Sec Form 4 Filing - Greene Kimberly S, @ SOUTHERN CO - 2016-07-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Greene Kimberly S, 2. Issuer Name and Ticker or Trading Symbol SOUTHERN CO [ SO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP & COO, Southern Co. (Last) (First) (Middle) 30 IVAN ALLEN JR. BLVD 3. Date of Earliest Transaction (MM/DD/YY) 07/01/2016 (Street) ATLANTA, GA30308 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Southern Company Common Stock 07/05/2016 M 141,818 A $ 41.28 177,686.3653 D Southern Company Common Stock 07/05/2016 S 141,818 D $ 54 35,868.3653 ( 1 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Option Right to Buy ( 2 ) ( 3 ) ( 4 ) $ 41.28 07/05/2016 M 141,818 02/10/2015 02/10/2024 Southern Company Common Stock 141,818 $ 0 70,909 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Greene Kimberly S, 30 IVAN ALLEN JR. BLVD ATLANTA, GA30308 EVP & COO, Southern Co. Signatures /s/ Laura O. Hewett, Attorney-in-Fact for Kimberly S. Greene 07/06/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Amount of securities beneficially owned includes 6,163 shares of Southern Company Common Stock and 29,705.3653 shares of Southern Company Common Stock representing remaining underlying time vesting RSUs and related DEUs that have not yet vested. The time vesting RSUs and related DEUs are settled one for one in shares of Southern Company Common Stock. ( 2 )Options vest 33% per year on the anniversary of the grant date. ( 3 )Includes the right to have shares withheld upon exercise to satisfy tax withholding obligations. ( 4 )Options were exercised and shares were sold pursuant to a Rule 10b5-1 plan.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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