P. ( Exact name of registrant as specified in its charter ) Tennessee ( Mid - America Apartment Communities , Inc. ) Tennessee ( Mid - America Apartments , L.P. ) ( State or other jurisdiction of incorporation or organization ) 62-1543819 62-1543816 ( I.R.S. Employer Identification No. ) 6815 Poplar Ave. , Suite 500 , Germantown , TN 38138 ( Address of principal executive offices ) ( Zip Code ) ( 901 ) 682-6600 ( Registrant's telephone number , including area code ) N / A ( Former name , former address and former fiscal year , if changed since last report ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Trading Symbol ( s ) MAA MAA * I Name of each exchange on which registered New York Stock Exchange New York Stock Exchange Common Stock , par value $ .01 per share ( Mid - America Apartment Communities , Inc. ) 8.50 % Series I Cumulative Redeemable Preferred Stock , $ .01 par value per share ( Mid - America Apartment Communities , Inc. ) 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 Mid - America Apartment Communities , Inc. YES ☑ NO □ NO □ Mid - America Apartments , L.P. 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 ) . Mid - America Apartment Communities , Inc. YES YES NO □ NO □ Mid - America Apartments , L.P. 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 . Mid - America Apartment Communities , Inc. Large accelerated filer Accelerated filer Non - accelerated filer Smaller reporting company Emerging growth company Large accelerated filer Accelerated filer Mid - America Apartments , L.P. 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 . Non - accelerated filer Smaller reporting company Emerging growth company Mid - America Apartment Communities , Inc. Mid - America Apartments , L.P. Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Mid - America Apartment Communities , Inc. YES □ Mid - America Apartments , L.P. YES □ Indicate the number of shares outstanding of each of the issuer's classes of common stock , as of the latest practicable date : Mid - America Apartment Communities , Inc. Class Common Stock , $ 0.01 par value NO ☑ NO Number of Shares Outstanding at April 26 , 2021 114,486,784