| Accession Number: | 0001209191-22-002228 |
| Date: | 2021-12-31 |
| Issuer: | SOUTHERN CO (SO) |
| Original Submission Date: |
CUMMISKEY CHRISTOPHER
30 IVAN ALLEN JR. BLVD., NW
ATLANTA, GA 30308
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| SOUTHERN COMPANY COMMON STOCK | 2021-12-31 | M | 1,812 | a | $0.00 | 18,280 | direct | ||
| SOUTHERN COMPANY COMMON STOCK | 2021-12-31 | F | 823 | d | $68.58 | 17,457 | direct | ||
| SOUTHERN COMPANY COMMON STOCK | 2022-01-05 | S | 989 | d | $67.65 | 16,468 | direct | ||
| SOUTHERN COMPANY COMMON STOCK | 2021-12-31 | 0 | $0.00 | 5,158 | indirect |
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOUTHERN CO RESTRICTED STOCK UNITS | 0.0 | 2021-12-31 | deemed execution date | M | 1,534 (d) | southern company common stock 1,534 | $0.00 | 1,534 | direct |
| ID | footnote |
|---|---|
| f1 | the rsu award, granted on february 22, 2018, vests 20% each year for five years, on december 31 of each year, beginning december 31, 2018. vesting will be accelerated if certain performance measures are met before december 31, 2022. includes 278 accrued dividend equivalent units. shares will be withheld upon vesting to satisfy tax requirements. |
| f2 | shares withheld to satisfy required state and federal tax withholding requirements. |
| f3 | shares were sold pursuant to a rule 10b5-1 plan. |
| f4 | the rsu award, granted on february 22, 2018, vests 20% each year for five years, on december 31 of each year, beginning december 31, 2018. vesting will be accelerated if certain performance measures are met before december 31, 2022. additional units will be acquired with deemed dividends. shares will be withheld upon vesting to satisfy tax requirements. |
