How many insider trades does FilingIQ track for CENX?

FilingIQ tracks 483 Form 4 insider transactions for CENX (CENTURY ALUMINUM CO), covering filings from Jan 5, 2015 onwards. 0 of those are dated within the last 90 days.

Are CENX insiders net buyers or net sellers?

Across the full Form 4 history for CENX, 5 transactions (1%) were open-market purchases and 79 (16%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does CENX insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.

What sector is CENX in?

CENTURY ALUMINUM CO (CENX) is classified in the Basic Materials sector, specifically Aluminum, with a current market capitalisation of $4.85B.

CENX insider trading

NasdaqGS Basic Materials

CENTURY ALUMINUM CO: insider trade history from SEC Form 4 filings.

Total Form 4 trades

483

Last 90 days

Buys / sells

1% / 16%

Market cap

$4.85B

About CENTURY ALUMINUM CO

Century Aluminum Company, together with its subsidiaries, produces and sells standard-grade and value-added primary aluminum products in the United States and Iceland. It also owns and operates a carbon anode production facility located in Vlissingen, the Netherlands, as well as engages in the bauxite mining and alumina refining business in Jamaica. The company was founded in 1995 and is headquartered in Chicago, Illinois.

Company website: centuryaluminum.com

CENX insider activity at a glance

FilingIQ tracks 483 insider transactions for CENX in filings since Jan 5, 2015. The most recent transaction is dated Jun 15, 2026.

Across the full history, 5 open-market purchases and 79 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on CENX insider trades is 65.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live CENX trades on FilingIQ Raw filings on SEC EDGAR

Latest CENX Form 4 filings

Trpkovski Peter A EVP, CFO

S Mar 27, 2026

Gary Jesse E President and CEO

S Mar 17, 2026

Calloway Kenneth L SVP, Human Resources

S Mar 13, 2026

Hoffman Robert F SVP, IT and CAO

S Mar 13, 2026

Hoffman Robert F SVP, IT and CAO

S Mar 6, 2026

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for CENX?: FilingIQ tracks 483 Form 4 insider transactions for CENX (CENTURY ALUMINUM CO), covering filings from Jan 5, 2015 onwards. 0 of those are dated within the last 90 days.
Are CENX insiders net buyers or net sellers?: Across the full Form 4 history for CENX, 5 transactions (1%) were open-market purchases and 79 (16%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does CENX insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
What sector is CENX in?: CENTURY ALUMINUM CO (CENX) is classified in the Basic Materials sector, specifically Aluminum, with a current market capitalisation of $4.85B.

Methodology & sources

Every CENX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.