CENTURY ALUMINUM CO·4

Mar 17, 5:35 PM ET

Gary Jesse E 4

4 · CENTURY ALUMINUM CO · Filed Mar 17, 2026

Research Summary

AI-generated summary of this filing

Updated

Century Aluminum (CENX) CEO Gary Jesse E Sells 150,000 Shares

What Happened

  • Gary Jesse E, President & CEO and a director of Century Aluminum Co. (CENX), sold 150,000 shares on 2026-03-16. The reported weighted-average sale price was $55.47, for total proceeds of $8,320,500. The sale was reported on Form 4 (filed 2026-03-17) and is coded as a sale (S).

Key Details

  • Transaction date: 2026-03-16; weighted-average price: $55.47 per share; price range reported: $54.08–$56.80 (sales occurred in multiple trades).
  • Total shares sold: 150,000; total proceeds: $8,320,500.
  • The sale was effected under a Rule 10b5-1 trading plan adopted 2025-08-20; the filing states there are no additional shares available under the plan (the plan is complete).
  • The filer offers to provide specifics on the number of shares and prices for each trade upon request (per the footnote).
  • Ownership after the transaction is not specified in the Form 4; the filing notes some holdings are in a self-settled revocable trust for which he is trustee and may include unvested RSUs.

Context

  • This was an open-market/private sale under a pre-established 10b5-1 plan, which are commonly used by insiders to systematically sell shares and generally reduce questions about timing decisions. The Form 4 was filed the next day, so the report appears timely.

Insider Transaction Report

Form 4
Period: 2026-03-16
Gary Jesse E
DirectorPresident and CEO
Transactions
  • Sale

    Common Stock

    [F1][F2][F3]
    2026-03-16$55.47/sh150,000$8,320,500142,580 total(indirect: By Trust)
Holdings
  • Common Stock

    [F4]
    277,227
Footnotes (4)
  • [F1]The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 20, 2025 (the 'Trading Plan'). There are no additional shares available for sale under the Trading Plan and, as such, the Trading Plan is now complete.
  • [F2]The price reported above reflects the weighted average sale price for the shares which were sold in multiple transactions at prices ranging from $54.08 to $56.80, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.
  • [F3]Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.
  • [F4]Includes unvested RSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.
Signature
/s/ Paul Sharobeem, attorney-in-fact for Jesse E. Gary|2026-03-17

Documents

1 file
  • 4
    wk-form4_1773783338.xmlPrimary

    FORM 4