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SO

The Southern

XNYS · ELECTRIC SERVICES

4 articles20 insider tx0 holders0 supply chain9 selling intent filings0 new insiders

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

SELLING INTENT

The Southern's Matthew Kim (Officer) Filed Intent to Sell

The Southern (SO) had 1 Form 144 pre-sale notice filed on 2026-08-03. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction. At least one filing…

8/10/2026
SELLING INTENT

The Southern's Matthew Kim (Officer) Filed Intent to Sell

The Southern (SO) had 1 Form 144 pre-sale notice filed on 2026-07-01. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction. At least one filing…

7/3/2026
SELLING INTENT

The Southern's Matthew M. Kim (Officer) Filed Intent to Sell

The Southern (SO) had 1 Form 144 pre-sale notice filed on 2026-06-01. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction. At least one filing…

6/2/2026

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Recent insider activity

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$10.0M$5.0M$0-$5.0M-$10.0M2024-10 -$2.7M2024-11 -$70K2024-12 -$1.3M2025-01 $02025-02 -$1.5M2025-03 -$6.5M2025-04 $02025-05 -$1.1M2025-06 $02025-07 -$1.3M2025-08 -$226K2025-09 -$582K2025-10 $02025-11 $02025-12 $02026-01 $02026-02 -$487K2026-03 -$4.3M2026-04 $02026-05 -$10K2026-06 -$9K2026-07 -$10K2026-08 -$323K2026-09 -$511K2026-10 -$8KOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

open-market Form 4 only - grants, exercises, tax withholding excluded

0 buyers - 4 unique sellers · Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Date Insider Title Type Shares Price Value
October 1, 2026 Kim Matthew M. Comptroller SELL -100 $83 ~$8K
September 3, 2026 Sena Peter P III Chairman,President & CEO, SNC SELL -4,266 $89 ~$0.4M
September 3, 2026 Kim Matthew M. Comptroller SELL -1,400 $89 ~$0.1M
September 1, 2026 Kim Matthew M. Comptroller SELL -100 $88 ~$9K
August 6, 2026 Spainhour Sterling A Jr. EVP & CLO SELL -3,333 $94 ~$0.3M
August 3, 2026 Kim Matthew M. Comptroller SELL -100 $94 ~$9K
July 1, 2026 Kim Matthew M. Comptroller SELL -100 $96 ~$10K
July 1, 2026 Earley Anthony F Jr — GRANT 473.09 $95 ~$45K
July 1, 2026 Earley Anthony F Jr — GRANT 229.97 $95 ~$22K
July 1, 2026 Cooper Shantella E. — GRANT 473.09 $95 ~$45K
July 1, 2026 Smith William G Jr — GRANT 867.33 $95 ~$83K
July 1, 2026 Meador David E — GRANT 801.62 $95 ~$76K
July 1, 2026 Grain David J — GRANT 854.18 $95 ~$81K
July 1, 2026 Turner John M JR — GRANT 801.62 $95 ~$76K
July 1, 2026 Thomas Lizanne — GRANT 473.09 $95 ~$45K
July 1, 2026 Svinicki Kristine L — GRANT 473.09 $95 ~$45K
July 1, 2026 Johns John D — GRANT 473.09 $95 ~$45K
July 1, 2026 Etheredge James O — GRANT 473.09 $95 ~$45K
July 1, 2026 Akella Janaki — GRANT 473.09 $95 ~$45K
June 28, 2026 Sena Peter P III Chairman,President & CEO, SNC OPTION_EXERCISE 712 — —

Insider Selling Intent (Form 144)

Date Filer Relationship Est. shares Filing
October 1, 2026 Matthew M. Kim — — SEC
September 3, 2026 — — — SEC
September 3, 2026 Peter P Sena Iii — — SEC
September 1, 2026 Matthew Kim — — SEC
August 6, 2026 Sterling Spainhour — — SEC
August 3, 2026 Matthew Kim — — SEC
July 1, 2026 Matthew Kim — — SEC
June 1, 2026 Matthew M. Kim — — SEC
May 1, 2026 Matthew Kim — — SEC
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