KAISER ALUMINUM CORP

Ticker: KALU CUSIP: 483007704 Class: COM PAR $0.01

FIRST NATIONAL BANK OF OMAHA's Holding History (CIK: 0000036644)

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

Q4 2025

Shares 7,648 Value ($000) $878 Avg Close $94.44 Range $74.45 - $118.43

Q3 2025

Shares 7,813 Value ($000) $603 Avg Close $78.15 Range $70.43 - $94.80

Q2 2025

Shares 7,650 Value ($000) $611 Avg Close $66.35 Range $45.18 - $80.04

Q1 2025

Shares 7,273 Value ($000) $441 Avg Close $67.41 Range $56.79 - $74.43

Q4 2024

Shares 7,256 Value ($000) $510 Avg Close $72.51 Range $59.90 - $82.61

Q3 2024

Shares 7,975 Value ($000) $578 Avg Close $72.43 Range $61.05 - $93.70

Q2 2024

Shares 8,251 Value ($000) $725 Avg Close $86.94 Range $79.83 - $95.90

Q1 2024

Shares 7,273 Value ($000) $441 Avg Close $64.90 Range $54.61 - $84.11

Q4 2023

Shares 9,334 Value ($000) $664 Avg Close $57.95 Range $49.25 - $68.22

Q3 2023

Shares 9,693 Value ($000) $729 Avg Close $68.63 Range $60.46 - $80.14

Q2 2023

Shares 9,881 Value ($000) $708 Avg Close $59.13 Range $50.97 - $66.79

Q1 2023

Shares 7,980 Value ($000) $596 Avg Close $71.37 Range $54.20 - $83.84

Q4 2022

Shares 8,302 Value ($000) $1 Avg Close $70.19 Range $54.19 - $85.75

Q3 2022

Shares 9,051 Value ($000) $555 Avg Close $63.78 Range $51.54 - $73.18

Q2 2022

Shares 9,402 Value ($000) $744 Avg Close $80.35 Range $59.75 - $92.46

Q1 2022

Shares 9,958 Value ($000) $938 Avg Close $82.30 Range $72.65 - $90.86

Q4 2021

Shares 11,995 Value ($000) $1,127 Avg Close $85.61 Range $74.52 - $100.42

Q3 2021

Shares 12,958 Value ($000) $1,412 Avg Close $100.12 Range $87.22 - $109.89

Q2 2021

Shares 14,349 Value ($000) $1,586 Avg Close $104.28 Range $88.44 - $118.01

Q1 2021

Shares 14,349 Value ($000) $1,586 Avg Close $89.93 Range $70.47 - $107.89

Q4 2020

Shares 16,080 Value ($000) $1,590 Avg Close $63.11 Range $43.02 - $82.89

Q3 2020

Shares 9,521 Value ($000) $510 Avg Close $52.20 Range $41.23 - $59.72

Q2 2020

Shares 9,593 Value ($000) $706 Avg Close $57.52 Range $45.96 - $70.38

Q1 2020

Shares 9,662 Value ($000) $669 Avg Close $75.30 Range $43.72 - $89.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,648	$878	$94.44	$74.45 - $118.43
Q3 2025	7,813	$603	$78.15	$70.43 - $94.80
Q2 2025	7,650	$611	$66.35	$45.18 - $80.04
Q1 2025	7,273	$441	$67.41	$56.79 - $74.43
Q4 2024	7,256	$510	$72.51	$59.90 - $82.61
Q3 2024	7,975	$578	$72.43	$61.05 - $93.70
Q2 2024	8,251	$725	$86.94	$79.83 - $95.90
Q1 2024	7,273	$441	$64.90	$54.61 - $84.11
Q4 2023	9,334	$664	$57.95	$49.25 - $68.22
Q3 2023	9,693	$729	$68.63	$60.46 - $80.14
Q2 2023	9,881	$708	$59.13	$50.97 - $66.79
Q1 2023	7,980	$596	$71.37	$54.20 - $83.84
Q4 2022	8,302	$1	$70.19	$54.19 - $85.75
Q3 2022	9,051	$555	$63.78	$51.54 - $73.18
Q2 2022	9,402	$744	$80.35	$59.75 - $92.46
Q1 2022	9,958	$938	$82.30	$72.65 - $90.86
Q4 2021	11,995	$1,127	$85.61	$74.52 - $100.42
Q3 2021	12,958	$1,412	$100.12	$87.22 - $109.89
Q2 2021	14,349	$1,586	$104.28	$88.44 - $118.01
Q1 2021	14,349	$1,586	$89.93	$70.47 - $107.89
Q4 2020	16,080	$1,590	$63.11	$43.02 - $82.89
Q3 2020	9,521	$510	$52.20	$41.23 - $59.72
Q2 2020	9,593	$706	$57.52	$45.96 - $70.38
Q1 2020	9,662	$669	$75.30	$43.72 - $89.78