Dudediligence.

The Southern Company

SONYSE · Electric Services
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$5,640,328

13 notices · 58,891 sh

Oct 2025 to Oct 2026

Reported ·

$4,780,993

6 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

5 of 6 reported sales carry the 10b5-1 box. Together they are under 0.01% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-10-01: Matthew M. Kim, Form 1442026-09-03: PETER P SENA III, Form 1442026-09-03: MATTHEW KIM, Form 1442026-09-01: MATTHEW KIM, Form 1442026-08-06: STERLING SPAINHOUR, Form 1442026-08-03: Matthew Kim, Form 1442026-07-01: MATTHEW KIM, Form 1442026-06-01: Matthew M. Kim, Form 1442026-05-01: Matthew Kim, Form 1442026-03-30: KIMBERLY GREENE, Form 1442026-03-19: Christopher Cummiskey, Form 1442026-03-18: Stanley Connally, Form 1442026-02-24: Matthew M. Kim, Form 1442026-02-24: Kim Matthew M., sold2026-03-18: Connally Stan W, sold2026-03-19: Cummiskey Christopher, sold2026-03-30: Greene Kimberly S,, sold2026-05-01: Kim Matthew M., sold2026-06-01: Kim Matthew M., sold
under a ▼ salesize is dollars

Form 144 notices, newest first

2026-10-01Matthew M. Kim, Comptroller$8,273
100 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-09-03PETER P SENA III, Chairman,President & CEO, SNC$377,925
4,266 shplan 2026-05-05Form 4s on file end Jun 23144 ↗
2026-09-03MATTHEW KIM, Comptroller$124,418
1,400 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-09-01MATTHEW KIM, Comptroller$8,845
100 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-08-06STERLING SPAINHOUR, EVP & CLO$313,369
3,333 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-08-03Matthew Kim, Comptroller$9,428
100 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-07-01MATTHEW KIM, Comptroller$9,577
100 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-06-01Matthew M. Kim, Comptroller$9,116
100 shplan 2025-11-25144 ↗
Form 4, 2026-06-01: sold 100 at $91.16 Form 4 ↗
2026-05-01Matthew Kim, Comptroller$9,657
100 shplan 2025-11-25144 ↗
Form 4, 2026-05-04: sold 100 at $96.57 Form 4 ↗
2026-03-30KIMBERLY GREENE, Chairman, President & CEO, GPC$2,416,750
25,000 shplan 2025-11-26144 ↗
Form 4, 2026-03-31: sold 25,000 at $96.67 Form 4 ↗
2026-03-19Christopher Cummiskey, EVP$643,892
6,669 shplan 2025-11-18144 ↗
Form 4, 2026-03-19: sold 6,669 at $96.55 Form 4 ↗
2026-03-18Stanley Connally, EVP & COO$1,221,625
12,500 shplan 2025-11-17144 ↗
Form 4, 2026-03-19: sold 12,500 at $97.13 Form 4 ↗
2026-02-24Matthew M. Kim, Comptroller$487,453
5,123 shplan 2025-11-25144 ↗
Form 4, 2026-02-25: sold 5,123 at $95.15 Form 4 ↗