Skip to content
Insider tapeFilings through Fri, Oct 2
SO

Southern Company insider trading

Utilities · Heavy selling
Close · Oct 5, 2026 $83.79 -9.4% over 12 months

Share price and insider trades

SO closeInsider buyInsider sale
80859095100NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $8,273 on 2026-10-01 · Matthew M. KimSold $8,845 on 2026-09-01 · Matthew M. KimSold $9,116 on 2026-06-01 · Matthew M. KimSold $9,428 on 2026-08-03 · Matthew M. KimSold $9,577 on 2026-07-01 · Matthew M. KimSold $9,657 on 2026-05-01 · Matthew M. KimSold $313,369 on 2026-08-06 · Sterling A Spainhour Jr.Sold $487,453 on 2026-02-24 · Matthew M. KimSold $502,343 on 2026-09-03 · Matthew M. Kim, Peter P Sena IIISold $643,892 on 2026-03-19 · Christopher CummiskeySold $1,214,125 on 2026-03-18 · Stan W ConnallySold $2,416,750 on 2026-03-30 · Kimberly S, Greene
Bought, 12 months$0
Sold, 12 months$5.6M
Insiders buying0
Insiders selling6

Valuation, profit and volume

P/E (trailing)20.2Sector median 19.6
Market value$96.39BUtilities - Regulated Electric
Profit margin15.4%Revenue growth +0.1%
Volume vs. 50-day1.4×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Southern Company insiders reported open-market purchases totaling $0, while 6 insiders reported sales totaling $5.6M. 11 of 13 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales. 125 grants, option exercises and tax withholdings are not shown.

Filed Insider Type Shares Price Value Since Score
Oct 1SEC Matthew M. KimComptroller Sell Plan 100 $82.73 $8K +1.3% —
Sep 4SEC Peter P Sena IIICEO, President Sell Plan 4,266 $88.59 $378K -5.4% —
Sep 4SEC Matthew M. KimComptroller Sell 1,400 $88.87 $124K -5.7% —
Sep 3SEC Matthew M. KimComptroller Sell Plan 100 $88.45 $9K -5.3% —
Aug 7SEC Sterling A Spainhour Jr.General Counsel Sell Plan 3,333 $94.02 $313K -10.9% —
Aug 4SEC Matthew M. KimComptroller Sell Plan 100 $94.28 $9K -11.1% —
Jul 2SEC Matthew M. KimComptroller Sell Plan 100 $95.77 $10K -12.5% —
Jun 1SEC Matthew M. KimComptroller Sell Plan 100 $91.16 $9K -8.1% —
May 4SEC Matthew M. KimComptroller Sell Plan 100 $96.57 $10K -13.2% —
Mar 31SEC Kimberly S, GreeneCEO, President Sell Plan 25,000 $96.67 $2.4M -13.3% —
Mar 19SEC Stan W ConnallyCOO Sell Plan 12,500 $97.13 $1.2M -13.7% —
Mar 19SEC Christopher CummiskeyEvp Sell 6,669 $96.55 $644K -13.2% —
Feb 25SEC Matthew M. KimComptroller Sell Plan 5,123 $95.15 $487K -11.9% —

Insiders at Southern Company

InsiderBoughtSoldLast filingScore
Kimberly S, GreeneCEO, President — $2.4M Mar 31, 2026 —
Stan W ConnallyCOO — $1.2M Mar 19, 2026 —
Matthew M. KimComptroller — $667K Oct 1, 2026 —
Christopher CummiskeyEvp — $644K Mar 19, 2026 —
Peter P Sena IIICEO, President — $378K Sep 4, 2026 —
Sterling A Spainhour Jr.General Counsel — $313K Aug 7, 2026 —
Christopher C WomackCEO, President — — May 26, 2026 —
Sloane N DrakeEvp & Chro — — Mar 10, 2026 —
Anthony F Earley Jr.Director — — Mar 2, 2026 —
Ii James Y Kerr,CEO, President — — Feb 13, 2026 —
James Jeffrey PeoplesCEO, President — — Feb 13, 2026 —
Bryan D AndersonEvp — — Feb 13, 2026 —
Pedro P. CherryCEO, President — — Feb 13, 2026 —
David P. PorochCFO — — Feb 13, 2026 —

Insider activity at other Utilities companies

Same sector, ranked by insider buying in the last 90 days.

  • VSTVistra Corp.$1.2M bought
  • CEGConstellation Energy$418K bought
  • EVRGEvergy$134K bought
  • ETREntergy$106K bought
  • PCGPG&E Corporation$92K bought
  • ATOAtmos Energy$50K bought

Common questions about SO insiders

Are Southern Company insiders buying SO stock?

In the past 12 months, 0 insiders reported open-market purchases of SO worth $0.

Are Southern Company insiders selling SO stock?

6 insiders reported sales worth $5.6M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.