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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 103 across all filing types
Latest filing 2026-06-08 M&A Activity
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
[Delayed](Correction) Notice Regarding Correction to the“Notice Regarding the Commencement of Tender Offer for Common Stocks of Nippon Dry-Chemical
M&A Activity Classification · 88% confidence The document is a notice of correction to a previously announced tender offer for Nippon Dry-Chemical Co., Ltd. It provides amended details to the original “Notice Regarding the Commencement of Tender Offer” and the public notice of the tender offer, as required under the Financial Instruments and Exchange Act. This is clearly related to a takeover bid / tender offer process and is not a simple dividend, board change, or regular financial report. It fits our “M&A Activity” category, which covers announcements and documents related to merger proposals or takeover bids.
2026-06-08 English
（訂正）「ＴＣＧ2511 株式会社による日本ドライケミカル株式会社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」の訂正に関するお知らせ
M&A Activity Classification · 92% confidence The document is a public announcement of a correction to a previously filed tender offer commencement notice (“公開買付けの開始に関するお知らせ”) under the Japanese Financial Instruments and Exchange Act. It does not contain financial statements or broader management commentary, but is specifically related to a takeover bid (公開買付け). According to the taxonomy, materials and announcements related to tender offers and M&A proposals fall under the M&A Activity category (Code: TAR).
2026-06-05 Japanese
自己株式の取得状況に関するお知らせ
Transaction in Own Shares Classification · 92% confidence The document is an announcement of the company’s acquisition of its own shares (treasury stock) under the Companies Act, detailing the number of shares purchased, total cost, period, and method. This clearly matches the description for “Transaction in Own Shares” (Code: POS).
2026-06-01 Japanese
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

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