Common Stock, Shares, Outstanding of CENTURY ALUMINUM CO from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
CENTURY ALUMINUM CO quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • CENTURY ALUMINUM CO Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 98,969,007, a 6.1% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

CENTURY ALUMINUM CO Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 98,969,007 +5,680,442 +6.1% 31 Dec 2025 10-K 03 Mar 2026 2025 FY
Q3 2025 93,341,969 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 93,339,121 +600,032 +0.65% 30 Jun 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 93,296,937 +596,442 +0.64% 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 93,288,565 +598,701 +0.65% 31 Dec 2024 10-K 03 Mar 2026 2025 FY
Q2 2024 92,739,089 +380,540 +0.41% 30 Jun 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 92,700,495 +376,517 +0.41% 31 Mar 2024 10-Q 01 May 2024 2024 Q1
Q4 2023 92,689,864 +365,886 +0.4% 31 Dec 2023 10-K 03 Mar 2025 2024 FY
Q3 2023 92,404,663 +1,057,434 +1.2% 30 Sep 2023 10-Q 08 Nov 2023 2023 Q3
Q2 2023 92,358,549 +1,088,175 +1.2% 30 Jun 2023 10-Q 09 Aug 2023 2023 Q2
Q1 2023 92,323,978 +1,092,367 +1.2% 31 Mar 2023 10-Q 09 May 2023 2023 Q1
Q4 2022 92,323,978 +1,092,367 +1.2% 31 Dec 2022 10-K 15 Mar 2024 2023 FY
Q3 2022 91,347,229 +1,218,111 +1.4% 30 Sep 2022 10-Q 07 Nov 2022 2022 Q3
Q2 2022 91,270,374 +1,141,256 +1.3% 30 Jun 2022 10-Q 09 Aug 2022 2022 Q2
Q1 2022 91,231,611 +1,143,897 +1.3% 31 Mar 2022 10-Q 02 May 2022 2022 Q1
Q4 2021 91,231,611 +1,175,814 +1.3% 31 Dec 2021 10-K 27 Feb 2023 2022 FY
Q3 2021 90,129,118 +644,284 +0.72% 30 Sep 2021 10-Q 05 Nov 2021 2021 Q3
Q2 2021 90,129,118 +644,284 +0.72% 30 Jun 2021 10-Q 05 Aug 2021 2021 Q2
Q1 2021 90,087,714 +626,749 +0.7% 31 Mar 2021 10-Q 07 May 2021 2021 Q1
Q4 2020 90,055,797 +870,136 +0.98% 31 Dec 2020 10-K 25 Feb 2022 2021 FY
Q3 2020 89,484,834 +591,067 +0.66% 30 Sep 2020 10-Q 05 Nov 2020 2020 Q3
Q2 2020 89,484,834 +591,067 +0.66% 30 Jun 2020 10-Q 06 Aug 2020 2020 Q2
Q1 2020 89,460,965 +653,208 +0.74% 31 Mar 2020 10-Q 04 May 2020 2020 Q1
Q4 2019 89,185,661 +1,082,221 +1.2% 31 Dec 2019 10-Q 05 Nov 2020 2020 Q3
Q3 2019 88,893,767 +1,285,461 +1.5% 30 Sep 2019 10-Q 08 Nov 2019 2019 Q3
Q2 2019 88,893,767 +1,292,676 +1.5% 30 Jun 2019 10-Q 08 Aug 2019 2019 Q2
Q1 2019 88,807,757 +1,231,888 +1.4% 31 Mar 2019 10-Q 08 May 2019 2019 Q1
Q4 2018 88,103,440 +558,663 +0.64% 31 Dec 2018 10-K 27 Feb 2020 2019 FY
Q3 2018 87,608,306 +281,354 +0.32% 30 Sep 2018 10-Q 02 Nov 2018 2018 Q3
Q2 2018 87,601,091 +285,126 +0.33% 30 Jun 2018 10-Q 08 Aug 2018 2018 Q2
Q1 2018 87,575,869 +313,754 +0.36% 31 Mar 2018 10-Q 04 May 2018 2018 Q1
Q4 2017 87,544,777 +293,880 +0.34% 31 Dec 2017 10-K 28 Feb 2019 2018 FY
Q3 2017 87,326,952 +251,365 +0.29% 30 Sep 2017 10-Q 08 Nov 2017 2017 Q3
Q2 2017 87,315,965 +240,378 +0.28% 30 Jun 2017 10-Q 09 Aug 2017 2017 Q2
Q1 2017 87,262,115 +202,382 +0.23% 31 Mar 2017 8-K 28 Jul 2017
Q4 2016 87,250,897 +212,847 +0.24% 31 Dec 2016 10-K 28 Feb 2018 2017 FY
Q3 2016 87,075,587 +143,884 +0.17% 30 Sep 2016 10-Q 08 Nov 2017 2017 Q3
Q2 2016 87,075,587 +174,635 +0.2% 30 Jun 2016 10-Q 05 Aug 2016 2016 Q2
Q1 2016 87,059,733 -823,624 -0.94% 31 Mar 2016 10-Q 06 May 2016 2016 Q1
Q4 2015 87,038,050 -2,026,532 -2.3% 31 Dec 2015 8-K 28 Jul 2017
Q3 2015 86,931,703 -2,006,167 -2.3% 30 Sep 2015 10-Q 04 Nov 2015 2015 Q3
Q2 2015 86,900,952 -1,903,809 -2.1% 30 Jun 2015 10-Q 07 Aug 2015 2015 Q2
Q1 2015 87,883,357 -888,086 -1% 31 Mar 2015 10-Q 01 May 2015 2015 Q1
Q4 2014 89,064,582 +354,305 +0.4% 31 Dec 2014 10-K 07 Mar 2016 2015 Q4
Q3 2014 88,937,870 +254,939 +0.29% 30 Sep 2014 10-Q 05 Nov 2014 2014 Q3
Q2 2014 88,804,761 +202,052 +0.23% 30 Jun 2014 10-Q 08 Aug 2014 2014 Q2
Q1 2014 88,771,443 +175,234 +0.2% 31 Mar 2014 10-Q 09 May 2014 2014 Q1
Q4 2013 88,710,277 +161,640 +0.18% 31 Dec 2013 10-K 02 Mar 2015 2014 FY
Q3 2013 88,682,931 +196,486 +0.22% 30 Sep 2013 10-Q 08 Nov 2013 2013 Q3
Q2 2013 88,602,709 +135,660 +0.15% 30 Jun 2013 10-Q 09 Aug 2013 2013 Q2
Q1 2013 88,596,209 +146,553 +0.17% 31 Mar 2013 10-Q 10 May 2013 2013 Q1
Q4 2012 88,548,637 -295,690 -0.33% 31 Dec 2012 10-K 14 Mar 2014 2013 FY
Q3 2012 88,486,445 -1,116,363 -1.2% 30 Sep 2012 10-Q 09 Nov 2012 2012 Q3
Q2 2012 88,467,049 -4,747,618 -5.1% 30 Jun 2012 10-Q 09 Aug 2012 2012 Q2
Q1 2012 88,449,656 -4,644,570 -5% 31 Mar 2012 10-Q 10 May 2012 2012 Q1
Q4 2011 88,844,327 -3,927,537 -4.2% 31 Dec 2011 10-K 18 Mar 2013 2012 FY
Q3 2011 89,602,808 30 Sep 2011 10-Q 09 Nov 2011 2011 Q3
Q2 2011 93,214,667 30 Jun 2011 10-Q 09 Aug 2011 2011 Q2
Q1 2011 93,094,226 31 Mar 2011 10-Q 10 May 2011 2011 Q1
Q4 2010 92,771,864 31 Dec 2010 10-K 29 Feb 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.