ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Iowa State Bank's Holding History (CIK: 0001546967)

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

Q1 2023
Shares 3,815 Value ($000) $204 Avg Close $48.28 Range $45.19 - $50.77
Q1 2022
Shares 3,948 Value ($000) $247 Avg Close $52.37 Range $48.33 - $55.78
Q4 2021
Shares 3,365 Value ($000) $207 Avg Close $50.05 Range $47.35 - $54.07
Q2 2018
Shares 6,084 Value ($000) $257 Avg Close $32.46 Range $30.20 - $34.35
Q1 2018
Shares 6,084 Value ($000) $249 Avg Close $30.84 Range $28.88 - $33.21
Q4 2017
Shares 13,484 Value ($000) $575 Avg Close $33.80 Range $31.68 - $35.41
Q3 2017
Shares 13,484 Value ($000) $561 Avg Close $32.04 Range $30.14 - $33.72
Q2 2017
Shares 13,484 Value ($000) $542 Avg Close $30.93 Range $29.83 - $32.31
Q1 2017
Shares 13,484 Value ($000) $534 Avg Close $29.08 Range $27.58 - $30.63
Q4 2016
Shares 13,484 Value ($000) $511 Avg Close $27.74 Range $26.27 - $29.13
Q3 2016
Shares 21,084 Value ($000) $808 Avg Close $29.26 Range $27.72 - $30.41
Q2 2016
Shares 21,084 Value ($000) $837 Avg Close $27.46 Range $25.25 - $29.85
Q1 2016
Shares 6,842 Value ($000) $508 Avg Close $24.74 Range $22.13 - $27.34
Q4 2015
Shares 6,842 Value ($000) $427 Avg Close $21.84 Range $20.45 - $23.41
Q3 2015
Shares 7,021 Value ($000) $411 Avg Close $21.20 Range $19.59 - $22.72
Q2 2015
Shares 7,121 Value ($000) $411 Avg Close $21.63 Range $20.41 - $22.74
Q1 2015
Shares 7,546 Value ($000) $475 Avg Close $23.04 Range $21.25 - $25.01
Q4 2014
Shares 5,306 Value ($000) $352 Avg Close $21.73 Range $19.32 - $24.55
Q3 2014
Shares 5,306 Value ($000) $294 Avg Close $20.07 Range $19.08 - $21.06
Q2 2014
Shares 5,306 Value ($000) $323 Avg Close $19.98 Range $19.02 - $21.06
Q1 2014
Shares 5,105 Value ($000) $290 Avg Close $18.07 Range $16.97 - $19.54
Q4 2013
Shares 4,877 Value ($000) $252 Avg Close $17.48 Range $16.43 - $18.23
Q3 2013
Shares 6,182 Value ($000) $306 Avg Close $17.15 Range $16.21 - $18.15
Q2 2013
Shares 6,182 Value ($000) $312 Avg Close $16.89 Range $15.60 - $17.85