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
Apr 1, 2026
Reporting period
Not applicable
Filed with the SEC
Apr 3, 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
0001193125-26-140265
Filed / recorded
Apr 3, 2026, 12:30 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
Matthew M. Kim
Relationship
Officer
Officer title
Comptroller
Security
Performance Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Apr 1, 2026
Transaction code
M
Shares / units
42
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
975
Ownership form
Direct
Amendment
No
Footnotes from the filing
Represents restricted stock units granted on February 11, 2026, payable in Southern Company common stock and vest every year on the first, second and third anniversary of the grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy income tax requirements.