This insider cluster is immaterial—the dollar value is noise at a $106.9B utility. No actionable trading signal. Continue monitoring for any C-suite open-market buying, which would be a more informative signal.
Price Chart
Executive Summary
Two Southern Co insiders, including the EVP & CLO, sold a total of $323K in open-market sales over a 7-day window. The dollar amount is trivial relative to the $106.9B market cap and represents routine portfolio diversification, not a bearish signal.
Key Financial Metrics
Key Facts
- EVP & CLO Spainhour Sterling A Jr. sold 3,333 shares at $94.02 for $313,369 on 2026-08-06.
- Comptroller Matthew M. Kim sold 100 shares at $94.28 for $9,428 on 2026-08-03.
- Total insider sales value of $323K equals ~0.0003% of Southern Co's $106.9B market cap.
- 30-day prior insider activity also shows 2 sells totaling $323K, matching the current cluster.
Financial Impact
$322,797 in total open-market insider sales, or ~0.0003% of market cap
Risk Factors
- Insider sales of this magnitude are consistent with routine tax and diversification planning; no bearish read-through.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SO-1786129270740 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 27d ago | Insider Cluster | $88.11 $87.00 | ▼ −1.26% | ▼ −0.05% | $83.47 (−5.27%) |
Aug 7, 2026 7w ago | Insider Cluster | $92.69 $92.80 | ▲ +0.12% | ▼ −0.28% | $83.47 (−9.95%) |
Aug 6, 2026 8w ago | 8-K | $92.90 $92.79 | ▼ −0.12% | ▼ −1.33% | $83.47 (−10.15%) |
Aug 4, 2026 8w ago | 8-K | $93.25 $91.92 | ▼ −1.43% | ▼ −1.33% | $83.47 (−10.49%) |
Aug 3, 2026 8w ago | 8-K | $92.94 $91.34 | ▼ −1.72% | ▼ −3.75% | $83.47 (−10.19%) |
May 26, 2026 18w ago | Court Ruling | $94.05 $89.03 | ▲ +5.33% | ▲ +6.42% | $83.47 (+11.25%) |
Mar 18, 2026 28w ago | Insider Cluster | $96.50 $94.55 | ▼ −2.02% | ▼ −1.31% | $83.47 (−13.50%) |
Feb 28, 2026 30w ago | Institutional Cluster | $97.23 $97.26 | ▲ +0.03% | ▲ +1.24% | $83.47 (−14.15%) |
Feb 25, 2026 31w ago | 8-K | $95.89 $97.58 | ▲ +1.76% | ▲ +2.86% | $83.47 (−12.95%) |
US Market Status
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