GREENE KIMBERLY S,

PrivateCIK: 1573512
Location

ATLANTA, GA

GREENE KIMBERLY S, (Chair & CEO, Southern Co. Gas) exercised options at SOUTHERN CO

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises
InsiderGREENE KIMBERLY S,CIK 1573512
IssuerSOUTHERN COCIK 92122
Officer· Chair & CEO, Southern Co. Gas
Since Dec 2018
-2.85K
Net shares
Net seller
$315.5K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
8.02K acquired · 10.87K disposed
Non-Derivative Transactions4

Southern Company Common Stock

Direct
M · Option Exercise

Shares

+4.01K

Price / share

Trade value

% of position

4.3%
1/31/2026
93.66K97.67K

Southern Company Common Stock

Direct
F · Tax Withholding

Shares

1.69K

Price / share

$89.31

Trade value

$151.11K

% of position

1.7%
1/31/2026
97.67K95.97K

Southern Company Common Stock

Direct
M · Option Exercise

Shares

+4.01K

Price / share

Trade value

% of position

4.2%
2/1/2026
95.97K99.99K

Southern Company Common Stock

Direct
F · Tax Withholding

Shares

1.84K

Price / share

$89.31

Trade value

$164.42K

% of position

1.8%
2/1/2026
99.99K98.14K
Total

Net shares

+4.48K

Net value

-$315.53K

Derivative Transactions2

Performance Restricted Stock Units

Direct
M · Option Exercise
Converts to

Southern Company Common Stock

3.74K shares

Shares

3.74K

Strike price

0

Held after

3.74K

Exercisable

1/31/2026

Performance Restricted Stock Units

Direct
M · Option Exercise
Converts to

Southern Company Common Stock

3.59K shares

Shares

3.59K

Strike price

0

Held after

0.00

Exercisable

2/1/2026
GREENE KIMBERLY S, — Insider Transaction (Form 4) Filed Feb 3, 2026 | Finecho