Pedro P. Cherry - 05 Feb 2026 Form 4 Insider Report for SOUTHERN CO (SO)

Reporting relationship: Chairman, President & CEO, MPC
Issuer ticker: SO
Reported as of: 05 Feb 2026
Net transaction value: -$20,584
SEC form: 4
Accepted by SEC: 09 Feb 2026, 08:39:23 UTC
Prior SEC filing: 03 Feb 2026
Next SEC filing: 13 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Brittney Anderson, Attorney-in-Fact for Pedro P. Cherry

Key filing fact

Pedro P. Cherry filed Form 4 for SOUTHERN CO (SO) on 09 Feb 2026.

Key facts

This page summarizes Pedro P. Cherry's Form 4 filing for SOUTHERN CO (SO).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 09 Feb 2026, 08:39.

Change

Previous filing in this sequence was filed on 03 Feb 2026.
Current net transaction value: -$20,584.

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 0001697382 Primary reporting owner

Cherry Pedro P.

Relationship: Chairman, President & CEO, MPC
Address: 30 IVAN ALLEN JR. BLVD., NW, ATLANTA
Signature: /s/ Brittney Anderson, Attorney-in-Fact for Pedro P. Cherry
Signature date: 09 Feb 2026

Reported non-derivative transactions

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

SO transaction

Southern Company Common Stock

Options Exercise

Transaction value: $0
Shares: +550
Change %: +67%
Price: $0.000000
Shares after: 1,374
Date: 05 Feb 2026
Ownership: Direct
Footnotes: F1

SO transaction

Southern Company Common Stock

Tax liability

Transaction value: $20,584
Shares: -226
Change %: -16%
Price: $91.08
Shares after: 1,148
Date: 05 Feb 2026
Ownership: Direct
Footnotes: F2

SO holding

Southern Company Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15,290
Date: 05 Feb 2026
Ownership: 401(k)

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SO transaction Derivative

Southern Co Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -531
Change %: -33%
Price: $0.000000
Shares after: 1,061
Date: 05 Feb 2026
Ownership: Direct
Underlying class: Southern Company Common Stock
Underlying amount: 531
Exercise price: $0.000000
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Shares acquired upon vesting of first 1/3 of restricted stock units granted on February 5, 2025. Includes 19 accrued dividend equivalent units.

Footnote F2

Shares withheld to satisfy required state and federal tax withholding requirements.

Footnote F3

Represents first 1/3 of restricted stock units granted on February 5, 2025. The remaining award will vest 1/3 in 2027 and 1/3 in 2028. Each restricted stock unit represents the right to receive, at settlement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.