Idemitsu Kosan Co.,Ltd. (5019) — research page

JP · jp-cm-kg/TSE-PRIME/5019 · as of 2026-11-06

Identity and listing

The issuer is Idemitsu Kosan Co.,Ltd., listed on the Prime Market under ticker 5019. Its ISIN is JP3142500002 and its LEI is 549300P0R46FF6DUA630. Its security type is Corporate, its segment is not on the record, and its sector is 3300 Oil and Coal Products. Its jurisdiction is Japan (EDINET domestic filer). Its listing status is listed, not halted.

The disclosure read

The record holds 23 filings across 17 filing days in the window 2025-11-06 to 2026-11-06. By type, the record holds 4 ad hoc, 9 corporate news, 5 prospectus, 3 regulatory filing and 2 results filings. The median gap between filing days is 13.0 days. The latest filing is dated 2026-09-03, an ad hoc filing, 64 days before the record date of 2026-11-06. The Prime Market median cadence gap is 29.0 days across 1557 issuers, and its median latency is 70.0 days. The 3300 Oil and Coal Products sector median cadence gap is 21 days across 9 issuers, and its median latency is 84 days.

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, as 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, as this register has no lifecycle type map yet. The issuer is listed and not halted.

Orderability

For the client category Qualified Institutional Investors, the signal is null and 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.

rule acm-68000/jp/suitability-principle-fiea-article-40/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability

Coverage

The issuer's investor-relations page names 8 research houses: Jefferies Japan Limited, Daiwa Securities Co. Ltd., Nomura Securities Co., Ltd., Mizuho Securities Co., Ltd., Morgan Stanley MUFG Securities Co., Ltd., BofA Securities Japan Co., Ltd., SMBC Nikko Securities Inc., and JPMorgan Securities Japan Co., Ltd.

Open research

No openly published research notes were found.

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. The record holds no sealed years for the issuer, and no earliest sealed date for the market. The live record began on a date not on the record.

Sources

10 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/5019 (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?S100YCS3 (the auditor)

10.8

https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)

10.9

https://www.idemitsu.com/en/ir/stock/analyst/index.html (coverage)

10.10

https://mcp.jp-cm-kg.ai/record/TSE-PRIME/5019 (the record)

Read it by agent

The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"JP3142500002"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:aaac4c507d5e21b4.