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

# CK SAN-ETSU Co.,Ltd. (Prime Market: 5757) — research page

As of 2026-11-06 · jp-cm-kg · record version 1

## Identity and listing

The issuer is CK SAN-ETSU Co.,Ltd., listed on the Prime Market under ticker 5757. Its ISIN is not on the record, and neither is its LEI, which the record notes is not registered with GLEIF under 2300-01-010051 (RA000412). Its security type is Corporate, its segment is not on the record, its sector is 3500 Nonferrous Metals, and its jurisdiction is Japan as an EDINET domestic filer. Its status is listed, not halted.

## The disclosure read

The record holds 6 filings in the window from 2025-11-06 to 2026-11-06, across 3 filing days. The median gap between filing days is 113.0 days. The latest filing is dated 2026-06-26, is of type ad_hoc, and sits 133 days before the record date of 2026-11-06. The Prime Market median is 29.0 days of cadence, 10 filings and 70.0 days of latency across 1557 issuers. The 3500 Nonferrous Metals median is 32.0 days of cadence, 10.0 filings and 84.5 days of latency across 32 issuers.

## Auditor

The auditor of record is 仰星監査法人. Its location is not on the record. Auditor changes are not on the record, because this register has no lifecycle type map yet.

## Events and halts

Listing, delisting, name change, domicile change and segment move are not on the record, because this register has no lifecycle type map yet. The halt flag shows the issuer as listed, not halted.

## Orderability

For Qualified Institutional Investors, the outcome is not determinable. The rule states a product scope, and the record carries no instrument class to place within it. The rule version is acm-68000/jp/suitability-principle-fiea-article-40/r1, and the chapter is as of 2026-11-04.

## Coverage

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

## 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 vintage is not sealed. No issuer years are sealed, the market has no earliest sealed date, and the live record has no start date on file.

## Sources

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

- https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx (identity.exchange)
- https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip (identity.jurisdiction)
- https://mcp.jp-cm-kg.ai/events/TSE-PRIME/5757 (the disclosure lines)
- https://www.jpx.co.jp/markets/equities/suspended/index.html (the halt flag)
- https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YIA1 (the auditor)
- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/5757 (the record)

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