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42K CENX shares were withheld to cover taxes or exercise cost (Officer) | OQRO

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Insider trades
Century Aluminum Company
42K CENX shares were withheld to cover taxes or exercise cost (Officer

Insider trades

Insider trade

42K CENX shares were withheld to cover taxes or exercise cost (Officer)

Traded Dec 31, 2025 · Filed Jan 6, 2026

CENCentury Aluminum CompanyCENX

42K
Shares · @ $39.18

Why it stands out

Routine share withholding; mechanical by default.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Dec 31, 2025
Reporting period: Not applicable
Filed with the SEC: Jan 6, 2026

OfficerTax withholding

Context

Classification

tax withholding

Code F — shares delivered to pay exercise price or tax liability

Planned / mechanical clue

Tax mechanics (code F)

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001628280-26-000589

Ask Claude or ChatGPT about these filings. Connect OQRO in a minute, then ask things like “which insiders bought this week?”

Filed / recorded

Jan 6, 2026, 3:00 AM UTC

Added to OQRO

Oct 6, 2026, 10:14 PM UTC

Parser

form4-xml-v2

Data quality

Verified: identifiers matched exactly

Issuer

CENTURY ALUMINUM CO

Issuer CIK

949157

Ticker

CENX

Reporting person

Gunnar Gudlaugsson

Relationship

Officer

Officer title

EVP - Global Operations

Security

Common Stock

Table

Non-derivative (Table I)

Transaction date

Dec 31, 2025

Transaction code

Shares / units

41,886

Price per share

$39.18

Acquired / disposed

Disposed (D)

Shares owned after

184,712

Ownership form

Direct

Amendment

Footnotes from the filing

Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

Around the same time

Jesse E GaryPresident and CEO

Filed 9mo ago

315KShares

Traded Jan 12 · filed 12 days later

Gift or transfer — classified separately from trades.

More Official record

Jesse E GaryPresident and CEO

Filed 9mo ago

315KShares

Traded Jan 12 · filed 12 days later

Gift or transfer — classified separately from trades.

More Official record

Jesse E Gary (President and CEO) sold ~$7.23M of Century Aluminum Company

Scheduled in advanceFiled 9mo ago