MarketPeel
Insider Trading Intelligence
PG

Plc Glencore

CENX
10% OWNER · CENTURY ALUMINUM CO · CIK 0001521365
FILING MIX · LIFETIME45%/55%
BUYS
22
SELLS
27
TOTAL VALUE
$599.06M
COMPANIES
1
ACTIVE SINCE
Dec 2019
HOLDINGS NOW
12,184,755
AVG SELL PX
$39.12
TRADE KIND
SHOWING 49 / 49
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 5 pending
Forward-return performance of every backtestable P/S trade by Plc Glencore, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d2+50.00%-2.27%-1.80%-0.47%-0.47%
14d2+50.00%-5.18%-2.66%-2.51%-2.51%
30d2+50.00%+5.43%-1.69%+7.12%+7.12%
60d2+0.00%+26.66%+3.33%+23.33%+23.33%
90d2+0.00%+44.86%+1.84%+66.41%+66.41%
180d2(1 pending)+0.00%+82.33%+8.24%+74.08%+74.08%
1y2(2 pending)
2y2(2 pending)
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CENX · 12,184,755 shares · as of Mar 4, 2026
06,875,00013,750,00020,625,00027,500,0002020202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2019
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 22 buys / 27 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CENX
CENTURY ALUMINUM CO
SALE
6,315,245$51.75$326.81M12,184,755Mar 4, 2026Mar 4, 2026View →
CENX
CENTURY ALUMINUM CO
PURCHASE
4,948,59117,505,947Nov 10, 2025Nov 13, 2025View →
CENX
CENTURY ALUMINUM CO
SALE
9,000,000$30.25$272.25M18,500,000Nov 10, 2025Nov 13, 2025View →
CENX
CENTURY ALUMINUM CO
SALE
49,485.910Nov 10, 2025Nov 13, 2025View →
CENX
CENTURY ALUMINUM CO
PURCHASE
2,84812,557,356Sep 30, 2025Oct 2, 2025View →
CENX
CENTURY ALUMINUM CO
SALE
28.4849,485.91Sep 30, 2025Oct 2, 2025View →
CENX
CENTURY ALUMINUM CO
SALE
164.7749,514.39Jun 30, 2025Jul 2, 2025View →
CENX
CENTURY ALUMINUM CO
PURCHASE
16,47712,554,508Jun 30, 2025Jul 2, 2025View →
CENX
CENTURY ALUMINUM CO
SALE
35.9349,679.16Mar 31, 2025Apr 1, 2025View →
CENX
CENTURY ALUMINUM CO
PURCHASE
3,59312,538,031Mar 31, 2025Apr 1, 2025View →
CENX
CENTURY ALUMINUM CO
PURCHASE
210,16212,534,438Dec 31, 2024Jan 3, 2025View →
CENX
CENTURY ALUMINUM CO
SALE
2,101.6249,715.09Dec 31, 2024Jan 3, 2025View →
CENX
CENTURY ALUMINUM CO
PURCHASE
13,19212,324,276Sep 30, 2024Oct 2, 2024View →
CENX
CENTURY ALUMINUM CO
SALE
131.9251,816.71Sep 30, 2024Oct 2, 2024View →
CENX
CENTURY ALUMINUM CO
SALE
290.1451,948.63Jun 30, 2024Jul 2, 2024View →
CENX
CENTURY ALUMINUM CO
PURCHASE
29,01412,311,084Jun 30, 2024Jul 2, 2024View →
CENX
CENTURY ALUMINUM CO
PURCHASE
4,56212,282,070Mar 31, 2024Apr 2, 2024View →
CENX
CENTURY ALUMINUM CO
SALE
45.6252,238.77Mar 31, 2024Apr 2, 2024View →
CENX
CENTURY ALUMINUM CO
SALE
1,223.9352,284.39Dec 31, 2023Jan 3, 2024View →
CENX
CENTURY ALUMINUM CO
PURCHASE
122,39312,277,508Dec 31, 2023Jan 3, 2024View →
CENX
CENTURY ALUMINUM CO
PURCHASE
19,79012,155,115Sep 30, 2023Oct 2, 2023View →
CENX
CENTURY ALUMINUM CO
SALE
197.953,508.32Sep 30, 2023Oct 2, 2023View →
CENX
CENTURY ALUMINUM CO
SALE
148.3653,706.22Jun 30, 2023Jul 5, 2023View →
CENX
CENTURY ALUMINUM CO
PURCHASE
14,83612,135,325Jun 30, 2023Jul 5, 2023View →
CENX
CENTURY ALUMINUM CO
PURCHASE
419,16812,120,489Dec 31, 2022Jan 4, 2023View →
CENX
CENTURY ALUMINUM CO
SALE
4,191.6853,854.58Dec 31, 2022Jan 4, 2023View →
CENX
CENTURY ALUMINUM CO
SALE
10Dec 15, 2022Dec 15, 2022View →
CENX
CENTURY ALUMINUM CO
SALE
10Dec 15, 2022Dec 15, 2022View →
CENX
CENTURY ALUMINUM CO
PURCHASE
27,500,00027,500,000Dec 15, 2022Dec 15, 2022View →
CENX
CENTURY ALUMINUM CO
PURCHASE
32,98211,701,321Sep 30, 2022Sep 30, 2022View →
CENX
CENTURY ALUMINUM CO
SALE
329.8258,046.26Sep 30, 2022Sep 30, 2022View →
CENX
CENTURY ALUMINUM CO
PURCHASE
16,63511,668,339Jun 30, 2022Jul 1, 2022View →
CENX
CENTURY ALUMINUM CO
SALE
4,731.3158,542.43Dec 31, 2021Jan 4, 2022View →
CENX
CENTURY ALUMINUM CO
PURCHASE
473,13111,651,704Dec 31, 2021Jan 4, 2022View →
CENX
CENTURY ALUMINUM CO
PURCHASE
17,76811,178,573Jun 30, 2021Jul 1, 2021View →
CENX
CENTURY ALUMINUM CO
SALE
177.6863,273.74Jun 30, 2021Jul 1, 2021View →
CENX
CENTURY ALUMINUM CO
SALE
10May 7, 2021May 10, 2021View →
CENX
CENTURY ALUMINUM CO
PURCHASE
13,69711,160,805Mar 31, 2021Apr 1, 2021View →
CENX
CENTURY ALUMINUM CO
SALE
136.9763,451.42Mar 31, 2021Apr 1, 2021View →
CENX
CENTURY ALUMINUM CO
SALE
2,450.2763,588.39Dec 31, 2020Jan 5, 2021View →
CENX
CENTURY ALUMINUM CO
PURCHASE
245,02711,147,108Dec 31, 2020Jan 5, 2021View →
CENX
CENTURY ALUMINUM CO
SALE
10Dec 29, 2020Dec 31, 2020View →
CENX
CENTURY ALUMINUM CO
SALE
10Sep 28, 2020Sep 30, 2020View →
CENX
CENTURY ALUMINUM CO
SALE
102.4366,038.66Jun 30, 2020Jul 2, 2020View →
CENX
CENTURY ALUMINUM CO
PURCHASE
10,24310,902,081Jun 30, 2020Jul 2, 2020View →
CENX
CENTURY ALUMINUM CO
SALE
1,181.4666,141.09Mar 31, 2020Apr 2, 2020View →
CENX
CENTURY ALUMINUM CO
PURCHASE
118,14610,891,838Mar 31, 2020Apr 2, 2020View →
CENX
CENTURY ALUMINUM CO
SALE
1,252.6567,322.55Dec 31, 2019Jan 3, 2020View →
CENX
CENTURY ALUMINUM CO
PURCHASE
125,26510,773,692Dec 31, 2019Jan 3, 2020View →
Other insiders · CENX
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About this filer
CIK 0001521365
ROLE
10% Owner
PRIMARY
CENX
COMPANIES
1
ACTIVE SINCE
Dec 2019
MARKETPEEL · /INSIDER/0001521365DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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