SOUtilitiesLarge-Cap
SOUTHERN CO Insider Trading Activity
Every SEC Form 4 insider transaction reported for SOUTHERN CO (SO), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are SO insiders buying or selling?
SOUTHERN CO insiders reported 4 open-market buys ($454.9K) and 168 sells ($339.9M) across 172 Form 4 filings — a net selling position of $339.5M.
Source: SEC EDGAR Form 4
Key Statistics (as of Sep 3, 2026)
Total Form 4 filings
172
SEC EDGAR
Insider filers
24
Insider buys (4)
$454.9K
Insider sells (168)
$339.9M
Insider sentiment
Net sellingNet insider flow of $339.5M in net selling.
Recent SO insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | Matthew M. Kim | Comptroller | Sale | 100 | $88.45 | $8.8K |
| Aug 7, 2026 | Sterling A Spainhour Jr. | EVP & CLO | Sale | 3.3K | $94.02 | $313.4K |
| Aug 4, 2026 | Matthew M. Kim | Comptroller | Sale | 100 | $94.28 | $9.4K |
| Jul 2, 2026 | Matthew M. Kim | Comptroller | Sale | 100 | $95.77 | $9.6K |
| Jun 1, 2026 | Matthew M. Kim | Comptroller | Sale | 100 | $91.16 | $9.1K |
| May 4, 2026 | Matthew M. Kim | Comptroller | Sale | 100 | $96.57 | $9.7K |
| Mar 31, 2026 | Kimberly S, Greene | Chairman, President & CEO, GPC | Sale | 25.0K | $96.67 | $2.4M |
| Mar 19, 2026 | Christopher Cummiskey | EVP | Sale | 6.7K | $96.55 | $643.9K |
| Mar 19, 2026 | Stan W Connally | EVP & COO | Sale | 12.5K | $97.13 | $1.2M |
| Feb 25, 2026 | Matthew M. Kim | Comptroller | Sale | 5.1K | $95.15 | $487.5K |
| Oct 1, 2025 | Bryan D Anderson | EVP | Sale | 6.2K | $93.83 | $582.3K |
| Aug 12, 2025 | Sterling A Spainhour Jr. | EVP & CLO | Sale | 2.4K | $95.02 | $226.1K |
| Jul 22, 2025 | Kimberly S, Greene | Chairman, President & CEO, GPC | Sale | 13.2K | $95.00 | $1.3M |
| May 27, 2025 | Christopher Cummiskey | EVP | Sale | 12.3K | $89.54 | $1.1M |
| Apr 1, 2025 | Stan W Connally | EVP & COO | Sale | 12.5K | $92.24 | $1.2M |
| Mar 11, 2025 | Kimberly S, Greene | Chairman, President & CEO, GPC | Sale | 32.2K | $93.12 | $3.0M |
| Mar 4, 2025 | Martin Bernard Davis | EVP & CIO | Sale | 1.1K | $89.61 | $100.8K |
| Mar 4, 2025 | Christopher C Womack | Chairman, President & CEO | Sale | 24.4K | $90.13 | $2.2M |
| Feb 26, 2025 | Christopher C Womack | Chairman, President & CEO | Sale | 1.6K | $90.00 | $143.4K |
| Feb 20, 2025 | Christopher Cummiskey | EVP | Sale | 944 | $86.00 | $81.2K |
| Feb 12, 2025 | James Jeffrey Peoples | Chairman, President & CEO, APC | Sale | 14.5K | $86.00 | $1.3M |
| Feb 5, 2025 | Christopher Cummiskey | EVP & CCO | Sale | 837 | $83.32 | $69.7K |
| Dec 6, 2024 | Martin Bernard Davis | EVP and CIO | Sale | 1.2K | $85.90 | $100.5K |
| Dec 6, 2024 | Christopher C Womack | CEO, President and Chairman | Sale | 14.0K | $86.18 | $1.2M |
| Nov 5, 2024 | Sterling A Spainhour Jr. | EVP, Chief Legal Officer & CCO | Sale | 793 | $88.54 | $70.2K |
Showing the 25 most recent of 172 Form 4 filings for SOUTHERN CO.
Most active SO insiders
- Stephen E Kuczynski54 filings
- Christopher Cummiskey18 filings
- Christopher C Womack13 filings
- Kimberly S, Greene12 filings
- James Y Kerr, II11 filings
Ask anything about SO insider activity
Use Trabud's AI agent to query SOUTHERN CO's Form 4 history in plain English — "Show me SO CEO purchases this year" or compare it against any other ticker.
Open the AI agentSO insider trading FAQ
Are SOUTHERN CO insiders buying or selling?
Across 172 SEC Form 4 filings, SOUTHERN CO (SO) insiders reported 4 open-market purchases totaling $454.9K and 168 sales totaling $339.9M. That is a net selling position of $339.5M.
How many insiders trade SO stock?
24 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for SOUTHERN CO. The most recent filing was accepted on Sep 3, 2026.
Where does Trabud get SO insider trading data?
All SO insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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