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Mailing Address 1 SOUTH WACKER DRIVE SUITE 1000 CHICAGO IL 60606
Business Address 1 SOUTH WACKER DRIVE SUITE 1000 CHICAGO IL 60606 3126963101
CENTURY ALUMINUM CO CIK#: 0000949157 (see all company filings)

SIC: 3334 - PRIMARY PRODUCTION OF ALUMINUM
State location: IL | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 04 Manufacturing)
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Items 1 - 40  0000949157 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000949157-24-000033 (34 Act)  Size: 194 KB
2024-03-25 001-34474
24776852
IRANNOTICE  Documents Notice of disclosure filed pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (Exchange Act Section 13(r)).
Acc-no: 0000949157-24-000029 (34 Act)  Size: 6 KB
2024-03-15 001-34474
24754654
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000949157-24-000028 (34 Act)  Size: 17 MB
2024-03-15 001-34474
24754643
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000949157-24-000020 (34 Act)  Size: 597 KB
2024-02-21 001-34474
24659421
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020027 (34 Act)  Size: 13 KB
2024-02-13 005-47307
24627083
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-24-000220 (34 Act)  Size: 8 KB
2024-01-25 005-47307
24559582
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-002006 (34 Act)  Size: 13 KB
2024-01-24 005-47307
24554641
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001104659-24-001816 (34 Act)  Size: 400 KB
2024-01-05 005-47307
24516593
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000949157-23-000074 (34 Act)  Size: 1 MB
2023-12-19 001-34474
231495599
IRANNOTICE  Documents Notice of disclosure filed pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (Exchange Act Section 13(r)).
Acc-no: 0000949157-23-000072 (34 Act)  Size: 6 KB
2023-11-08 001-34474
231387883
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000949157-23-000071 (34 Act)  Size: 8 MB
2023-11-08 001-34474
231387857
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000949157-23-000070 (34 Act)  Size: 473 KB
2023-11-08 001-34474
231387802
IRANNOTICE  Documents Notice of disclosure filed pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (Exchange Act Section 13(r)).
Acc-no: 0000949157-23-000066 (34 Act)  Size: 6 KB
2023-08-09 001-34474
231155255
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000949157-23-000065 (34 Act)  Size: 9 MB
2023-08-09 001-34474
231155220
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000949157-23-000063 (34 Act)  Size: 465 KB
2023-08-09 001-34474
231155088
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-001704 (33 Act)  Size: 14 KB
2023-06-09 16:00:00 333-270681
231006983
8-K  Documents   Interactive Data Current report, items 5.02, 5.07, and 9.01
Acc-no: 0000949157-23-000053 (34 Act)  Size: 255 KB
2023-06-09 001-34474
231005216
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001104659-23-069374 Size: 16 KB
2023-06-08
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001104659-23-060950 Size: 14 KB
2023-05-15
S-3/A  Documents [Amend] Registration statement under Securities Act of 1933
Acc-no: 0001104659-23-059816 (33 Act)  Size: 415 KB
2023-05-12 333-270681
23916620
IRANNOTICE  Documents Notice of disclosure filed pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (Exchange Act Section 13(r)).
Acc-no: 0000949157-23-000036 (34 Act)  Size: 6 KB
2023-05-09 001-34474
23901985
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000949157-23-000035 (34 Act)  Size: 7 MB
2023-05-09 001-34474
23901942
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000949157-23-000032 (34 Act)  Size: 497 KB
2023-05-08 001-34474
23897876
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001104659-23-056583 (34 Act)  Size: 829 KB
2023-05-05 001-34474
23894389
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000949157-23-000030 (34 Act)  Size: 1 MB
2023-04-18 001-34474
23827102
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0000949157-23-000029 (34 Act)  Size: 13 MB
2023-04-18 001-34474
23827020
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-002886 Size: 48 KB
2023-03-23
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001104659-23-034009 (33 Act)  Size: 544 KB
2023-03-17 333-270681
23743855
IRANNOTICE  Documents Notice of disclosure filed pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (Exchange Act Section 13(r)).
Acc-no: 0000949157-23-000024 (34 Act)  Size: 6 KB
2023-02-27 001-34474
23675629
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000949157-23-000023 (34 Act)  Size: 15 MB
2023-02-27 001-34474
23675527
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000949157-23-000020 (34 Act)  Size: 624 KB
2023-02-23 001-34474
23659549
POSASR  Documents Post-effective Amendment to an automatic shelf registration statement
Acc-no: 0001104659-23-021950 (33 Act)  Size: 507 KB
2023-02-14 333-265125
23631487
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-23-000391 (34 Act)  Size: 10 KB
2023-02-09 005-47307
23602222
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015073 (34 Act)  Size: 12 KB
2023-02-09 005-47307
23602025
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-004421 (34 Act)  Size: 13 KB
2023-01-26 005-47307
23554628
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-000499 (34 Act)  Size: 13 KB
2023-01-20 005-47307
23539132
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001104659-22-127446 (34 Act)  Size: 294 KB
2022-12-16 005-47307
221465928
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001104659-22-127445 (34 Act)  Size: 355 KB
2022-12-16 005-47307
221465917
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0000949157-22-000057 (34 Act)  Size: 14 MB
2022-12-12 001-34474
221457219
IRANNOTICE  Documents Notice of disclosure filed pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (Exchange Act Section 13(r)).
Acc-no: 0000949157-22-000054 (34 Act)  Size: 6 KB
2022-11-07 001-34474
221365467