Kaiser Aluminum Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:KLU1 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
29 Apr 26	Sell€223,494	Richard Grimley	Individual	1,524	€146.65
29 Apr 26	Sell€448,667	Keith Harvey	Individual	3,031	€148.03
28 Apr 26	Sell€739,948	Neal West	Individual	5,000	€147.99
27 Apr 26	Sell€2,230,390	Brett Wilcox	Individual	15,000	€148.69
27 Apr 26	Sell€7,014,745	Keith Harvey	Individual	47,001	€149.25
27 Apr 26	Sell€416,659	John Donnan	Individual	2,743	€151.90
27 Apr 26	Sell€25,988	Iulian Gheorghe	Individual	175	€148.51
23 Feb 26	Sell€1,956,898	John Donnan	Individual	18,461	€106.00
23 Feb 26	Sell€515,789	Neal West	Individual	5,000	€103.16
07 Nov 25	Sell€702,105	Blain Tiffany	Individual	8,656	€81.11

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of KLU1?
Owner Type	Number of Shares	Ownership Percentage
State or Government	7,222	0.0428%
Individual Insiders	196,896	1.17%
Institutions	16,683,750	98.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 75.72% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
17.7%	BlackRock, Inc.	2,870,588	€378.9m	0.97%	no data
8.72%	Vanguard Portfolio Management, LLC	1,413,170	€186.5m	7.98%	0.01%
8.13%	State Street Investment Management	1,317,519	€173.9m	-1.16%	0.01%
5.08%	Vanguard Capital Management, LLC	822,785	€108.6m	5.9%	no data
4.79%	Dimensional Fund Advisors LP	775,944	€102.4m	-5.18%	0.01%
4.19%	Nomura Investment Management Business Trust	679,387	€89.7m	-4.87%	0.13%
2.91%	Geode Capital Management, LLC	471,735	€62.3m	16.8%	no data
2.72%	American Century Investment Management Inc	439,923	€58.1m	-8.12%	0.02%
2.59%	Barrow, Hanley, Mewhinney & Strauss, LLC	419,050	€55.3m	-21%	0.17%
2.18%	Fisher Asset Management, LLC	352,761	€46.6m	15.9%	0.02%
1.6%	Charles Schwab Investment Management, Inc.	259,875	€34.3m	-7.44%	no data
1.6%	Putnam LLC	259,063	€34.2m	0%	0.02%
1.5%	Invesco Capital Management LLC	243,066	€32.1m	-4.82%	no data
1.43%	Systematic Financial Management LP	232,240	€30.7m	-4.43%	0.68%
1.21%	BNY Asset Management	195,759	€25.8m	-0.38%	no data
1.15%	Northern Trust Global Investments	185,992	€24.6m	6.55%	no data
1.1%	Wellington Management Group LLP	178,672	€23.6m	-46.2%	no data
1.01%	Westfield Capital Management Company, L.P.	163,465	€21.6m	0%	0.08%
0.96%	Two Sigma Investments, LP	156,166	€20.6m	29.5%	0.02%
0.95%	Bridgeway Capital Management, LLC	153,334	€20.2m	-26.3%	0.28%
0.93%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	151,329	€20.0m	0.67%	no data
0.85%	First Eagle Investment Management, LLC	138,431	€18.3m	25%	0.02%
0.81%	Morgan Stanley	131,890	€17.4m	18.1%	no data
0.79%	Goldman Sachs Asset Management, L.P.	128,476	€17.0m	452%	no data
0.78%	Algert Global LLC	125,576	€16.6m	50%	0.23%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/23 10:18
End of Day Share Price	2026/08/21 00:00
Earnings	2026/06/30
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Kaiser Aluminum Corporation is covered by 17 analysts. 4 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Paul Luther	BofA Global Research
Jorge Beristain	Deutsche Bank
Sohail Tharani	Goldman Sachs