TAISEI CORPORATION (1801) — research page
JP · jp-cm-kg/TSE-PRIME/1801 · as of 2026-11-06
Identity and listing
The issuer is TAISEI CORPORATION, listed on the Prime Market under ticker 1801. Its ISIN is JP3443600006 and its LEI is 529900TF7XJKIOWMLQ79. The security type is Corporate, the segment is not on the record, the sector is 2050 Construction, and the jurisdiction is Japan (EDINET domestic filer). The listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | TAISEI CORPORATION | source · 2026-11-06 |
| exchange | Prime Market | source · 2026-11-06 |
| ticker | 1801 | source · 2026-11-06 |
| ISIN | JP3443600006 | source · 2026-11-06 |
| LEI | 529900TF7XJKIOWMLQ79 | source · 2026-11-08 |
| security type | Corporate | source · 2026-11-06 |
| segment | not on the record | |
| sector | 2050 Construction | source · 2026-11-06 |
| jurisdiction | Japan (EDINET domestic filer) | source · 2026-11-06 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 18 filings in the twelve months to 2026-11-06, across 10 filing days. The median gap between filing days is 8 days. The latest filing is dated 2026-10-15, 22 days before the record date, and is of type prospectus. The Prime Market median is 29.0 days of cadence gap, 10 filings and 70.0 days of latency across 1557 issuers. The 2050 Construction sector median is 40.0 days of cadence gap, 7.5 filings and 106 days of latency across 156 issuers.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 18 | 8 | 22 |
| exchange median: Prime Market (1557 issuers) | 10 | 29 | 70 |
| sector median: 2050 Construction (156 issuers) | 7.5 | 40 | 106 |
| date | type | category | filing |
|---|---|---|---|
| 2026-10-15 | prospectus | 090 | 訂正発行登録書 |
| 2026-10-07 | major_holder | 変更報告書 (change report, large shareholding) | 訂正報告書（大量保有報告書・変更報告書） |
| 2026-10-05 | major_holder | 大量保有報告書 (large shareholding report) | 変更報告書 |
| 2026-06-25 | prospectus | 090 | 訂正発行登録書 |
| 2026-06-25 | ad_hoc | 臨時報告書 (extraordinary report) | 臨時報告書 |
window 2025-11-06 to 2026-11-06 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is 有限責任 あずさ監査法人. Its location is not on the record. Auditor changes are not on the record.
Events and halts
The listing, delisting, name change, domicile change and segment move lines are not on the record, as this market has no lifecycle type map yet. The halt flag shows listed, not halted.
Orderability
For the client category Qualified Institutional Investors, the outcome is not determinable. 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.
| client category | outcome |
|---|---|
| Qualified Institutional Investors | not determinable: the rule states a product scope and the subject's record carries no instrument class to place within it |
rule acm-68000/jp/suitability-principle-fiea-article-40/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
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.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The market's vintage is not sealed. No issuer years are sealed, the market's earliest sealed date is not on the record, and the live record began date is 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.
- 10.1
- https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx (identity.exchange)
- 10.2
- https://mapping.gleif.org/api/v2/isin-lei/latest (identity.isin)
- 10.3
- https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip (identity.jurisdiction)
- 10.4
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.5
- https://mcp.jp-cm-kg.ai/events/TSE-PRIME/1801 (the disclosure lines)
- 10.6
- https://www.jpx.co.jp/markets/equities/suspended/index.html (the halt flag)
- 10.7
- https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YBGF (the auditor)
- 10.8
- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.9
- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/1801 (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"JP3443600006"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:75ccb17bc33aee71.