ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Scarborough Advisors, LLC's Holding History (CIK: 0001815355)

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

Q4 2025

Shares 217 Value ($000) $14 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 240 Value ($000) $16 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 456 Value ($000) $28 Avg Close $60.10 Range $55.76 - $64.19

Q2 2024

Shares 592 Value ($000) $30 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 588 Value ($000) $30 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 542 Value ($000) $28 Avg Close $46.45 Range $41.77 - $50.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	217	$14	$66.83	$64.30 - $69.59
Q3 2025	240	$16	$63.88	$59.07 - $67.04
Q2 2025	456	$28	$60.10	$55.76 - $64.19
Q2 2024	592	$30	$47.71	$44.54 - $49.81
Q1 2024	588	$30	$46.11	$44.14 - $48.90
Q4 2023	542	$28	$46.45	$41.77 - $50.29