ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

PEAK6 LLC's Holding History (CIK: 0001389958)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 33,753 Value ($000) $2,275 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 17,994 Value ($000) $1,088 Avg Close $60.10 Range $55.76 - $64.19

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	33,753	$2,275	$63.88	$59.07 - $67.04
Q2 2025	17,994	$1,088	$60.10	$55.76 - $64.19