The scale of insider selling—especially the $326.8M transaction—is highly unusual and suggests significant concern about near-term prospects or valuation. Traders should watch for downward price pressure and consider whether this reflects anticipation of weak earnings, macro risks in aluminum pricing, or strategic challenges.
Price Chart
Executive Summary
Multiple insiders at Century Aluminum Co (CENX) executed open-market share sales in the past week, including a major $326.8M sale by an unnamed insider and smaller but significant sales by two SVPs. The total value of the cluster exceeds $333M, representing over 6% of the company's $5.3B market cap, indicating strong insider selling pressure.
Key Financial Metrics
Key Facts
- Unnamed insider sold 6,315,245 shares at $51.75 for $326.8 million in open-market transaction
- SVP Hoffman Robert F sold 10,000 shares at $56.33 for $563,300
- SVP Aboud Matt sold 15,097 shares across two transactions totaling $793,098
- Total insider selling in the past 7 days: $333.8 million
- Total value represents ~6.3% of CENX's $5.3B market capitalization
Financial Impact
$333.8 million in open-market share sales by insiders over 7 days
Risk Factors
- Potential for downward stock price momentum due to perception of insider pessimism
- Possible upcoming negative catalyst such as earnings miss, cost overruns, or weakening commodity prices
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (4 trades, 7d window) | cluster-CENX-1772837965433 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Jul 27, 2026 9w ago | Press Release | $43.96 $44.20 | ▼ −0.55% | ▲ +2.84% | $35.62 (+18.97%) |
Jun 19, 2026 15w ago | Institutional Cluster | $49.53 $41.50 | ▼ −16.21% | ▼ −16.06% | $35.62 (−28.08%) |
Jun 11, 2026 16w ago | Institutional Cluster | $60.94 $45.11 | ▼ −25.98% | ▼ −27.87% | $35.62 (−41.55%) |
Apr 29, 2026 22w ago | Press Release | $58.98 $65.72 | ▲ +11.43% | ▲ +5.97% | $35.62 (−39.61%) |
Apr 24, 2026 23w ago | DEFA14A | $60.74 $60.46 | ▼ −0.46% | ▼ −4.49% | $35.62 (−41.36%) |
Mar 4, 2026 30w ago | Insider Cluster | $53.43 $63.51 | ▼ −18.87% | ▼ −23.28% | $35.62 (+33.33%) |
Feb 25, 2026 31w ago | Insider Cluster | $53.02 $50.19 | ▲ +5.34% | ▲ +0.10% | $35.62 (+32.82%) |
Feb 23, 2026 31w ago | Insider Cluster | $51.84 $46.48 | ▼ −10.34% | ▼ −6.39% | $35.62 (−31.29%) |
US Market Status
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