Century Aluminum Company401(k)
CENTURY ALUMINUM 401(K) PLAN · CHICAGO, IL · plan year 2024
Peer grade: A- · admin costs + employer contributions vs same-size plans · how grading works
Century Aluminum Company reported $69,828 in plan administrative expenses for 2024: 0.05% of average plan assets, lower than ~75% of peers. Employer contributions averaged $4,302 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.
Across the 2 years on file its reported administrative ratio fell from 0.07% to 0.05%. The plan sits in the $50M–$250M size bracket, benchmarked here against 10,352 comparable plans and shown alongside other manufacturing employers. By assets it is the 412th-largest of 3,702 plans among Illinois employers on file, and the 1,416th of 13,661 in manufacturing. In 2024, employees put in $1.25 for every $1.00 the employer contributed.
Century Aluminum Company's 2024 employer contribution ran above the $3,635 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.
Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.
Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.
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Source: U.S. Department of Labor, Form 5500 series, EIN 133070826 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.