Jarl Berntzen - 15 Jun 2026 Form 4 Insider Report for CENTURY ALUMINUM CO (CENX)

Reporting relationship: Director
Issuer ticker: CENX
Reported as of: 15 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Jun 2026, 16:45:45 UTC
Prior SEC filing: 18 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ John DeZee, as attorney in fact for Jarl Berntzen

Key filing fact

Jarl Berntzen filed Form 4 for CENTURY ALUMINUM CO (CENX) on 17 Jun 2026.

Key facts

This page summarizes Jarl Berntzen's Form 4 filing for CENTURY ALUMINUM CO (CENX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 17 Jun 2026, 16:45.

Change

Previous filing in this sequence was filed on 18 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001355035 Primary reporting owner

Berntzen Jarl

Relationship: Director
Address: C/O CENTURY ALUMINUM COMPANY, 1 S. WACKER DRIVE, SUITE 1000, CHICAGO
Signature: /s/ John DeZee, as attorney in fact for Jarl Berntzen
Signature date: 17 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CENX transaction

Common Stock

Award

Transaction value
Shares: +2,172
Change %: +1%
Price: $0.000000^*
Shares after: 211,123
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents annual grant of restricted stock units ("RSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award.

Footnote F2

Includes shares of common stock issuable pursuant to vested RSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.