Christopher Cummiskey - 19 Mar 2026 Form 4 Insider Report for SOUTHERN CO (SO)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
19 Mar 2026, 16:00:03 UTC
Prior SEC filing
13 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Brittney Anderson, Attorney-in-Fact for Christopher Cummiskey

Key filing fact

Christopher Cummiskey filed Form 4 for SOUTHERN CO (SO) on 19 Mar 2026.

Key facts

  • This page summarizes Christopher Cummiskey's Form 4 filing for SOUTHERN CO (SO).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 19 Mar 2026, 16:00.

Change

  • Previous filing in this sequence was filed on 13 Feb 2026.
  • Current net transaction value: -$643,892.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001642170 Primary reporting owner

Cummiskey Christopher

Relationship
EVP
Address
30 IVAN ALLEN JR BLVD NW, ATLANTA
Signature
/s/ Brittney Anderson, Attorney-in-Fact for Christopher Cummiskey
Signature date
19 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SO transaction

Southern Company Common Stock

Sale

Transaction value
$643,892
Shares
-6,669
Change %
-18%
Price
$96.55
Shares after
30,800
Date
19 Mar 2026
Ownership
Direct
SO holding

Southern Company Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,857
Date
19 Mar 2026
Ownership
401(k)
* marks a reported price that did not pass the local price check.
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