Form 4: Century Aluminum Director Michelmore Reports Stock Transactions

Andrew G. Michelmore, a Director at Century Aluminum Company, reported transactions involving restricted stock units and share withholdings for tax purposes.

Summary

• Andrew G. Michelmore, a Director of Century Aluminum Company (CENX), reported a Form 4 filing detailing stock transactions on June 15, 2026.
• The filing indicates the acquisition of 2,172 shares of common stock, valued at $0, which were part of an annual grant of restricted stock units (RSUs) that vested on the grant date.
• Additionally, 652 shares were disposed of, valued at $54.55 per share, which were withheld by the issuer to cover tax obligations arising from the RSU vesting.
• Following these transactions, Michelmore beneficially owns 90,609 shares of common stock.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as it reports routine compensation-related stock transactions by a director rather than strategic financial events.

Positives

• Director Andrew G. Michelmore received an annual grant of restricted stock units, indicating continued incentive alignment with the company.
• The vesting of RSUs suggests the company is meeting its obligations to management and directors.
• Michelmore's continued direct beneficial ownership of 90,609 shares demonstrates a significant personal stake in Century Aluminum.

Negatives

• A portion of the vested RSUs (652 shares) had to be withheld to cover tax obligations, representing a cash outflow or reduction in net shares received by the director.

Future Outlook

This filing does not contain forward-looking statements or guidance regarding the company's future performance. It solely reports on past transactions.

Industry Context

StockSavvy.ai notes that Form 4 filings are standard disclosures for insider transactions in publicly traded companies. The reported RSU grant and subsequent tax withholding are typical compensation practices within the aluminum and broader industrial sectors.

Stakeholder Impact

• Shareholders: The transaction reflects standard executive compensation practices and does not immediately indicate a change in the director's investment strategy or the company's financial health.

Key Dates

Keywords

Form 4, SEC Filing, Insider Trading, Stock Transaction, Restricted Stock Units, RSUs, Vesting, Tax Withholding, Beneficial Ownership, Century Aluminum, CENX, Director