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ALSOK CO.,LTD. — Investor Relations & Filings

Ticker · 2331 ISIN · JP3431900004 T Administrative and support service activities
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Filings indexed 100 across all filing types
Latest filing 2026-05-18 Major Shareholding Noti…
Country JP Japan
Listing T 2331

About ALSOK CO.,LTD.

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

ALSOK CO.,LTD. is a security services provider offering a comprehensive range of solutions. The company's primary services include electronic security, stationed security, and transportation security. It provides home and personal security systems, security consulting for system design, and management of on-site security personnel. ALSOK also offers fire protection services. The company serves a diverse clientele, including residential customers as well as commercial entities such as office buildings, financial institutions, and hotels.

Recent filings

Filing Released Lang Actions
大量保有報告書
Major Shareholding Notification Classification · 95% confidence The document is the actual Large Volume Holding Report (“大量保有報告書”) filed under Japan’s Financial Instruments and Exchange Act (Form No.1 for disclosure of large shareholdings), detailing a change report by ALSOK Corporation regarding its over-5% shareholding in the issuer. This is a notification of a significant share ownership change, matching the definition of a Major Shareholding Notification (MRQ).
2026-05-18 Japanese
自己株式取得に係る事項の決定に関するお知らせ
Transaction in Own Shares Classification · 92% confidence The document is a formal announcement by ALSOK Corporation regarding the board’s resolution to acquire treasury shares under the Companies Act, specifying share quantities, acquisition period, and methods. This directly matches the ‘Transaction in Own Shares’ category for share repurchase announcements.
2026-05-13 Japanese
ＴＣＧ2511株式会社による日本ドライケミカル株式会社（証券コード：1909）の普通株式に対する公開買付けの開始に関するお知らせ
M&A Activity Classification · 95% confidence The document is a formal announcement under the Japanese Financial Instruments and Exchange Act notifying the commencement of a public tender offer (公開買付け) by TCG2511 for the ordinary shares of Nihon Dry-Chemical Co., Ltd. It details the takeover bid’s purpose, schedule, pricing, and structure, which places it squarely in the category of M&A activity regarding takeover bids.
2026-05-13 Japanese
中期経営計画「ALSOK STAGE 2028」策定に関するお知らせ
Investor Presentation Classification · 87% confidence The document is titled “中期経営計画 ‘ALSOK STAGE 2028’” and contains slide-style presentation content such as strategic themes, financial targets, graphs, and bullet points. It is not an official annual or interim report with audited financial statements, nor is it a press release of results or a regulatory filing; rather it is a strategic plan presentation for investors. Therefore, it fits the Investor Presentation (IP) category.
2026-05-13 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 disclosing a corporate officer change—the appointment and resignation of representative directors, along with their backgrounds and shareholdings. This precisely matches an announcement of changes in the company’s board of directors/senior management. Therefore, it falls under the Board/Management Information category (MANG).
2026-04-16 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is titled '確認書' (Confirmation Letter) and explicitly cites '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 (in this case, a semi-annual report), should be classified as Regulatory Filings (RNS) rather than the report itself. H1 2025
2025-11-05 Japanese

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