CENTURY ALUMINUM (CENX) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
CENTURY ALUMINUM insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 10 sold $625M of CENX stock on the open market.
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CENX insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | — | 0 | $353M | 12 |
| Q4 2025 | — | 0 | $272M | 1 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 CENTURY ALUMINUM CO insiders reported open-market purchases totaling $0, while 10 insiders reported sales totaling $625M. 2 of 13 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Mar 27SEC | Peter A TrpkovskiCFO | Sell | 16,73964,125 held (−21%) | $50.51 | $845K | -27.2% | — |
| Mar 17SEC | Jesse E GaryCEO, President | Sell Plan | 150,000142,580 held (−51%) | $55.47 | $8.3M | -33.7% | — |
| Mar 13SEC | Kenneth L CallowaySvp, Human Resources | Sell | 18,00024,902 held (−42%) | $58.00 | $1.0M | -36.6% | — |
| Mar 13SEC | Robert F HoffmanSvp, It And Cao | Sell | 10,52956,643 held (−16%) | $56.51 | $595K | -34.9% | — |
| Mar 6SEC | Robert F HoffmanSvp, It And Cao | Sell | 10,00067,172 held (−13%) | $56.33 | $563K | -34.7% | — |
| Mar 4SEC | Ag Glencore10% Owner | Sell | 6,315,24512,184,755 held (−34%) | $51.75 | $327M | -29.0% | — |
| Mar 4SEC | Matt AboudSvp, Strategy & Business Dev'T | Sell | 12,12667,814 held (−15%) | $52.50 | $637K | -30.0% | — |
| Mar 4SEC | Matt AboudSvp, Strategy & Business Dev'T | Sell | 2,97164,843 held (−4%) | $52.67 | $156K | -30.2% | — |
| Mar 3SEC | Agust F HafbergSvp & Chief Commercial Officer | Sell | 22,88445,059 held (−34%) | $51.24 | $1.2M | -28.3% | — |
| Feb 27SEC | Gunnar GudlaugssonEvp - Global Operations | Sell | 43,000136,393 held (−24%) | $54.10 | $2.3M | -32.1% | — |
| Feb 25SEC | John DezeeEvp, Gc And Secretary | Sell | 66,00097,647 held (−40%) | $50.72 | $3.3M | -27.5% | — |
| Jan 23SEC | Jesse E GaryCEO, President | Sell Plan | 150,000292,580 held (−34%) | $48.19 | $7.2M | -23.7% | — |
| Nov 13SEC | International Ag Glencore10% Owner | Sell | 9,000,00018,500,000 held (−33%) | $30.25 | $272M | +21.5% | — |
Insiders at CENTURY ALUMINUM CO
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Ag Glencore10% Owner | — | $327M | Mar 4, 2026 | — |
| International Ag Glencore10% Owner | — | $272M | Nov 13, 2025 | — |
| Jesse E GaryCEO, President | — | $15.5M | Mar 17, 2026 | — |
| John DezeeEvp, Gc And Secretary | — | $3.3M | Feb 25, 2026 | — |
| Gunnar GudlaugssonEvp - Global Operations | — | $2.3M | Feb 27, 2026 | — |
| Agust F HafbergSvp & Chief Commercial Officer | — | $1.2M | Mar 3, 2026 | — |
| Robert F HoffmanSvp, It And Cao | — | $1.2M | Mar 13, 2026 | — |
| Kenneth L CallowaySvp, Human Resources | — | $1.0M | Mar 13, 2026 | — |
| Peter A TrpkovskiCFO | — | $845K | Mar 27, 2026 | — |
| Matt AboudSvp, Strategy & Business Dev'T | — | $793K | Mar 4, 2026 | — |
CENX stock: common questions
Are CENTURY ALUMINUM CO insiders buying CENX stock?
In the past 12 months, 0 insiders reported open-market purchases of CENX worth $0.
Are CENTURY ALUMINUM CO insiders selling CENX stock?
10 insiders reported sales worth $625M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is CENX's 52-week range?
Over the past year CENX has traded between $26.19 and $68.77. It last closed at $36.76 on Oct 9, 2026.