Company: CENX
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001628280-25-050200
Chunk: 24

Company: CENTURY ALUMINUM CO
Filing Date: 2025-11-06
Form: 10-Q
Item: Part II, Item 5
Chunk 24
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Table of Contents

Item 5.  Other Information

Rule 10b5-1 Trading Plans

On August 20, 2025, the Company’s President, Chief Executive Officer and Director, Jesse E. Gary, adopted a pre-arranged trading plan intended to satisfy the conditions of Rule 10b5-1(c)(1) under the Exchange Act (the “10b5-1 Plan”). The 10b5-1 Plan provides for the potential sale of an aggregate of up to 300,000 shares of the Company’s common stock. The first date that sales of any shares are permitted to be sold under the 10b5-1 Plan is January 2026, and subsequent sales may occur from time to time until the 10b5-1 Plan’s expiration on January 2027, or earlier if all transactions are completed prior to such date or otherwise terminated.

Other than as described above, no other director or “officer” (as defined in Rule 16a-1(f) promulgated under the Exchange Act) adopted, modified, or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” (as such terms are defined under Item 408 of Regulation S-K) during the three months ended September 30, 2025.

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