ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 13,779 Value ($000) $896 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 10,968 Value ($000) $739 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 6,995 Value ($000) $423 Avg Close $60.10 Range $55.76 - $64.19

Q4 2017

Shares 1,575 Value ($000) $64 Avg Close $33.80 Range $31.68 - $35.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,779	$896	$66.83	$64.30 - $69.59
Q3 2025	10,968	$739	$63.88	$59.07 - $67.04
Q2 2025	6,995	$423	$60.10	$55.76 - $64.19
Q4 2017	1,575	$64	$33.80	$31.68 - $35.41