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Fudo Tetra Corporation — Investor Relations & Filings

Listed
Ticker · 1813 ISIN · JP3825600004 T Construction
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Filings indexed 121 across all filing types
Latest filing 2026-06-18 Regulatory Filings
Country JP Japan
Listing T 1813 · 1 venue

About Fudo Tetra Corporation

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

Fudo Tetra Corporation is a construction and engineering firm specializing in civil engineering, ground improvement, and environmental solutions. The company's civil engineering division undertakes both land-based and offshore projects. Land-based work includes the construction of essential infrastructure such as roads, railways, dams, rivers, and energy facilities. Its offshore and marine engineering portfolio encompasses harbors, airports, fishing ports, shorelines, and man-made islands. A key area of expertise is advanced ground improvement and foundation technologies. In its environmental business, the company is widely known for leasing the formwork for its proprietary wave-dissipating concrete blocks, known as Tetrapods, and also markets other environmental and landscaping products.

Recent filings

Filing Released Lang Actions
確認書
Regulatory Filings Classification · 100% confidence The document is a '確認書' (confirmation letter) submitted to the Kanto Finance Bureau under Article 24-4-2 Paragraph 1 of the Financial Instruments and Exchange Act. It confirms that the Securities Report for the 80th fiscal period (April 1, 2025 to March 31, 2026) has been appropriately prepared under the law, signed by the Representative Director and President. There are no actual financial statements or substantive financial data presented here; rather it is a formal attestation of the accuracy of a Securities Report. Therefore, this is an officer certification related to a reporting requirement, which fits the Regulatory Filings (RNS) category as per the Certification Rule.
2026-06-18 Japanese
有価証券報告書－第80期(2025/04/01－2026/03/31)
Annual Report Classification · 95% confidence The document is titled 有価証券報告書, which translates to Securities Report, a term commonly used in Japan for an annual report similar to a 10-K. It references the financial instrument exchange law, specifies a fiscal year period from April 1, 2025, to March 31, 2026, and includes detailed corporate and financial data typical of a full annual report. Additionally, the document length is very large (around 200,000 characters), indicating it is a complete comprehensive report rather than a short announcement or certification. These factors indicate that this document is the full Annual Report under Japanese GAAP. FY 2026
2026-06-18 Japanese
2026年３月期決算短信〔日本基準〕(連結)
Regulatory Filings
2026-05-11 Japanese
臨時報告書
Board/Management Information Classification · 95% confidence The document is a Japanese “臨時報告書” (timely report) filed under the Financial Instruments and Exchange Act, detailing a change in the company’s representative director (management). It is not an annual or quarterly financial report but an announcement of a board/senior management change. According to our taxonomy, this falls under Board/Management Information.
2026-04-27 Japanese
代表取締役の異動（追加選定）及び役員人事に関するお知らせ
Regulatory Filings
2026-04-27 Japanese
業績予想の修正及び配当予想の修正（増配）に関するお知らせ
Regulatory Filings
2026-04-21 Japanese

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