Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Jan 31, 2026
Reporting period
Not applicable
Filed with the SEC
Feb 4, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references tax withholding
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-26-036070
Filed / recorded
Feb 4, 2026, 4:18 AM UTC
Added to OQRO
Oct 2, 2026, 12:28 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
SOUTHERN CO
Issuer CIK
92122
Ticker
SO
Reporting person
Sterling A Jr. Spainhour
Relationship
Officer
Officer title
EVP & CLO
Security
Performance Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Jan 31, 2026
Transaction code
M
Shares / units
2,571
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
2,571
Ownership form
Direct
Amendment
No
Footnotes from the filing
Represents second 1/3 of performance restricted stock units granted on January 31, 2024. The remaining award will vest in 2027. 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.