SOUTHERN CO (SO)
Latest SO Insider Trades
- Sterling A. Spainhour Jr. - OfficerOpen-market sale$313K
Matthew M. Kim - OfficerOpen-market sale$9K
About SOUTHERN CO (SO)
Southern is one of the largest utilities in the US. The company serves 9 million customers with vertically integrated electric utilities in three states and natural gas distribution utilities in four states. It owns 46 gigawatts of rate-regulated generating capacity, primarily for serving customers in Georgia, Alabama, and Mississippi. Subsidiary Southern Power owns 13 gigawatts of natural gas generation and renewable energy across the US and sells the electricity primarily under long-term contracts.
- ATLANTA, GA
- 29,800
- 1949
- XNYS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 3,633 | $341K |
| Grant or award | 12 | 6,866 | |
| Option exercise | 2 | 1,379 |
SO Insider Transactions (Form 4)
40134 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sterling A. Spainhour Jr. - Officer | Open-market sale | Southern Company Common Stock |
Recent SO Form 8-K Filings
5Recent SO Form 144 Notices of Proposed Sale
3A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| STERLING SPAINHOUR | OFFICER | 3,333 | $313K | View on EDGAR | |
| - | - |
SO Insider Trading - FAQ
What is the latest insider trade for SO?
SOUTHERN CO (SO) had 16 insider filings in the last 90 days, with the most recent on 2026-08-07. The full record for SO runs to 134 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying SO stock?
No insider purchases of SO were filed in the last 90 days.
How many insiders are selling SO stock?
4 insider sales of SO were filed in the last 90 days, totaling $341K.
Where can I see SO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks SO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow SO insider buys?
Create a free InsiderAlpha account and press Watch on this page to add SO to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Utilities Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Sterling A. Spainhour Jr. view on EDGAR
- - Matthew M. Kim view on EDGAR
- - Matthew M. Kim view on EDGAR
- - Anthony F. Earley Jr. view on EDGAR
- - Shantella E. Cooper view on EDGAR
- - William G. Smith Jr. view on EDGAR
- - David E. Meador view on EDGAR
- - David J. Grain view on EDGAR
- - John M. Turner Jr. view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Utilities
- Where SO's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track SO insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
