Company_Context
Utilities
Electric Services
Source: SEC SIC
MARKET_TICKER: SO
SOUTHERN COInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Open-Market Signal
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
4 directional transactions in 90D
Code P purchases and code S sales are measured from 2026.05.31 — 2026.08.28.
Net_Flow_90D
-$341K
Open-market buys minus salesLatest_Form_4
2026.08.06
Latest available filingActive_Insiders_90D
14
Reporting entities in windowTop_Buyer_90D
No 90D buyer
No open-market buys in 90DTop_Seller_90D
Spainhour Sterling A Jr.
$313.4KAutomated_Intelligence_Report :: SO
Analysis of eligible SEC Form 4 activity for SO indicates a bearish 90-day signal. The selected window contains transactions from 14 distinct reporting insiders, with aggregate nominal activity of $1.03M.
Open-market purchases minus open-market sales produce a negative net flow of $0.34M. Compensation-related awards and option exercises represent more nominal activity than directional open-market trades, so the signal should be interpreted cautiously.
The largest open-market sale in the selected window was attributed to Spainhour Sterling A Jr.. Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
0
Clustered open-market purchase records in the recent filing sample.
No coordinated buying cluster detected
Post_Filing_Performance
Live Market Chart :: SO
Analyze SO with advanced technical indicators.
View on TradingView (Get $15 Off)Recent Insider Flow :: SO
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 90D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Who is currently buying SO stock?
No eligible open-market purchases were reported for SO during the last 90 calendar days.
>Are SO insiders selling their shares?
During the last 90 calendar days, eligible open-market sales total $0.34M. Spainhour Sterling A Jr. recorded the largest aggregate selling volume.
>What is the overall insider sentiment for SO?
The 90-day open-market signal is BEARISH, with net flow of $0.34M across 14 reporting insiders in the selected window.