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STRATUSWORKFORCE SCAN

Kaiser Aluminum Corporation (KALU)

Aluminum rolling and extrusion mills, corporate counted. Read November 8, 2026 from the annual report for the period ending December 31, 2025, filed February 19, 2026. Ranked 57 of the 84 Basic Materials companies read so far, by the share within reach now.

Within reach now

23%

projected from METR's April 2026 measurement and Epoch's November 2026 index

End of 2028

28%

Employees, annual report

3,840

Leading staffing pattern

Alumina and Aluminum Production and Processing

Share of the working time within reach, long-run pace, four times in five

Now is projected from METR's April 2026 measurement and Epoch's November 2026 index.

  • Now23%
  • End of 202727%
  • End of 202828%
  • End of 203028%

What changes for its people by the end of 2028, by its industries' figures

  • Stays with people 70%
  • Becomes checking a model's work 25%
  • Handed over with lighter checks 4%

Kaiser Aluminum states 3,840 employees, 3,760 at its manufacturing, sales and support locations read at aluminum production and processing and 80 corporate read at management of companies, a majority union.

The figures on this page come from the company's own annual report and from BLS staffing patterns for its industries, never from a roster. They are estimates with a stated method. Nothing here says what the company will do: within reach is not a forecast of jobs lost or of savings.

What follows from the reading

Share of working time within reach of AI, on the long-run pace at four in five: 23% now, 27% at the end of 2027, 28% at the end of 2028, 28% at the end of 2030. By the patterns, the work is about 28% desk work, 10% people work and 63% body work. These are the site's industry estimates weighted by the shares below: estimates with a stated method and range, not a forecast of what the company will do. By the same patterns, at the end of 2028 about 70% of the working time stays with people (conversation, in-person and hands-on work), 25% becomes checking a model's work and 4% could be handed over with lighter checks, from the industries' own figures, not the company's roles.

Headcount

3,840 employees as of December 31, 2025 (stated). The filing states no count by country; its rolling mills and extrusion plants are in the United States with one in Canada, and 96% of revenue is in the United States by the data service.

The filing: “At December 31, 2025, we employed 3,840 people, of which approximately 3,760 were employed in our manufacturing, sales, and support office locations and approximately 80 were employed in a corporate capacity.”

The workforce as industry patterns

PatternShareReason, from the filing
Alumina and Aluminum Production and Processing98%Stated count (a): approximately 3,760 employees at the manufacturing, sales and support office locations roll, extrude and finish aluminum sheet, plate and extrusions for packaging, aerospace, general engineering and automotive markets, aluminum processing, NAICS 3313, the SIC 3350 business.
Management of Companies and Enterprises2%Stated count (a): approximately 80 employees in a corporate capacity, a stated corporate count that rule 6 sends to management of companies, kept under five percent because it is counted.

What the filing says about the workforce: 3,840 employees, 3,760 at manufacturing, sales and support office locations and 80 corporate; a majority are union members, with no share stated; safety overseen by the Executive Vice President of Manufacturing in partnership with the USW.

Companies read with the same leading pattern

Other companies whose largest staffing pattern is also Alumina and Aluminum Production and Processing, largest first, each read from its own annual report. Within reach now and at the end of 2028, long-run pace, four in five. Now is projected from METR's April 2026 measurement and Epoch's November 2026 index.

What the filing says about AI

4 sentences in the filing name AI. The filing names AI in four sentences: among the sustainability considerations stakeholders focus on and among the methods making cyberattacks more sophisticated.

Its annual reports, year by year

Sentences naming AI in each annual report, counted by one rule, beside the median report in the Index that year. Each count links its filing. Every company, by year and sector

Headcount by filing year

As reported in each year's annual report, with the filing. A year marked not read had no figure the reading could take from the report's text.

PeriodEmployeesFiledFiling
2025-12-313,8402026-02-1910-K
2024-12-314,0002025-02-2010-K
2023-12-314,0002024-02-2310-K
2022-12-314,0002023-02-2410-K
2021-12-313,9572022-03-0110-K
2020-12-312,5752021-02-2610-K
2019-12-312,8202020-02-2510-K
2018-12-312,8602019-02-2210-K
2017-12-312,7702018-02-2310-K
2016-12-312,7602017-02-2210-K
2015-12-312,7902016-02-2210-K
2014-12-312,6502015-02-2010-K
2013-12-312,6502014-02-1810-K
2012-12-312,6002013-02-2110-K
2011-12-312,6002012-02-2910-K
2010-12-312,3002011-02-2210-K
2009-12-312,1002010-02-2410-K
2008-12-312,5002009-02-2010-K
2007-12-312,6002008-02-2610-K
2006-12-312,4252007-03-2910-K
2005-12-312,4002006-03-3110-K
2004-12-312,2602005-03-3110-K
2003-12-314,5002004-03-3010-K
2002-12-315,2002003-03-3110-K
2001-12-315,8002002-04-1210-K
2000-12-317,3002001-03-3010-K
1999-12-319,2002000-03-1010-K
1998-12-319,6001999-03-3110-K
1997-12-319,5671998-03-2610-K
1996-12-319,5461997-03-2810-K
1995-12-319,7441996-03-2810-K
1994-12-3110,2201995-03-2710-K
1993-12-3110,1301994-03-3110-K

Limits of this reading

Source: the company's annual report on EDGAR, accession 0001193125-26-059575, the filing. Read by Claude Fable 5.1 under rubric version 1, by the method. A company can write to info@stratussc.com to have its reading checked against its filing.

The report on Kaiser Aluminum Corporation, $29

This page as a document to keep, with what it does not show: the share within reach at every date on three paces and two reliabilities, a typical workforce of this shape at the stated headcount role by role and task by task (the industries' staffing, never the company's roster), where to start, what changes for the people and what they would learn, every sentence in the filing that names AI, the headcount by year, the companies read with the same leading pattern, the method and a citation line. To print or save as a PDF, open again in your browser for a year.

See the report, $29See the sample first: Walmart's report is free

Questions about this company

How much of Kaiser Aluminum Corporation's working time is within reach of AI?
An estimated 23% now and 28% by the end of 2028, on METR's long-run pace at four in five, from the workforce Kaiser Aluminum Corporation's own annual report describes and BLS staffing patterns for its industries, never from a roster. It is an estimate with a stated method. It is not a forecast of jobs lost or of savings, and it says nothing about what the company will do.
How many people does Kaiser Aluminum Corporation employ?
3,840 as of December 31, 2025, as its annual report for the period ending December 31, 2025 states.
What kinds of work make up Kaiser Aluminum Corporation's workforce?
Read from its annual report as a blend of 2 industry staffing patterns, the largest Alumina and Aluminum Production and Processing; by those patterns the work is about 28% desk work, 10% people work and 63% body work. Each share has a one-sentence reason on this page that can be checked against the filing.
What does Kaiser Aluminum Corporation's annual report say about AI?
4 sentences in the filing name AI. Its annual reports for fiscal 2021 to 2025 name it in 0, 0, 0, 1 and 4 sentences, year by year. They are counted and quoted on this page, never judged: a count says how much a filing talks about AI, not what the company does with it.
How is this estimated?
Claude Fable 5.1 read the annual report under the Index's written rubric (version 1) on November 8, 2026: the stated headcount, the share in the U.S. when stated, and the workforce as a blend of industry staffing patterns. The estimates are the site's industry estimates weighted by those shares, from O*NET tasks with estimated lengths and METR's measurements of how long a task AI models can finish. A company can write to info@stratussc.com to have its reading checked against its filing.
Embed these figures on your site

A small card with the share of working time within reach now and at the end of 2027, 2028 and 2030, the date and a link back. Free under CC BY 4.0; the card carries the credit.

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