Skip to main content
mitanisekisanco.,ltd logo

mitanisekisanco.,ltd — Investor Relations & Filings

Ticker · 5273 ISIN · JP3887600009 T Manufacturing
Open in API
Filings indexed 80 across all filing types
Latest filing 2026-05-11 Transaction in Own Shar…
Country JP Japan
Listing T 5273

About mitanisekisanco.,ltd

https://www.m-sekisan.co.jp/en/

Mitani Sekisan Co., Ltd. is a manufacturer specializing in concrete secondary products. The company's core business involves the production and sale of concrete piles, for which it holds a leading market share, alongside concrete poles, waterworks materials, and environmental block products. The company also operates a gravel business. Mitani Sekisan has diversified its portfolio into several other sectors, including geothermal power generation, hotel operations, rental office building management, and information-related services.

Recent filings

Filing Released Lang Actions
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 95% confidence The document is a “自己株券買付状況報告書” (Report on acquisition of own shares) filed under the Financial Instruments and Exchange Act, detailing the company’s treasury stock repurchase activity and current holdings. This corresponds directly to the “Transaction in Own Shares” category, code POS.
2026-05-11 Japanese
変更報告書
Major Shareholding Notification Classification · 98% confidence The document is a Japanese "大量保有報告書" (large shareholding report), specifically a Change Report filed under the Financial Instruments and Exchange Act for disclosure of significant share ownership exceeding thresholds (e.g., >1%). It lists the title of the form, the trigger date, share counts and percentages, joint holders, and other details typical of a major shareholding notification. This matches the definition for Major Shareholding Notification (Code: MRQ).
2026-04-22 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 90% confidence The document is a statutory "自己株券買付状況報告書" (Report on Status of Acquisition of Own Shares) filed under the Financial Instruments and Exchange Act, detailing share repurchase activity and treasury share holdings. This directly corresponds to the "Transaction in Own Shares" category.
2026-04-06 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a '自己株券買付状況報告書' (Report on Status of Acquisition of Own Shares) filed under the Financial Instruments and Exchange Act. It details the company's share buyback activity (or lack thereof) for a specific period. This aligns perfectly with the definition for 'Transaction in Own Shares' (POS).
2026-03-05 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a '自己株券買付状況報告書' (Report on Status of Acquisition of Own Shares) filed under the Financial Instruments and Exchange Act. It details the company's share buyback activity for the period of December 2025. This specific type of regulatory filing, which reports on the company's transactions in its own shares, corresponds to the 'POS' (Transaction in Own Shares) category.
2026-01-08 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a '自己株券買付状況報告書' (Report on Status of Acquisition of Treasury Shares) filed under the Financial Instruments and Exchange Act. It details the company's share buyback activity for the period of November 2025, including the number of shares acquired and the total cost. This falls directly under the category of 'Transaction in Own Shares' (POS).
2025-12-04 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.