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CENXNasdaq

CENTURY ALUMINUM CO

Alert me on CENX
0
Insider buys, 6 months
0
Congress trades, 6 months
0
Signals, 6 months

Six months

CENX stock chart by TradingView

After each filing

18
Mar 28 Sale Trpkovski Peter A Insider
1 week
+24.0%S&P +4.3%
1 month
+10.8%S&P +12.6%
3 months
−13.6%S&P +18.5%
6 months
−32.0%S&P +21.5%
Mar 18 Sale Gary Jesse E Insider
1 week
−9.3%S&P −0.4%
1 month
+12.5%S&P +7.7%
3 months
−1.9%S&P +12.3%
6 months
−26.4%S&P +15.9%
Mar 14 Sale Calloway Kenneth L Insider
1 week
−16.5%S&P −1.8%
1 month
+15.2%S&P +4.9%
3 months
−2.0%S&P +13.1%
6 months
−28.6%S&P +13.8%
Mar 14 Sale Hoffman Robert F Insider
1 week
−16.5%S&P −1.8%
1 month
+15.2%S&P +4.9%
3 months
−2.0%S&P +13.1%
6 months
−28.6%S&P +13.8%
Mar 7 Sale Hoffman Robert F Insider
1 week
+2.2%S&P −1.4%
1 month
+20.4%S&P −0.1%
3 months
+16.3%S&P +9.3%
6 months
−11.9%S&P +13.5%
Show all 18
Mar 5 Sale GLENCORE INTERNATIONAL AG Insider
1 week
+7.1%S&P −2.2%
1 month
+19.7%S&P −3.0%
3 months
+23.2%S&P +11.4%
6 months
−11.9%S&P +14.1%
Mar 5 Sale Glencore AG Insider
1 week
+7.1%S&P −2.2%
1 month
+19.7%S&P −3.0%
3 months
+23.2%S&P +11.4%
6 months
−11.9%S&P +14.1%
Mar 5 Sale Glencore plc Insider
1 week
+7.1%S&P −2.2%
1 month
+19.7%S&P −3.0%
3 months
+23.2%S&P +11.4%
6 months
−11.9%S&P +14.1%
Mar 5 Sale Aboud Matt Insider
1 week
+7.1%S&P −2.2%
1 month
+19.7%S&P −3.0%
3 months
+23.2%S&P +11.4%
6 months
−11.9%S&P +14.1%
Mar 4 Sale Hafberg Agust F Insider
1 week
+8.7%S&P −1.3%
1 month
+17.1%S&P −4.0%
3 months
+25.5%S&P +10.4%
6 months
−11.5%S&P +12.3%
Feb 28 Sale Gudlaugsson Gunnar Insider
1 week
+6.0%S&P −1.2%
1 month
+14.3%S&P −5.0%
3 months
+24.4%S&P +10.8%
6 months
−10.9%S&P +12.3%
Feb 26 Sale DeZee John Insider
1 week
+3.2%S&P −1.2%
1 month
−4.9%S&P −7.8%
3 months
+29.3%S&P +9.8%
6 months
−12.1%S&P +12.5%
Jan 24 Sale Gary Jesse E Insider
1 week
+4.9%S&P +0.4%
1 month
+17.5%S&P +0.1%
3 months
+36.6%S&P +3.5%
6 months
−2.5%S&P +7.5%
Nov 14, 2025 Sale GLENCORE INTERNATIONAL AG Insider
1 week
−6.2%S&P −1.9%
1 month
+12.0%S&P +1.0%
3 months
+74.5%S&P +2.4%
6 months
+103.1%S&P +9.8%
Nov 14, 2025 Sale Glencore AG Insider
1 week
−6.2%S&P −1.9%
1 month
+12.0%S&P +1.0%
3 months
+74.5%S&P +2.4%
6 months
+103.1%S&P +9.8%
Nov 14, 2025 Sale Glencore plc Insider
1 week
−6.2%S&P −1.9%
1 month
+12.0%S&P +1.0%
3 months
+74.5%S&P +2.4%
6 months
+103.1%S&P +9.8%
Oct 1, 2025 Sale Hafberg Agust F Insider
1 week
+7.5%S&P +0.7%
1 month
+0.8%S&P +1.7%
3 months
+33.3%S&P +2.3%
6 months
+112.8%S&P −1.3%
Sep 24, 2025 Sale Calloway Kenneth L Insider
1 week
+13.7%S&P +1.1%
1 month
+15.8%S&P +1.6%
3 months
+50.8%S&P +4.4%
6 months
+87.2%S&P −1.9%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for CENX

50 held · newest 550 held · newest 2
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See all 50 filings for CENX

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
$120KQ4 2025
$140KQ1 2026
$150KQ2 2026
$190KQ3 2026
Up 27 percent from Q2 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 20, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.