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 June 30, 2019 UNITED STATES SECURITIES AND EXCHANGE COMMISSION (Exact name of registrant as specified in its charter) Tennessee (Mid-America Apartment Communities, Inc.) 62-1543819 Tennessee (Mid-America Apartments, L.P.) 62-1543816 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) or ☐ TRANSITION REPORT PU ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 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-AME ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) 6815 Poplar Avenue, Suite 500, Germantown, Tennessee, 38138 ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 (Address of principal executive of ices) (Zip Code) OR o 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 00 ...