Quick answer
Southern Co (SO) reported diluted EPS of $1.20 for the quarter ended 2026-03-31, in a 10-Q filed with the SEC on 2026-04-30. Its last four 10-Q/10-K filings were on 2026-04-30, 2026-02-19, 2025-10-30, 2025-07-31.
Data as of 2026-04-30. Source: SEC EDGAR XBRL company facts (10-K/10-Q filings)
| Period end | Period | Form | SEC filing date | Diluted EPS |
|---|---|---|---|---|
| 2026-03-31 | Quarter | 10-Q | 2026-04-30 | $1.20 |
| 2025-12-31 | Full year | 10-K | 2026-02-19 | $3.92 |
| 2025-09-30 | Quarter | 10-Q | 2025-10-30 | $1.54 |
| 2025-06-30 | Quarter | 10-Q | 2025-07-31 | $0.79 |
| 2025-03-31 | Quarter | 10-Q | 2025-05-01 | $1.21 |
| 2024-12-31 | Full year | 10-K | 2025-02-20 | $3.99 |
| 2024-09-30 | Quarter | 10-Q | 2024-10-31 | $1.39 |
| 2024-06-30 | Quarter | 10-Q | 2024-08-01 | $1.09 |
| 2024-03-31 | Quarter | 10-Q | 2024-05-02 | $1.03 |
| 2023-12-31 | Full year | 10-K | 2024-02-15 | $3.62 |
| 2023-09-30 | Quarter | 10-Q | 2023-11-02 | $1.29 |
| 2023-06-30 | Quarter | 10-Q | 2023-08-03 | $0.76 |
| 2023-03-31 | Quarter | 10-Q | 2023-04-27 | $0.79 |
| 2022-12-31 | Full year | 10-K | 2023-02-16 | $3.26 |
| 2022-09-30 | Quarter | 10-Q | 2022-10-27 | $1.35 |
| 2022-06-30 | Quarter | 10-Q | 2022-07-28 | $1.03 |
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Last updated 2026-10-16. Data only, not financial or tax advice.