The page is the record's research on the issuer — no analyst, no rating, no view.

# CENTURY ALUMINUM CO (NASDAQ: CENX) — research page

As of 2026-11-08 · us-cm-kg · record version 1

## Identity and listing

CENTURY ALUMINUM CO is listed on NASDAQ under ticker CENX, with ISIN US1564311082 and LEI 549300U5ODNGEYWKSW73. Its security type is Corporate and its sector is 3334 Primary Production of Aluminum. Its jurisdiction is United States, Delaware. Its segment is not on the record. Its status is listed, not halted.

## The disclosure read

The record holds 68 filings in the twelve months from 2025-11-08 to 2026-11-08, across 35 filing days. The median gap between filing days is 6.0 days, against a NASDAQ median of 6.0 days. The latest filing is dated 2026-11-06, 2 days before the record date, and is of type prospectus. The NASDAQ median filings count is 52 and its median latency is 5.0 days. The sector median is not stated, as the sector holds fewer than five issuers on this market.

## Auditor

The auditor of record is Deloitte & Touche LLP, located in Chicago, Illinois. The record holds no auditor changes.

## Events and halts

The record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag reads listed, not halted.

## Orderability

The outcome is not determinable, as the chapter's orderability section carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, with the chapter as of 2026-11-04.

## Coverage

No research houses were found on the issuer's investor-relations page.

## Open research

No openly published research notes were found on the record.

## Licensed

Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.

## As-of depth

The sealed years that hold the issuer are 2021, 2022, 2023, 2024, 2025 and 2026. The earliest sealed date of the market is 2021-01-04, and the live record began on 2026-09-12.

## Sources

9 source pages are named on this page; every value above carries its own source page and read date in the numbers.

- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- https://data.sec.gov/submissions/CIK0000949157.json (identity.jurisdiction)
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- https://mcp.us-cm-kg.ai/events/NASDAQ/CENX (the disclosure lines)
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- https://www.sec.gov/Archives/edgar/data/949157/000162828026013788/cenx-20251231.htm (the auditor)
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.us-cm-kg.ai/record/NASDAQ/CENX (the record)

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