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DAIHO CORPORATION — Investor Relations & Filings

Ticker · 1822 ISIN · JP3498600000 T Construction
Open in API
Filings indexed 67 across all filing types
Latest filing 2026-05-28 Major Shareholding Noti…
Country JP Japan
Listing T 1822

About DAIHO CORPORATION

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

DAIHO CORPORATION is a general contractor specializing in civil engineering and construction. The company undertakes a wide range of large-scale infrastructure projects, including the construction of power plants, dams, harbors, roads, bridges, railroads, and subways. It also constructs commercial buildings. A key area of expertise lies in advanced foundation and tunneling technologies, such as the pneumatic caisson and shield tunneling methods. In addition to its core construction activities, the company provides comprehensive services including project design, supervision, and consultation. DAIHO also engages in environmental restoration services, aiming to support daily life while fostering harmony between development and the natural environment.

Recent filings

Filing Released Lang Actions
臨時報告書
Major Shareholding Notification Classification · 92% confidence The document is a Japanese "臨時報告書" (Timely Disclosure Report) filed under the Financial Instruments and Exchange Act, notifying a change in a major shareholder (ATRA) due to an off-market treasury share purchase transaction (ToSTNeT-3). It quantifies shareholding before/after and cites the legal requirements for disclosure of major shareholding changes. This aligns with our Major Shareholding Notification (MRQ) category.
2026-05-28 Japanese
主要株主の異動に関するお知らせ
Major Shareholding Notification Classification · 93% confidence The document is a public notice by Taiho Kensetsu Co., Ltd. announcing a change in its major shareholder following a large shareholding report (大量保有報告書). It provides detailed pre- and post-change voting rights and shareholding percentages for a specific shareholder, which matches the definition of a Major Shareholding Notification. Therefore, the correct classification is MRQ.
2026-05-28 Japanese
自己株式立会外買付取引（ToSTNeT-3）による自己株式の取得結果及び取得終了に関するお知らせ
Transaction in Own Shares Classification · 95% confidence The document is an official announcement detailing the results and completion of the company's acquisition of its own shares through a ToSTNeT-3 transaction (share buyback). It specifies the number of shares repurchased, total amount spent, acquisition date, and method. This matches the “Transaction in Own Shares” category.
2026-05-21 Japanese
自己株式の取得及び自己株式立会外買付取引（ToSTNeT-3）による自己株式の買付けに関するお知らせ
Transaction in Own Shares Classification · 95% confidence The document is a Japanese press release from the company’s board of directors announcing the decision and details to repurchase its own shares (share buyback) via ToSTNeT-3. It provides the reason, method, number of shares, maximum amount, and schedule for publication of results. This fits the category of a transaction in own shares (share repurchase).
2026-05-20 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is titled '確認書' (Confirmation Letter) and explicitly references '金融商品取引法第24条の５の２第１項' (Article 24-5-2, Paragraph 1 of the Financial Instruments and Exchange Act). It serves as an officer certification confirming the accuracy of a semi-annual report. According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations, even if they reference a report (like a semi-annual report), should be classified as Regulatory Filings (RNS) rather than the report itself. H1 77
2025-11-14 Japanese
半期報告書－第77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 Daiho Corporation in Japan. It contains detailed financial statements, management analysis, and audit information for the interim period ending September 30, 2025. According to the filing definitions, a comprehensive financial report for a period shorter than a full fiscal year (such as a half-year report) containing actual financial statements is classified as an Interim / Quarterly Report (IR). H1 2026
2025-11-14 Japanese

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