SEC Form 4 · accession 0001193125-26-293688
SOUTHERN CO · SO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David J Grain
Director
Period of report
Jul 1, 2026
Accepted (ET)
Jul 2, 2026 · 10:16 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000092122
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Deferred Stock Units HoldingF1,F3,F2 | $0.00 | Jul 1, 2026 | A | 854 | A | — | — | Southern Company Common Stock | 854 | 86,881 | D |
Explanation of responses
- F1Represents quarterly director cash and equity retainers paid under the Southern Company 2021 Equity and Incentive Compensation Plan and deferred pursuant to the Deferred Compensation Plan for Outside Directors of The Southern Company (Deferred Compensation Plan). Each deferred stock unit represents the right to receive one share of Southern Company common stock.
- F2Deferred stock units are settled in shares of Southern Company common stock on the date(s) following the termination of the reporting person's service on the Board as specified by the reporting person pursuant to the Deferred Compensation Plan. There is no exercise or expiration date.
- F3Includes additional deferred stock units acquired through the dividend reinvestment feature of the Deferred Compensation Plan.