Skip to main content
OKUMURA CORPORATION logo

OKUMURA CORPORATION — Investor Relations & Filings

Ticker · 1833 ISIN · JP3194800003 T Construction
Open in API
Filings indexed 71 across all filing types
Latest filing 2026-05-15 Proxy Solicitation & In…
Country JP Japan
Listing T 1833

About OKUMURA CORPORATION

https://www.okumuragumi.co.jp/en/

Okumura Corporation is a general contractor engaged in civil engineering and building construction. The company's civil engineering division undertakes large-scale infrastructure projects, including railways, roads, power-station facilities, and water systems. Its building construction division manages a diverse portfolio of projects such as commercial offices, government buildings, stores, warehouses, and logistics facilities. Leveraging its technical and solution-generating capabilities, Okumura Corporation focuses on creating safe, functional, and environmentally friendly spaces and infrastructure.

Recent filings

Filing Released Lang Actions
定款の一部変更に関するお知らせ
Proxy Solicitation & Information Statement Classification · 72% confidence The document is a Japanese announcement dated May 15, 2026, informing shareholders that the board resolved to propose an amendment to the company’s articles of incorporation at the upcoming annual general meeting (scheduled for June 26, 2026) and outlines the changes to be voted on. This is not the full annual report or any financial statements, nor is it a post‐meeting voting result. It is a pre‐meeting notice providing agenda information and soliciting votes, fitting the description of a proxy solicitation/information statement.
2026-05-15 Japanese
2026年3月期　FACT BOOK
Annual Report Classification · 82% confidence The document is a comprehensive “Fact Book” containing full financial statements (consolidated and standalone balance sheets, income statements, cash flows), segment performance, order/backlog data, forecasts, and detailed supplementary tables for the fiscal year ending March 2026. It spans tens of thousands of characters and presents actual financial results rather than merely announcing or certifying them. This aligns with a full annual financial report rather than a short press release, interim report, or presentation. Therefore, it should be classified as an Annual Report (10-K). FY 2026
2026-05-15 Japanese
2026年3月期　決算短信〔日本基準〕（連結）
Earnings Release Classification · 95% confidence The document is titled “2026年3月期 決算短信〔日本基準〕（連結）” (financial results summary under Japanese GAAP for the year ended March 2026). It is a kessan-tanshin, an unaudited year-end earnings release that provides consolidated performance highlights, financial tables (P&L, B/S, CF), dividends, and forecasts. It is not the full audited annual report (10-K) nor a notice of report publication; it is the initial announcement of year-end financial results. Therefore, it matches the Earnings Release category (ER). FY 2026
2026-05-15 Japanese
発行登録書（株券､社債券等）
Regulatory Filings Classification · 95% confidence The document is a 'Shelf Registration Statement' (発行登録書) filed with the Kanto Local Finance Bureau by Okumura Corporation. This document is a regulatory filing used to register securities (bonds) for future issuance. It does not fit into specific categories like Annual Reports, Earnings Releases, or M&A activity. As it is a formal regulatory filing for capital market activities that does not fall into the other specific categories provided, it is classified as a Regulatory Filing (RNS).
2026-03-04 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act. It serves as an officer certification regarding the accuracy of a semi-annual report. According to the 'Certification Rule', documents that are primarily officer certifications or attestations should be classified as Regulatory Filings (RNS), even if they reference a specific report type like an interim/semi-annual report. H1 89
2025-11-13 Japanese
半期報告書－第89期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 100% confidence The document is a '半期報告書' (Semi-Annual Report) filed by Okumura Corporation in Japan. It contains detailed financial statements, including the balance sheet, income statement, and cash flow analysis for the interim period ending September 30, 2025. It is a comprehensive financial report for a period shorter than a full fiscal year, which fits the definition of an Interim/Quarterly Report (IR). H1 2026
2025-11-13 Japanese

Browse filings by year

12 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.