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The Southern Company

UtilitiesS&P 500

The Southern Company insider trading

The Southern Company files with the SEC as a Electric Services company headquartered in Atlanta, GA. Every time one of its executives or directors buys or sells the stock, the filing appears here the moment it reaches the SEC — with grants and option exercises set apart from the trades that cost the insider their own money.

From SEC filings

Recent SO insider transactions

3 insiders traded SO on the open market between May 01, 2026 and Sep 03, 2026 — 8 sales worth $862.3K, of which 7 were pre-scheduled under a 10b5-1 plan.

Bought
—
Sold
$862.3K

7 of 8 on a 10b5-1 plan

Net
−$862.3K
Insiders
3

Open-market purchases (code P) and sales (code S) from The Southern Company's own SEC Form 4 filings. Grants and option exercises are excluded — they are compensation, not decisions. Share counts are derived from the reported value and price. Verify any figure against the original filing before acting on it; this is monitoring, not advice.

Filing history last read from EDGAR on Sep 20, 2026. The live dashboard shows new filings the moment they clear.

Every SO Form 4 on SEC.gov

SEC Form 4 data, Q3 2024 to Q2 2026

SO insider trading by quarter

Between Jul 01, 2024 and Jun 30, 2026, 12 insiders traded SO on the open market: 0 purchases and 26 sales worth $22.3M, 25 of the sales pre-scheduled under a 10b5-1 plan. In the last four quarters alone: 0 purchases and 9 sales ($6.8M), by 6 insiders.

QuarterBoughtSold
Q2 2026—−$18.8K2 sales · all on a plan
Q1 2026—−$4.8M4 sales · 3 on a plan
Q4 2025——
Q3 2025—−$2.1M3 sales · all on a plan
Q2 2025—−$1.1M1 sale · all on a plan
Q1 2025—−$8M8 sales · all on a plan
Q4 2024—−$4.1M4 sales · all on a plan
Q3 2024—−$2.3M4 sales · all on a plan
Largest sale
−$3M of SO by Greene Kimberly S, (Chairman, President & CEO, GPC) on Mar 10, 2025, under a 10b5-1 plan.

Open-market transactions through Jun 30, 2026most recent first

  • Greene Kimberly S,10b5-1

    Chairman, President & CEO, GPC

    −$2.4M

    Mar 30, 2026

    25,000 sh · $96.67

  • Cummiskey Christopher

    EVP

    −$643.9K

    Mar 19, 2026

    6,669 sh · $96.55

  • Connally Stan W10b5-1

    EVP & COO

    −$1.2M

    Mar 18, 2026

    12,500 sh · $97.13

  • Kim Matthew M.10b5-1

    Comptroller

    −$487.5K

    Feb 24, 2026

    5,123 sh · $95.15

  • Anderson Bryan D10b5-1

    EVP

    −$582.3K

    Sep 30, 2025

    6,206 sh · $93.83

  • Spainhour Sterling A Jr.10b5-1

    EVP & CLO

    −$226.1K

    Aug 11, 2025

    2,380 sh · $95.02

  • Greene Kimberly S,10b5-1

    Chairman, President & CEO, GPC

    −$1.3M

    Jul 21, 2025

    13,158 sh · $95.00

  • Cummiskey Christopher10b5-1

    EVP

    −$1.1M

    May 23, 2025

    12,335 sh · $89.54

  • Connally Stan W10b5-1

    EVP & COO

    −$1.2M

    Mar 31, 2025

    12,500 sh · $92.24

  • Greene Kimberly S,10b5-1

    Chairman, President & CEO, GPC

    −$3M

    Mar 10, 2025

    32,190 sh · $93.12

  • Womack Christopher C10b5-1

    Chairman, President & CEO

    −$2.2M

    Mar 03, 2025

    24,407 sh · $90.13

  • Davis Martin Bernard10b5-1

    EVP & CIO

    −$100.8K

    Mar 03, 2025

    1,125 sh · $89.61

  • Womack Christopher C10b5-1

    Chairman, President & CEO

    −$143.4K

    Feb 25, 2025

    1,593 sh · $90.00

  • Cummiskey Christopher10b5-1

    EVP

    −$81.2K

    Feb 19, 2025

    944 sh · $86.00

  • Peoples James Jeffrey10b5-1

    Chairman, President & CEO, APC

    −$1.3M

    Feb 11, 2025

    14,540 sh · $86.00

From SEC's quarterly Form 3, 4 and 5 data sets: code P purchases and code S sales of common stock, by the date the trade happened. Where a fund and the people who control it each report the same block, it is counted once. Trades made in the last days of Q2 2026 but filed after it closed arrive with SEC's next quarterly release.

The Southern Company company record

SEC industry classification
Electric Services
Headquarters
Atlanta, GA
Incorporated in
DE
Listed on
NYSE
SEC Central Index Key
0000092122

Sourced from this company's own SEC submissions record. The industry label is SEC's Standard Industrial Classification, which is more specific than the Utilities sector shown above.

After insiders bought SO

What the stock actually did in the 90 days following each open-market purchase

Don't check SO — let it ping you

Get told the moment an insider moves on SO

Pro watches The Southern Company for you and sends a Telegram ping within moments of a Form 4 clearing EDGAR — a C-suite open-market buy, a cluster, a 10b5-1 regime break — long before it reaches the press. Add SO to a watchlist, see each mover's benchmark-measured track record and which legendary funds hold it, and read the full filing history instead of the last 72 hours.

Track SO on the live dashboardFilings on SEC.gov

The live dashboard is free to open. Alerts, watchlists, full filing history and each mover's benchmark-measured track record are Pro. Monitoring, not advice.

How to read SO insider activity

Open-market purchase (code P)
An insider spending their own money at market price. This is the only buy code that reliably carries signal — it is a decision, not compensation.
Grants and option exercises (codes A, M)
Scheduled compensation. Most "insider buying" headlines are really this, which is why InsiderPulse weights it at a fraction of a real purchase.
Cluster buy
Two or more different insiders buying on the open market in the same window. One executive buying can mean anything; three is much harder to explain away.

Other Utilities tickers

DUKSREAEPDEXCXELEDPEGWECESAWKDTE
This week on the tape: who actually chose to sellThe weekly split of scheduled 10b5-1 selling vs deliberate sales, with the deciders named.

Questions

Are SO insiders buying or selling?
Between May 01, 2026 and Sep 03, 2026, 3 The Southern Company insiders made no open-market purchases and 8 sales worth $862.3K, a net sale of $862.3K. 7 of the sales were pre-scheduled under a Rule 10b5-1 plan.
How much SO stock have insiders bought and sold in the last two years?
Between Jul 01, 2024 and Jun 30, 2026, 12 The Southern Company insiders made no open-market purchases and 26 sales worth $22.3M. 25 of the sales were pre-scheduled under a Rule 10b5-1 plan. In the four quarters to Jun 30, 2026: no purchases and 9 sales ($6.8M). The largest sale was Greene Kimberly S, selling $3M on Mar 10, 2025.
What was the largest recent SO insider trade?
Sena Peter P III (Chairman,President & CEO, SNC) sold $377.9K of SO stock on Sep 03, 2026 at about $88.59 a share, under a pre-scheduled 10b5-1 plan.
When did an insider last buy SO shares?
No open-market purchase by a The Southern Company insider appears in the filings from May 01, 2026 to Sep 03, 2026 — every recorded open-market transaction in that period was a sale.
Where does SO insider trading data come from?
From the Form 4 filings The Southern Company's officers, directors and 10% owners must send the SEC within two business days of a trade. Each row on this page links to its original filing on SEC EDGAR. Share grants and option exercises are kept apart from open-market purchases and sales, because only the latter cost the insider their own money.

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