# Southern Co (SO) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/so

> 6 non-derivative transactions: 0 purchases, 6 sales ($844K). CIK 92122.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-03 | Kim Matthew M. | Officer | S | 1400.0 | 88.87 | 4988.0 | https://www.sec.gov/Archives/edgar/data/92122/000119312526383300/0001193125-26-383300-index.htm |
| 2026-09-03 | Sena Peter P III | Officer | S | 4266.0 | 88.59 | 26935.0 | https://www.sec.gov/Archives/edgar/data/92122/000119312526383301/0001193125-26-383301-index.htm |
| 2026-09-01 | Kim Matthew M. | Officer | S | 100.0 | 88.45 | 6399.55 | https://www.sec.gov/Archives/edgar/data/92122/000119312526381193/0001193125-26-381193-index.htm |
| 2026-08-06 | Spainhour Sterling A Jr. | Officer | S | 3333.0 | 94.02 | 35219.0 | https://www.sec.gov/Archives/edgar/data/92122/000119312526340057/0001193125-26-340057-index.htm |
| 2026-08-03 | Kim Matthew M. | Officer | S | 100.0 | 94.28 | 6488.0 | https://www.sec.gov/Archives/edgar/data/92122/000119312526331835/0001193125-26-331835-index.htm |
| 2026-07-01 | Kim Matthew M. | Officer | S | 100.0 | 95.77 | 6588.0 | https://www.sec.gov/Archives/edgar/data/92122/000119312526294114/0001193125-26-294114-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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