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

# MATSUI SECURITIES CO.,LTD. (Prime Market: 8628) — research page

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

## Identity and listing

The issuer is MATSUI SECURITIES CO.,LTD., listed on the Prime Market under ticker 8628. Its ISIN is JP3863800003 and its LEI is 3538007PRKOSDN175V58. Its security type is Corporate, its segment is not on the record, its sector is 7100 Securities and Commodities Futures, and its jurisdiction is Japan (EDINET domestic filer). Its listing status is listed, not halted.

## The disclosure read

The record holds 17 filings in the twelve months to 2026-11-06, across 11 filing days. The filings comprise 3 ad hoc, 4 major holder, 4 prospectus, 4 regulatory filing and 2 results. The median gap between filing days is 12.5 days, against a median of 29.0 days on the Prime Market and 28 days in the sector. The latest filing is dated 2026-11-04 and is of type prospectus, 2 days before the record date. The Prime Market median latency is 70.0 days and the sector median is 67 days. Issuer filings are 17, above the Prime Market median of 10 and above the sector median of 12.5.

## Auditor

The auditor of record is PwC Japan有限責任監査法人, and its location is not on the record. Auditor changes are not on the record.

## Events and halts

Listing, delisting, name change, domicile change and segment move are not on the record, as the market's lifecycle type map is not yet in place. The halt flag is listed, not halted.

## Orderability

For the client category Qualified Institutional Investors, the outcome is not determinable, because the rule states a product scope and the subject's 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 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 market's vintage is not sealed. No issuer years are sealed, and the earliest sealed date of the market and the date the live record began are not on the record.

## 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.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx (identity.exchange)
- https://mapping.gleif.org/api/v2/isin-lei/latest (identity.isin)
- https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip (identity.jurisdiction)
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- https://mcp.jp-cm-kg.ai/events/TSE-PRIME/8628 (the disclosure lines)
- https://www.jpx.co.jp/markets/equities/suspended/index.html (the halt flag)
- https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YFPS (the auditor)
- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/8628 (the record)

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