Skip to main content
Sumitomo Mitsui Construction Co.,Ltd. logo

Sumitomo Mitsui Construction Co.,Ltd. — Investor Relations & Filings

Ticker · 1821 ISIN · JP3889200006 T Construction
Open in API
Filings indexed 67 across all filing types
Latest filing 2026-05-14 Major Shareholding Noti…
Country JP Japan
Listing T 1821

About Sumitomo Mitsui Construction Co.,Ltd.

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

Sumitomo Mitsui Construction Co., Ltd. is a general contractor engaged in civil engineering and building construction. The company's civil engineering division specializes in large-scale infrastructure projects, including bridges, dams, and tunnels, leveraging advanced technologies such as prestressed concrete. The building construction division undertakes a wide variety of projects, including office buildings, residential complexes, factories, industrial facilities, hotels, and educational institutions. The firm provides comprehensive services encompassing design, engineering, and project execution. It operates on a global scale, delivering construction projects with a focus on quality, technological innovation, and sustainability.

Recent filings

Filing Released Lang Actions
変更報告書
Major Shareholding Notification Classification · 95% confidence The document is a Japanese "大量保有報告書" (Large Shareholding Report) filed under the Financial Instruments and Exchange Act, disclosing changes in a substantial shareholder’s stake (crossing the 1% threshold). This exactly matches the definition of a Major Shareholding Notification (MRQ).
2026-05-14 Japanese
変更報告書
Major Shareholding Notification Classification · 95% confidence The document is a Japanese "大量保有報告書" (Large Shareholding Report) filed under the Cabinet Office Ordinance and Financial Instruments and Exchange Act, detailing a change in shareholdings exceeding 1%, with specific numbers, ratios, and dates. This matches the definition of a Major Shareholding Notification (Code: MRQ).
2026-04-27 Japanese
変更報告書
Major Shareholding Notification Classification · 92% confidence The document is a Japanese ‘大量保有報告書’ (Large Shareholding Report) under the Financial Instruments and Exchange Act, disclosing changes in share ownership by Sumitomo Mitsui Construction Co., Ltd., including reporting obligation dates, share counts, percentages and change reasons (“本店所在地の変更”). This is a direct notification of significant shareholding levels crossing regulatory thresholds, matching the Major Shareholding Notification category (MRQ).
2026-04-27 Japanese
公開買付報告書
M&A Activity Classification · 88% confidence The document is a Japanese “公開買付報告書” (tender offer report) filed by Mitsui Sumitomo Construction detailing a takeover bid (public purchase) of another company’s shares, including offer period, results, share counts, and ownership ratios. This falls squarely under M&A Activity (takeover bids).
2026-04-22 Japanese
訂正公開買付届出書
M&A Activity Classification · 100% confidence The document is a '公開買付届出書' (Tender Offer Statement) filed with the Kanto Local Finance Bureau by Sumitomo Mitsui Construction Co., Ltd. regarding the acquisition of Sumitomo Mitsui Construction Road Co., Ltd. This is a formal regulatory filing related to a takeover bid/M&A activity. According to the provided filing definitions, documents related to merger proposals or takeover bids are classified as 'TAR'.
2026-03-11 Japanese
公開買付届出書
M&A Activity Classification · 100% confidence The document is a 'Tender Offer Statement' (公開買付届出書) filed by Sumitomo Mitsui Construction Co., Ltd. regarding the acquisition of shares in Sumitomo Mitsui Construction Road Co., Ltd. This is a formal regulatory filing under the Financial Instruments and Exchange Act of Japan, detailing the terms, background, and purpose of a tender offer (M&A activity). It is not a report publication announcement, but the primary legal document for the tender offer itself.
2026-03-10 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.