MBK Co.,Ltd. (3121) — research page
JP · jp-cm-kg/TSE-STANDARD/3121 · as of 2026-11-06
Identity and listing
The issuer is MBK Co.,Ltd., listed on the Standard Market under ticker 3121. The ISIN is not on the record and the LEI is not on the record; the record holds no GLEIF registration. The security type is Corporate. The segment is not on the record. The sector is 9050 Services. The jurisdiction is Japan (EDINET domestic filer). The issuer is listed and not halted.
| field | value | source · read date |
|---|---|---|
| name | MBK Co.,Ltd. | source · 2026-11-06 |
| exchange | Standard Market | source · 2026-11-06 |
| ticker | 3121 | source · 2026-11-06 |
| ISIN | not on the record | |
| LEI | not on the record | |
| security type | Corporate | source · 2026-11-06 |
| segment | not on the record | |
| sector | 9050 Services | 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 31 filings across 21 filing days in the window 2025-11-06 to 2026-11-06. The median gap between filing days is 7.0 days. The latest filing is dated 2026-10-15, 22 days before the record date of 2026-11-06, and is of type corporate_news. The filings by type are: ad hoc 2, corporate news 14, prospectus 6, regulatory filing 7, results 2. On the Standard Market the median cadence gap is 67.5 days, the median filings count is 7 and the median latency is 107 days across 1559 issuers. In the sector 9050 Services the median cadence gap is 44.5 days, the median filings count is 8 and the median latency is 84 days across 579 issuers. The issuer's cadence gap of 7.0 days is below both medians, its filing count of 31 is above both, and its latency of 22 days is below both.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 31 | 7 | 22 |
| exchange median: Standard Market (1559 issuers) | 7 | 67.5 | 107 |
| sector median: 9050 Services (579 issuers) | 8 | 44.5 | 84 |
| date | type | category | filing |
|---|---|---|---|
| 2026-10-15 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-08-17 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-07-15 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-06-29 | prospectus | 040 | 訂正有価証券届出書（組込方式） |
| 2026-06-25 | prospectus | 040 | 訂正有価証券届出書（組込方式） |
window 2025-11-06 to 2026-11-06 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is フロンティア監査法人. The auditor's location is not on the record. Auditor changes are not on the record, as the market's record does not carry them.
Events and halts
Listing, delisting, name change, domicile change and segment move are not on the record, as the index carries no lifecycle type map for this register. The halt flag is not set: the issuer is listed and not halted.
Orderability
The client category Qualified Institutional Investors has no determinable outcome: the rule states a product scope and the subject's record carries no instrument class to place within it. The signal is null. 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 as read. The count is 0.
Open research
No openly published research notes were found. The count is 0.
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. The issuer has no sealed years on the record. The market's earliest sealed date is not on the record, and the live record began is not on the record.
Sources
7 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://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip (identity.jurisdiction)
- 10.3
- https://mcp.jp-cm-kg.ai/events/TSE-STANDARD/3121 (the disclosure lines)
- 10.4
- https://www.jpx.co.jp/markets/equities/suspended/index.html (the halt flag)
- 10.5
- https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100XHQ8 (the auditor)
- 10.6
- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.7
- https://mcp.jp-cm-kg.ai/record/TSE-STANDARD/3121 (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"ticker":"3121","exchange":"Standard Market"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:e67c849d9f84d2c7.