Kim Matthew M., Comptroller of Southern Co ($SO), made one open market sale of shares in the last year, totaling $487 thousand. His most recent transaction occurred on February 24, 2026. This places him 6,519th out of 11,678 insiders by sale value, well below the average of $8.6 million across 6.4 transactions. He reported no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Co Restricted Stock Units | 23 | $0.00 | 539.0000 | 1,120,000,000 | 4.09% | 0.00% |
| April 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | F | Southern Company Common Stock | 82 | $96.94 | 6,888.0000 | 1,120,000,000 | 1.18% | 0.00% |
| April 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Company Common Stock | 82 | $0.00 | 6,970.0000 | 1,120,000,000 | 1.19% | 0.00% |
| April 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Performance Restricted Stock Units | 42 | $0.00 | 975.0000 | 1,120,000,000 | 4.13% | 0.00% |
| April 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Co Restricted Stock Units | 13 | $0.00 | 305.0000 | 1,120,000,000 | 4.09% | 0.00% |
| Feb. 24, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | S | Southern Company Common Stock | 5123 | $95.15 | 8,091.0238 | 1,120,000,000 | 38.77% | 0.00% |
| Feb. 11, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | A | Southern Company Common Stock | 4450 | $0.00 | 15,228.0238 | 1,120,000,000 | 41.29% | 0.00% |
| Feb. 11, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | F | Southern Company Common Stock | 2014 | $90.86 | 15,228.0238 | 1,120,000,000 | 11.68% | 0.00% |
| Feb. 5, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Co Restricted Stock Units | 282 | $0.00 | 562.0000 | 1,120,000,000 | 33.41% | 0.00% |
| Feb. 5, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Company Common Stock | 292 | $0.00 | 10,913.7661 | 1,120,000,000 | 2.75% | 0.00% |
| Feb. 5, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | F | Southern Company Common Stock | 146 | $91.08 | 10,767.7661 | 1,120,000,000 | 1.34% | 0.00% |
| Jan. 31, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Company Common Stock | 340 | $0.00 | 10,619.7661 | 1,120,000,000 | 3.31% | 0.00% |
| Feb. 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Co Restricted Stock Units | 308 | $0.00 | 0.0000 | 1,120,000,000 | 100.00% | 0.00% |
| Jan. 31, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Co Restricted Stock Units | 317 | $0.00 | 318.0000 | 1,120,000,000 | 49.92% | 0.00% |
| Feb. 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | F | Southern Company Common Stock | 173 | $89.31 | 10,621.7661 | 1,120,000,000 | 1.60% | 0.00% |
| Feb. 1, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | M | Southern Company Common Stock | 345 | $0.00 | 10,794.7661 | 1,120,000,000 | 3.30% | 0.00% |
| Jan. 31, 2026 | SOUTHERN CO | $SO | Kim Matthew M. | Comptroller | F | Southern Company Common Stock | 170 | $89.31 | 10,449.7661 | 1,120,000,000 | 1.60% | 0.00% |