Century Aluminum CENX SEC Filings

NASDAQ CENX
$34.52 +1.02 (+3.04%)
At close: Oct 21, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Century Aluminum Co (CENX) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1SCHEDULE 13G/AOthers0002012383-26-003330Oct 5, 2026 11:58 AM
2SDOthers0001628280-26-063231Sep 23, 2026 4:34 PM
3SCHEDULE 13GBeneficial Ownership Report0000093751-26-000430Aug 7, 2026 12:57 PM
410-QQuarterly & Annual Report0001628280-26-054308Aug 6, 2026 8:11 PM
58-KCurrent Report0001628280-26-054300Aug 6, 2026 8:09 PM
6SCHEDULE 13GBeneficial Ownership Report0002012383-26-002282Jul 27, 2026 8:25 PM
74Insider Transaction0001628280-26-043961Jun 17, 2026 8:45 PM
84Insider Transaction0001628280-26-043950Jun 17, 2026 8:43 PM
94Insider Transaction0001628280-26-043946Jun 17, 2026 8:41 PM
104Insider Transaction0001628280-26-043942Jun 17, 2026 8:38 PM
114Insider Transaction0001628280-26-043939Jun 17, 2026 8:37 PM
128-KCurrent Report0001628280-26-043936Jun 17, 2026 8:35 PM
13144Insider Transaction0001949846-26-000362Jun 9, 2026 10:07 AM
1410-QQuarterly & Annual Report0001628280-26-032094May 7, 2026 8:10 PM
1510-QQuarterly & Annual Report0001628280-26-032094May 7, 2026 8:10 PM
1610-QQuarterly & Annual Report0001628280-26-032094May 7, 2026 8:10 PM
178-KCurrent Report0001628280-26-032082May 7, 2026 8:06 PM
188-KCurrent Report0001628280-26-032082May 7, 2026 8:06 PM
198-KCurrent Report0001628280-26-032082May 7, 2026 8:06 PM
20SCHEDULE 13GBeneficial Ownership Report0002012383-26-001482Apr 24, 2026 8:11 PM
21DEFA14AOthers0001552781-26-000270Apr 24, 2026 1:00 PM
22DEF 14AOthers0001552781-26-000269Apr 24, 2026 1:00 PM
234Insider Transaction0001628280-26-021790Mar 27, 2026 9:43 PM
244Insider Transaction0001628280-26-021790Mar 27, 2026 9:43 PM
254Insider Transaction0001628280-26-021790Mar 27, 2026 9:43 PM
26SCHEDULE 13GBeneficial Ownership Report0000102909-26-000910Mar 26, 2026 9:12 PM
27144Insider Transaction0001957799-26-000043Mar 25, 2026 6:09 PM
284Insider Transaction0001628280-26-018929Mar 17, 2026 9:35 PM
294Insider Transaction0001628280-26-018929Mar 17, 2026 9:35 PM
304Insider Transaction0001628280-26-018929Mar 17, 2026 9:35 PM
314Insider Transaction0001628280-26-017779Mar 13, 2026 9:14 PM
324Insider Transaction0001628280-26-017779Mar 13, 2026 9:14 PM
334Insider Transaction0001628280-26-017779Mar 13, 2026 9:14 PM
344Insider Transaction0001628280-26-017769Mar 13, 2026 9:08 PM
354Insider Transaction0001628280-26-017769Mar 13, 2026 9:08 PM
364Insider Transaction0001628280-26-017769Mar 13, 2026 9:08 PM
37144Insider Transaction0001949846-26-000172Mar 12, 2026 2:56 PM
38144Insider Transaction0001949846-26-000172Mar 12, 2026 2:56 PM
39144Insider Transaction0001949846-26-000172Mar 12, 2026 2:56 PM
404Insider Transaction0001628280-26-015724Mar 6, 2026 10:58 PM
414Insider Transaction0001628280-26-014882Mar 4, 2026 11:35 PM
424Insider Transaction0001628280-26-014882Mar 4, 2026 11:35 PM
434Insider Transaction0001628280-26-014882Mar 4, 2026 11:35 PM
444Insider Transaction0001104659-26-023527Mar 4, 2026 9:53 PM
454Insider Transaction0001104659-26-023527Mar 4, 2026 9:53 PM
464Insider Transaction0001104659-26-023527Mar 4, 2026 9:53 PM
47SCHEDULE 13DBeneficial Ownership Report0001104659-26-023524Mar 4, 2026 9:49 PM
48SCHEDULE 13DBeneficial Ownership Report0001104659-26-023524Mar 4, 2026 9:49 PM
49SCHEDULE 13DBeneficial Ownership Report0001104659-26-023524Mar 4, 2026 9:49 PM
50144Insider Transaction0001104659-26-023513Mar 4, 2026 9:41 PM
...

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