KAISER ALUMINUM CORP

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

Heritage Family Offices, LLP's Holding History (CIK: 0002019316)

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

Q4 2025

Shares 3,172 Value ($000) $364 Avg Close $94.44 Range $74.45 - $118.43

Q3 2025

Shares 3,553 Value ($000) $274 Avg Close $78.15 Range $70.43 - $94.80

Q4 2024

Shares 2,855 Value ($000) $201 Avg Close $72.51 Range $59.90 - $82.61

Q3 2024

Shares 2,760 Value ($000) $200 Avg Close $72.43 Range $61.05 - $93.70

Q2 2024

Shares 2,755 Value ($000) $242 Avg Close $86.94 Range $79.83 - $95.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,172	$364	$94.44	$74.45 - $118.43
Q3 2025	3,553	$274	$78.15	$70.43 - $94.80
Q4 2024	2,855	$201	$72.51	$59.90 - $82.61
Q3 2024	2,760	$200	$72.43	$61.05 - $93.70
Q2 2024	2,755	$242	$86.94	$79.83 - $95.90