// company-profile
Century Aluminum Co
CENX// activity-summary
Recent insider activity is bullish. Over the last 30 days, 5 insiders purchased shares versus 1 sale. Buying was led by Michelmore Andrew G.
// 90-day insight
Over the last 90 days, Century Aluminum Co insiders bought $0 (5 transactions) and sold $36K (1 transaction).
- Most active insider: Michelmore Andrew G with 2 transactions totaling $36K.
- Largest single sale: $36K by Michelmore Andrew G on Jun 15, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Century Aluminum Co as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Michelmore Andrew G | CENX | Award | 2,172 | $0.00 | $0K |
| Jun 15, 2026 | Bush Jennifer Mary | CENX | Award | 2,172 | $0.00 | $0K |
| Jun 15, 2026 | Berntzen Jarl | CENX | Award | 2,172 | $0.00 | $0K |
| Jun 15, 2026 | Olivier Tamla A | CENX | Award | 2,172 | $0.00 | $0K |
| Jun 15, 2026 | Michelmore Andrew G | CENX | Tax Withholding | 652 | $54.55 | $36K |
45 more transactions hidden
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