The Filings Report

Southern Company insider trading

SOfinancial statementsForm 4 filings on EDGAR272 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Southern Company bought $0 of stock in the open market, and 3 sold $833K. Officers and directors accounted for $0 of purchases and $833K of sales. The last reported transaction was an open-market sale by Kim Matthew M. on October 1, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 1, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

SO daily priceSplit-adjusted prices in US dollars

Bought $0Sold $833KAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $93.99 · H $94.35 · L $93.47 · C $93.71Bought $0 (0)Sold $0 (0)
$81$84$88$92$952026-08-04: open $92.09, high $93.54, low $91.25, close $93.252026-08-05: open $93.50, high $94.44, low $91.91, close $93.102026-08-06: open $94.02, high $94.21, low $92.00, close $92.902026-08-07: open $92.20, high $93.59, low $91.75, close $92.692026-08-10: open $92.35, high $93.01, low $91.05, close $91.342026-08-11: open $91.19, high $92.09, low $91.03, close $91.922026-08-12: open $91.76, high $92.59, low $91.73, close $92.522026-08-13: open $92.82, high $93.01, low $92.44, close $92.792026-08-14: open $92.59, high $93.39, low $92.54, close $92.802026-08-17: open $91.60, high $92.64, low $91.57, close $92.292026-08-18: open $93.16, high $93.48, low $92.01, close $92.072026-08-19: open $92.56, high $92.92, low $91.58, close $92.192026-08-20: open $91.75, high $92.65, low $91.41, close $91.432026-08-21: open $91.48, high $91.65, low $88.91, close $88.942026-08-24: open $89.06, high $90.47, low $89.06, close $90.102026-08-25: open $90.00, high $90.54, low $89.71, close $89.972026-08-26: open $89.92, high $90.58, low $89.67, close $89.762026-08-27: open $89.00, high $89.41, low $88.27, close $89.052026-08-28: open $89.37, high $89.53, low $87.88, close $88.252026-08-31: open $88.04, high $88.22, low $87.20, close $88.002026-09-01: open $88.43, high $88.78, low $87.75, close $88.092026-09-02: open $87.99, high $88.51, low $87.13, close $88.312026-09-03: open $88.59, high $89.29, low $88.21, close $88.772026-09-04: open $88.32, high $88.94, low $87.65, close $88.112026-09-08: open $88.16, high $89.34, low $88.10, close $88.992026-09-09: open $89.05, high $89.19, low $88.01, close $88.342026-09-10: open $88.92, high $89.05, low $87.67, close $87.752026-09-11: open $88.37, high $88.65, low $86.99, close $87.172026-09-14: open $87.72, high $87.97, low $86.66, close $87.002026-09-15: open $87.17, high $87.22, low $85.91, close $85.952026-09-16: open $86.41, high $86.83, low $85.87, close $86.232026-09-17: open $86.64, high $86.79, low $86.02, close $86.762026-09-18: open $86.33, high $86.35, low $85.43, close $85.522026-09-21: open $85.52, high $86.15, low $85.18, close $85.462026-09-22: open $85.24, high $85.94, low $84.97, close $85.152026-09-23: open $84.76, high $84.90, low $83.21, close $83.472026-09-24: open $83.98, high $83.98, low $82.84, close $82.892026-09-25: open $82.67, high $83.01, low $82.09, close $82.882026-09-28: open $82.96, high $83.07, low $81.91, close $82.352026-09-29: open $81.95, high $83.65, low $81.69, close $83.452026-09-30: open $83.76, high $83.98, low $82.88, close $82.892026-10-01: open $82.64, high $83.61, low $82.01, close $83.482026-10-02: open $83.72, high $84.31, low $83.59, close $83.722026-10-05: open $83.75, high $84.39, low $83.17, close $83.792026-10-06: open $84.20, high $85.52, low $84.14, close $85.442026-10-07: open $85.50, high $86.01, low $85.19, close $85.442026-10-08: open $85.32, high $86.23, low $84.95, close $86.152026-10-09: open $85.94, high $86.23, low $85.71, close $86.172026-10-12: open $86.22, high $87.08, low $85.74, close $87.042026-10-13: open $87.53, high $88.34, low $86.24, close $88.112026-10-14: open $88.29, high $89.65, low $87.40, close $89.382026-10-15: open $91.00, high $91.00, low $89.02, close $89.182026-10-16: open $89.73, high $91.22, low $89.20, close $91.182026-10-19: open $90.72, high $90.95, low $89.25, close $89.272026-10-20: open $90.00, high $91.03, low $89.70, close $90.712026-10-21: open $90.77, high $91.01, low $90.26, close $90.392026-10-22: open $91.08, high $93.88, low $90.99, close $93.822026-10-23: open $93.68, high $94.04, low $92.68, close $92.892026-10-26: open $92.85, high $93.40, low $92.22, close $92.572026-10-27: open $92.42, high $92.67, low $91.84, close $92.652026-10-28: open $92.37, high $92.88, low $91.28, close $91.522026-10-29: open $92.79, high $93.40, low $92.21, close $92.992026-10-30: open $93.99, high $94.35, low $93.47, close $93.71Insider purchases / sales · USD$1M$0−$1M2026-08-06: 0 purchases ($0), 1 sales ($313K)2026-09-01: 0 purchases ($0), 1 sales ($9K)2026-09-03: 0 purchases ($0), 2 sales ($502K)2026-10-01: 0 purchases ($0), 1 sales ($8K)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

272 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 1, 2026Kim Matthew M.Comptrolleropen-market sale10b5-1100$82.73$8K4,888Oct 1, 2026
Sep 3, 2026Sena Peter P IIIChairman,President & CEO, SNCopen-market sale10b5-14,266$88.59$378K26,935Sep 4, 2026
Sep 3, 2026Kim Matthew M.Comptrolleropen-market sale1,400$88.87$124K4,988Sep 4, 2026
Sep 1, 2026Kim Matthew M.Comptrolleropen-market sale10b5-1100$88.45$9K6,400Sep 3, 2026
Aug 6, 2026Spainhour Sterling A Jr.EVP & CLOopen-market sale10b5-13,333$94.02$313K35,219Aug 7, 2026
Aug 3, 2026Kim Matthew M.Comptrolleropen-market sale10b5-1100$94.28$9K6,488Aug 4, 2026
Jul 1, 2026Kim Matthew M.Comptrolleropen-market sale10b5-1100$95.77$10K6,588Jul 2, 2026
Jun 28, 2026Sena Peter P IIIChairman,President & CEO, SNCoption exercise712$0.00—31,517Jun 29, 2026
Jun 28, 2026Sena Peter P IIIChairman,President & CEO, SNCtax withholding316$97.16$31K31,201Jun 29, 2026
Jun 1, 2026Kim Matthew M.Comptrolleropen-market sale10b5-1100$91.16$9K6,688Jun 1, 2026
May 24, 2026Womack Christopher CChairman, President & CEOoption exercise7,662$0.00—216,863May 26, 2026
May 24, 2026Womack Christopher CChairman, President & CEOtax withholding3,414$94.55$323K213,449May 26, 2026
May 1, 2026Kim Matthew M.Comptrolleropen-market sale10b5-1100$96.57$10K6,788May 4, 2026
Apr 1, 2026Kim Matthew M.Comptrolleroption exercise82$0.00—6,970Apr 2, 2026
Apr 1, 2026Kim Matthew M.Comptrollertax withholding82$96.94$8K6,888Apr 2, 2026
Mar 30, 2026Greene Kimberly S,Chairman, President & CEO, GPCopen-market sale10b5-125,000$96.67$2M103,602Mar 31, 2026
Mar 19, 2026Cummiskey ChristopherEVPopen-market sale6,669$96.55$644K30,800Mar 19, 2026
Mar 18, 2026Connally Stan WEVP & COOopen-market sale10b5-112,500$97.13$1M161,481Mar 19, 2026
Mar 8, 2026Drake Sloane NEVP & CHROtax withholding633$97.48$62K38,932Mar 10, 2026
Mar 8, 2026Drake Sloane NEVP & CHROoption exercise1,420$0.00—39,565Mar 10, 2026
Mar 6, 2026Spainhour Sterling A Jr.EVP & CLOdiscretionaryindirect6,330$97.64$618K704Mar 10, 2026
Feb 26, 2026Earley Anthony F JRDirectorgift15,000$0.00—9,261Mar 2, 2026
Feb 24, 2026Kim Matthew M.Comptrolleropen-market sale10b5-15,123$95.15$487K6,888Feb 25, 2026
Feb 16, 2026Womack Christopher CChairman, President & CEOtax withholding27,715$90.86$3M137,151Feb 17, 2026
Feb 16, 2026Womack Christopher CChairman, President & CEOtax withholding6,772$90.86$615K144,130Feb 17, 2026
Feb 16, 2026Womack Christopher CChairman, President & CEOtax withholding52,259$90.86$5M209,198Feb 17, 2026
Feb 16, 2026Womack Christopher CChairman, President & CEOaward62,223$0.00—164,866Feb 17, 2026
Feb 16, 2026Womack Christopher CChairman, President & CEOaward117,327$0.00—261,457Feb 17, 2026
Feb 16, 2026Womack Christopher CChairman, President & CEOoption exercise13,751$0.00—150,902Feb 17, 2026
Feb 11, 2026Kim Matthew M.Comptrolleraward4,450$0.00—14,025Feb 13, 2026
Feb 11, 2026Kim Matthew M.Comptrollertax withholding2,014$90.86$183K14,025Feb 13, 2026
Feb 11, 2026Cherry Pedro P.Chairman, President & CEO, MPCoption exercise406$0.00—7,016Feb 13, 2026
Feb 11, 2026Cherry Pedro P.Chairman, President & CEO, MPCtax withholding4,237$90.86$385K6,610Feb 13, 2026
Feb 11, 2026Cherry Pedro P.Chairman, President & CEO, MPCtax withholding196$90.86$18K6,820Feb 13, 2026
Feb 11, 2026Cherry Pedro P.Chairman, President & CEO, MPCaward9,699$0.00—10,847Feb 13, 2026
Feb 11, 2026Poroch David P.EVP & CFOoption exercise568$0.00—48,437Feb 13, 2026
Feb 11, 2026Poroch David P.EVP & CFOtax withholding2,914$90.86$265K47,869Feb 13, 2026
Feb 11, 2026Poroch David P.EVP & CFOaward9,454$0.00—50,783Feb 13, 2026
Feb 11, 2026Poroch David P.EVP & CFOtax withholding281$90.86$26K48,156Feb 13, 2026
Feb 11, 2026Sena Peter P IIIChairman,President & CEO, SNCtax withholding10,067$90.86$915K29,520Feb 13, 2026
Feb 11, 2026Sena Peter P IIIChairman,President & CEO, SNCtax withholding1,026$90.86$93K30,805Feb 13, 2026
Feb 11, 2026Sena Peter P IIIChairman,President & CEO, SNCoption exercise2,311$0.00—31,831Feb 13, 2026
Feb 11, 2026Sena Peter P IIIChairman,President & CEO, SNCaward22,698$0.00—39,587Feb 13, 2026
Feb 11, 2026Kerr, II James YChairman, President & CEO, GASoption exercise2,830$0.00—184,216Feb 13, 2026
Feb 11, 2026Kerr, II James YChairman, President & CEO, GAStax withholding1,394$90.86$127K182,822Feb 13, 2026
Feb 11, 2026Kerr, II James YChairman, President & CEO, GAStax withholding19,831$90.86$2M181,386Feb 13, 2026
Feb 11, 2026Kerr, II James YChairman, President & CEO, GASaward44,522$0.00—201,217Feb 13, 2026
Feb 11, 2026Spainhour Sterling A Jr.EVP & CLOtax withholding1,126$90.86$102K38,552Feb 13, 2026
Feb 11, 2026Spainhour Sterling A Jr.EVP & CLOoption exercise2,526$0.00—39,678Feb 13, 2026
Feb 11, 2026Spainhour Sterling A Jr.EVP & CLOtax withholding13,648$90.86$1M37,152Feb 13, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Greene Kimberly S,Chairman, President & CEO, GPCMar 30, 2026open-market sale103,602—$2M (1)1 of 1
Connally Stan WEVP & COOMar 18, 2026open-market sale161,481—$1M (1)1 of 1
Kim Matthew M.ComptrollerOct 1, 2026open-market sale4,888—$667K (8)7 of 8
Cummiskey ChristopherEVPMar 19, 2026open-market sale30,800—$644K (1)0 of 1
Sena Peter P IIIChairman,President & CEO, SNCSep 3, 2026open-market sale26,935—$378K (1)1 of 1
Spainhour Sterling A Jr.EVP & CLOAug 6, 2026open-market sale35,219—$313K (1)1 of 1
Womack Christopher CChairman, President & CEOMay 24, 2026option exercise216,863———
Drake Sloane NEVP & CHROMar 8, 2026tax withholding38,932———
Poroch David P.EVP & CFOFeb 11, 2026option exercise48,437———
Kerr, II James YChairman, President & CEO, GASFeb 11, 2026option exercise184,216———
Peoples James JeffreyChairman, President & CEO, APCFeb 11, 2026tax withholding42,140———
Anderson Bryan DEVPFeb 11, 2026tax withholding67,389———
Cherry Pedro P.Chairman, President & CEO, MPCFeb 11, 2026option exercise7,016———
Davis Martin BernardEVP & CIOMar 3, 2025open-market sale102,090———
Tucker Daniel SEVP & CFOFeb 13, 2025tax withholding73,727———
Wilson Anthony LChairman, President & CEO, MPCFeb 13, 2025option exercise98,738———
Earley Anthony F JRDirectorFeb 26, 2026gift9,261———

Questions

Are Southern Company insiders buying or selling?

Over the twelve months to November 1, 2026, 6 insiders at Southern Company sold $6M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $6M. Only open-market purchases and sales are counted.

Who sold the most Southern Company stock in the last year?

Greene Kimberly S, (Chairman, President & CEO, GPC) sold $2M in 1 open-market sale over the twelve months to November 1, 2026.

Do Southern Company executives sell under 10b5-1 plans?

11 of the 13 open-market sales in the last twelve months (85%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Southern Company

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.