SEIKAGAKU CORPORATION (4548) — research page
JP · jp-cm-kg/TSE-PRIME/4548 · as of 2026-11-06
Identity and listing
The issuer is SEIKAGAKU CORPORATION, listed on the Prime Market under ticker 4548. The ISIN is not on the record and the LEI is not on the record. Its security type is Corporate, its sector is 3250 Pharmaceutical, and its jurisdiction is Japan (EDINET domestic filer). The segment is not on the record. The issuer is listed and not halted.
| field | value | source · read date |
|---|---|---|
| name | SEIKAGAKU CORPORATION | source · 2026-11-06 |
| exchange | Prime Market | source · 2026-11-06 |
| ticker | 4548 | 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 | 3250 Pharmaceutical | 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 6 filings in the window 2025-11-06 to 2026-11-06, across 3 filing days: 1 ad hoc, 3 regulatory filings and 2 results. The median gap between filing days is 111.5 days. The latest filing is an ad hoc filing dated 2026-06-23, 136 days before the record date of 2026-11-06. The Prime Market median is 10 filings, a median cadence gap of 29.0 days and a median latency of 70.0 days across 1557 issuers. The 3250 Pharmaceutical sector median is 8.0 filings, a median cadence gap of 49.5 days and a median latency of 85.0 days across 80 issuers. The issuer's 6 filings are below the Prime Market median and below the sector median.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 6 | 111.5 | 136 |
| exchange median: Prime Market (1557 issuers) | 10 | 29 | 70 |
| sector median: 3250 Pharmaceutical (80 issuers) | 8 | 49.5 | 85 |
| date | type | category | filing |
|---|---|---|---|
| 2026-06-23 | ad_hoc | 臨時報告書 (extraordinary report) | 臨時報告書 |
| 2026-06-18 | regulatory_filing | 135 | 確認書 |
| 2026-06-18 | regulatory_filing | 235 | 内部統制報告書－第80期(2025/04/01－2026/03/31) |
| 2026-06-18 | results | 有価証券報告書 (annual securities report) | 有価証券報告書－第80期(2025/04/01－2026/03/31) |
| 2025-11-12 | results | 半期報告書 (half-year report) | 半期報告書－第80期(2025/04/01－2026/03/31) |
window 2025-11-06 to 2026-11-06 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is 有限責任監査法人トーマツ. 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 is not set: the issuer is listed, not halted.
Orderability
The rule acm-68000/jp/suitability-principle-fiea-article-40/r1 applies to 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 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
One research house is named on the issuer's own investor-relations page: Shared Research Inc.
| research house | analyst | source · read date |
|---|---|---|
| Shared Research Inc. | Hironobu Sawake | issuer page · 2026-11-12 |
Open research
No openly published research notes were found for the issuer.
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 sealed years hold the issuer, no market earliest sealed date is recorded, and the live record began on no date given.
Sources
8 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-PRIME/4548 (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?S100YDGT (the auditor)
- 10.6
- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.7
- https://www.seikagaku.co.jp/en/ir/stock/coverage.html (coverage)
- 10.8
- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/4548 (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"ticker":"4548","exchange":"Prime Market"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:9f9c23b001770c04.