MULLER COLE

PrivateCIK: 2028529
Location

HOUSTON, TX

MULLER COLE (Chief Financial Officer) exercised options at TALEN ENERGY CORP

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

M · 2 exercises
InsiderMULLER COLECIK 2028529
IssuerTALEN ENERGY CORPCIK 1622536
Officer· Chief Financial Officer
Since Feb 2026
-121.63K
Net shares
Net seller
$8.86M
Total sold
0
Open market trades
0B · 0S
5
Total transactions
62.86K acquired · 184.49K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+5.27K

Price / share

Trade value

% of position

70.8%
5/22/2026
7.45K12.71K

Common Stock

Direct
M · Option Exercise

Shares

+57.59K

Price / share

Trade value

% of position

452.9%
5/22/2026
12.71K70.31K

Common Stock

Direct
F · Tax Withholding

Shares

27.34K

Price / share

$324.21

Trade value

$8.86M

% of position

38.9%
5/22/2026
70.31K42.97K
Total

Net shares

+35.52K

Net value

-$8.86M

Derivative Transactions2

2023 Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

13.18K shares

Shares

13.18K

Strike price

Held after

0.00

Exercisable

5/22/2026

2023 Performance-Based Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

143.98K shares

Shares

143.98K

Strike price

Held after

0.00

Exercisable

5/22/2026
MULLER COLE — Insider Transaction (Form 4) Filed May 27, 2026 | Finecho