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401k Sponsoring company profile

CENTURY ALUMINUM COMPANY has sponsored the creation of one or more 401k plans.

Company Name:CENTURY ALUMINUM COMPANY
Employer identification number (EIN):133070826
NAIC Classification:331310

Additional information about CENTURY ALUMINUM COMPANY

Jurisdiction of Incorporation:
Incorporation Date:
Company Identification Number:

More information about CENTURY ALUMINUM COMPANY

The following addresses have been detected on the 401k submissions:

USA Mailing Address
ONE SOUTH WACKER, SUITE 1000
CHICAGO
IL
60606
Date first seen: 2007-01-01
Date last seen: 2024-06-30
USA Mailing Address
2511 GARDEN ROAD
BUILDING A, SUITE 200
MONTEREY
CA
93940
Date first seen: 2007-01-01
Date last seen: 2024-07-31

The following addresses have been found in other jurisdictions:

Jurisdiction:Washington Department of State
Address:
CORPORATION SERVICE COMPANY
TUMWATER
WA
Jurisdiction Company ID:602731168
Jurisdiction Registration Date:2007-05-31
Jurisdiction:Washington Department of State
Address:
300 DESCHUTES WAY SW STE 304
TUMWATER
WA
Jurisdiction Company ID:602731168
Jurisdiction Registration Date:2007-05-31

Plan Sponsor Events

CENTURY ALUMINUM COMPANY 401k Plans

Plan id# Plan Name Plan Start Date Plan Effective Date
501CENTURY ALUMINUM MASTER WELFARE BENEFIT PLAN2014-01-01 2002-01-01
001CENTURY ALUMINUM EMPLOYEES RETIREMENT PLAN2015-01-01 1989-02-07
004CENTURY ALUMINUM 401(K) PLAN2015-01-01 1989-06-01
511CENTURY ALUMINUM COMPANY RETIREE WELFARE BENEFIT PLAN2016-01-01 2011-01-01
005CENTURY ALUMINUM CONSOLIDATED RETIREMENT PLAN2017-01-01 1989-02-07
006CENTURY ALUMINUM COMPANY DB MASTER TRUST2021-08-01 2021-08-01

401k Contributions

Contributions made to the plan for the plan year by employer(s) and employees. Schedule SB Part 4 Question 18. This is signed by an actuary:

DateType of contributionContribution Number of participants/employees Average contribution per participant
2023-09-14Employer Contributions $ 4,511,311 464 $ 9,723
2023-09-14Employee Contributions $ 4,511,311 464 $ 9,723
2022-11-29Employer Contributions $ 2,411,312 1 $ 2,411,312
2022-11-29Employee Contributions $ 2,411,312 1 $ 2,411,312
2016-01-15Employer Contributions $ 26,500 1 $ 26,500
2016-01-15Employee Contributions $ 26,500 1 $ 26,500
2015-10-15Employer Contributions $ 611,000 663 $ 922
2015-10-15Employee Contributions $ 611,000 663 $ 922
2015-09-15Employer Contributions $ 489,500 663 $ 738
2015-09-15Employee Contributions $ 489,500 663 $ 738
2015-07-15Employer Contributions $ 389,000 663 $ 587
2015-07-15Employee Contributions $ 389,000 663 $ 587
2015-04-15Employer Contributions $ 841,000 663 $ 1,268
2015-04-15Employee Contributions $ 841,000 663 $ 1,268
2015-03-31Employer Contributions $ 1,076,500 663 $ 1,624
2015-03-31Employee Contributions $ 1,076,500 663 $ 1,624
2014-10-15Employer Contributions $ 540,000 1328 $ 407
2014-10-15Employee Contributions $ 540,000 1328 $ 407
2014-09-15Employer Contributions $ 1,019,000 1328 $ 767
2014-09-15Employee Contributions $ 1,019,000 1328 $ 767
2014-07-15Employer Contributions $ 864,000 1328 $ 651
2014-07-15Employee Contributions $ 864,000 1328 $ 651
2014-04-15Employer Contributions $ 864,000 1328 $ 651
2014-04-15Employee Contributions $ 864,000 1328 $ 651
2014-01-15Employer Contributions $ 549,000 1328 $ 413
2014-01-15Employee Contributions $ 549,000 1328 $ 413
2013-10-15Employer Contributions $ 549,000 274 $ 2,004
2013-10-15Employee Contributions $ 549,000 274 $ 2,004
2013-09-13Employer Contributions $ 215,000 274 $ 785
2013-09-13Employee Contributions $ 215,000 274 $ 785
2013-07-15Employer Contributions $ 549,000 274 $ 2,004
2013-07-15Employee Contributions $ 549,000 274 $ 2,004
2013-04-15Employer Contributions $ 549,000 274 $ 2,004
2013-04-15Employee Contributions $ 549,000 274 $ 2,004
2013-01-15Employer Contributions $ 569,000 274 $ 2,077
2013-01-15Employee Contributions $ 569,000 274 $ 2,077
2012-10-14Employer Contributions $ 634,000 787 $ 806
2012-10-14Employee Contributions $ 634,000 787 $ 806
2012-09-14Employer Contributions $ 225,000 787 $ 286
2012-09-14Employee Contributions $ 225,000 787 $ 286
2012-07-15Employer Contributions $ 634,000 787 $ 806
2012-07-15Employee Contributions $ 634,000 787 $ 806
2012-07-13Employer Contributions $ 759,000 787 $ 964
2012-07-13Employee Contributions $ 759,000 787 $ 964
2012-04-15Employer Contributions $ 634,000 787 $ 806
2012-04-15Employee Contributions $ 634,000 787 $ 806
2012-04-13Employer Contributions $ 759,000 787 $ 964
2012-04-13Employee Contributions $ 759,000 787 $ 964
2012-03-21Employer Contributions $ 819,000 787 $ 1,041
2012-03-21Employee Contributions $ 819,000 787 $ 1,041
2012-01-13Employer Contributions $ 634,000 787 $ 806
2012-01-13Employee Contributions $ 634,000 787 $ 806
2011-09-15Employer Contributions $ 683,000 826 $ 827
2011-09-15Employee Contributions $ 683,000 826 $ 827
2011-03-31Employer Contributions $ 3,300,000 826 $ 3,995
2011-03-31Employee Contributions $ 3,300,000 826 $ 3,995
2011-01-15Employer Contributions $ 522,000 826 $ 632
2011-01-15Employee Contributions $ 522,000 826 $ 632
2010-10-15Employer Contributions $ 522,000 182 $ 2,868
2010-10-15Employee Contributions $ 522,000 182 $ 2,868

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