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SUMITOMO DENSETSU CO.,LTD. — Investor Relations & Filings

Ticker · 1949 ISIN · JP3407800006 LEI · 3538004TJPF8WYKHK431 T Construction
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Filings indexed 64 across all filing types
Latest filing 2025-11-04 Regulatory Filings
Country JP Japan
Listing T 1949

About SUMITOMO DENSETSU CO.,LTD.

https://www.sem.co.jp/english/

Sumitomo Densetsu Co., Ltd. is a comprehensive engineering enterprise primarily engaged in the equipment and facility works business. The company provides a wide range of construction services, specializing in electrical systems, including power supply work and instrumentation. Its service portfolio also extends to the design and installation of air-conditioning and plumbing systems, as well as large-scale plant construction. The company undertakes diverse facilities construction projects, integrating multiple engineering disciplines to deliver comprehensive solutions for various infrastructure needs.

Recent filings

Filing Released Lang Actions
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, even if they reference a specific report type (like a semi-annual report), should be classified as Regulatory Filings (RNS) rather than the report itself, as they do not contain the actual financial statements. H1 2025
2025-11-04 Japanese
半期報告書－第101期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Semi-Annual Report' (半期報告書) filed with the Kanto Local Finance Bureau in Japan. It contains detailed financial statements, including the balance sheet and management analysis for the interim period ending September 30, 2025. It is a comprehensive financial report for a period shorter than a full fiscal year, fitting the definition of an Interim/Quarterly Report (IR). H1 2026
2025-11-04 Japanese
意見表明報告書
M&A Activity Classification · 100% confidence The document is a 'Statement of Opinion' (意見表明報告書) filed by Sumitomo Densetsu Co., Ltd. in response to a tender offer (公開買付け) initiated by Daiwa House Industry Co., Ltd. This document is a formal regulatory filing required under Japanese financial law (Financial Instruments and Exchange Act) when a company expresses its board's opinion on a takeover bid. It contains detailed information about the tender offer, the board's recommendation, and the rationale for the transaction. This fits the definition of a regulatory filing regarding M&A activity, but specifically, it is a formal response to a tender offer, which is a standard regulatory disclosure in Japan.
2025-10-31 Japanese
臨時報告書
AGM Information Classification · 100% confidence The document is titled "臨時報告書" (Extraordinary Report) and is submitted to the Kanto Local Finance Bureau. Section 1 explicitly states the reason for filing is that resolutions were passed at the Annual General Meeting (定時株主総会) held on June 25, 2025, pursuant to Article 24-5, Paragraph 4 of the Financial Instruments and Exchange Act. Section 2 details the resolutions, including dividend approval (Item 1), election of Directors (Item 2), and election of Auditors (Item 3), as well as a shareholder proposal (Item 4). This structure—reporting the results of a shareholder meeting—is characteristic of a filing announcing the outcome of an AGM. Since the document reports the *results* of the meeting, it aligns best with the 'AGM Information' category (AGM-R), which covers presentations and materials shared during the AGM, or potentially a specific regulatory filing related to AGM outcomes. Given the explicit content detailing the resolutions and voting results of the Annual General Meeting, AGM-R is the most appropriate classification over the general 'RNS' or 'DEF 14A' (which is for remuneration). The document is a formal report of the meeting's outcome, not just a proxy solicitation (PSI).
2025-06-26 Japanese
内部統制報告書－第100期(2024/04/01－2025/03/31)
Governance Information Classification · 100% confidence The document explicitly states in the header section ("【提出書類】") that it is an "内部統制報告書" (Internal Control Report). It references the legal basis under the Financial Instruments and Exchange Act ("金融商品取引法第24条の４の４第１項") and discusses the framework, scope, criteria, and results of evaluating internal controls over financial reporting, referencing the standard set by the Financial Accounting Standards Board (FASB) equivalent in Japan. This content perfectly matches the description of an Audit Report / Information filing, specifically related to internal controls assessment, which corresponds to code AR.
2025-06-25 Japanese
確認書
Audit Report / Information Classification · 95% confidence The document is extremely short (622 characters) and contains a header section typical of Japanese regulatory filings, specifically mentioning a '確認書' (Confirmation Document) submitted to the '関東財務局長' (Director of the Kanto Local Finance Bureau) based on Article 24-4-2, Paragraph 1 of the Financial Instruments and Exchange Act. The core content confirms that the '有価証券報告書' (Annual Securities Report, equivalent to a 10-K) for the period ending March 31, 2025, is accurate. Since this document is a confirmation *about* the Annual Securities Report, and not the report itself, and it is a specific regulatory confirmation document, it fits best under the general 'Regulatory Filings' (RNS) category, as there is no specific code for a 'Confirmation of Annual Report Accuracy' document, and it is not the full 10-K. FY 2025
2025-06-25 Japanese

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