How did Century Aluminum's revenue and expenses trend in Q4 2024?

**Century Aluminum's revenue and expenses in Q4 2024 are not currently available.** However, insights into the company's financial performance for Q3 2024 can be provided.

1. **Revenue Trend**: In Q3 2024, Century Aluminum's revenue was $539.1 million, which was a slight decrease of 1.1% from the previous quarter's revenue. This decline in revenue was accompanied by an improvement in net income, which increased from a $42.0 million loss in Q3 2023 to $44.8 million. The company's revenue missed analyst estimates by 2.5%, but its earnings per share (EPS) exceeded expectations by 53%.
2. **Expense Trend**: The company's net margin improved significantly, from a loss in Q3 2023 to a profit margin of 8.3% in Q3 2024. This indicates a better cost management and profitability relative to the previous quarter. However, the gross margin was reported at 15.17%, which suggests that Century Aluminum faces challenges in cost management compared to its industry peers.
3. **Insider Activity**: There was an insider sell by Jesse E Gary, the President and CEO of Century Aluminum, where he sold 79,243 shares worth $1,478,739. Such actions can sometimes be indicative of doubts about the company's short-term prospects, although they do not necessarily imply a negative long-term outlook.
4. **Earnings and Revenue Forecast**: For Q4 2024, Century Aluminum anticipates an adjusted EBITDA between $70 million and $80 million. This suggests a potential improvement in profitability compared to the previous quarter's EBITDA of $104 million.

In conclusion, while specific figures for Q4 2024 are not available, it is clear that Century Aluminum experienced a decline in revenue but significant improvements in net income and profitability metrics in Q3 2024. The company's outlook for Q4 2024 appears cautious, with expectations of a weaker price environment but strategic optimism regarding asset evaluations and cost structure.