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Southern Company

Southern Company (NYSE: SO) insider transactions

In the twelve months to 10 November 2026, executives and directors of Southern Company reported 15 open-market sales of 62,324 shares ($5.9m) and 0 open-market purchases, by 6 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Southern Company shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
6 November 2026Spainhour Sterling A Jr.EVP & CloOpen-market sale, 10b5-1 plan−3,333$91.8131,886Form 4
2 November 2026Kim Matthew M.ComptrollerOpen-market sale, 10b5-1 plan−100$93.394,788Form 4
1 October 2026Kim Matthew M.ComptrollerOpen-market sale, 10b5-1 plan−100$82.734,888Form 4
3 September 2026Kim Matthew M.ComptrollerOpen-market sale−1,400$88.874,988Form 4
3 September 2026Sena Peter P IIIChairman,President & CEO, SNCOpen-market sale−4,266$88.5926,935Form 4
1 September 2026Kim Matthew M.ComptrollerOpen-market sale−100$88.456,400Form 4
6 August 2026Spainhour Sterling A Jr.EVP & CloOpen-market sale−3,333$94.0235,219Form 4
3 August 2026Kim Matthew M.ComptrollerOpen-market sale−100$94.286,488Form 4
1 July 2026Kim Matthew M.ComptrollerOpen-market sale−100$95.776,588Form 4
28 June 2026Sena Peter P IIIChairman,President & CEO, SNCOption exercise+712—31,517Form 4
28 June 2026Sena Peter P IIIChairman,President & CEO, SNCShares withheld for tax−316$97.1631,201Form 4
1 June 2026Kim Matthew M.ComptrollerOpen-market sale−100$91.166,688Form 4
24 May 2026Womack Christopher CChairman, President & CEOOption exercise+7,662—216,863Form 4
24 May 2026Womack Christopher CChairman, President & CEOShares withheld for tax−3,414$94.55213,449Form 4
1 May 2026Kim Matthew M.ComptrollerOpen-market sale−100$96.576,788Form 4
1 April 2026Kim Matthew M.ComptrollerOption exercise+82—6,970Form 4
1 April 2026Kim Matthew M.ComptrollerShares withheld for tax−82$96.946,888Form 4
30 March 2026Greene Kimberly S,Chairman, President & CEO, GPCOpen-market sale−25,000$96.67103,602Form 4
19 March 2026Cummiskey ChristopherEVPOpen-market sale−6,669$96.5530,800Form 4
18 March 2026Connally Stan WEVP & COOOpen-market sale−12,500$97.13161,481Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Southern Company page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.