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BASE CO.,LTD. — Investor Relations & Filings

Ticker · 4481 ISIN · JP3835210000 T Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
Open in API
Filings indexed 53 across all filing types
Latest filing 2026-03-26 Regulatory Filings
Country JP Japan
Listing T 4481

About BASE CO.,LTD.

https://www.basenet.co.jp/

Base Co., Ltd. is an IT services provider specializing in outsourced software development. The company's core business operates across three main segments: System Integration (SI), ERP Solutions, and ICT Solutions. The SI division offers system development, operations, and maintenance services to enhance clients' business efficiency and competitiveness. The ERP Solutions segment provides services centered on global enterprise resource planning systems, including SAP, tailored to customer requirements. The ICT Solutions business deploys a wide range of information and communication technology solutions for clients in various sectors. The company focuses on delivering new value to its customers by leveraging advanced technologies and management expertise.

Recent filings

Filing Released Lang Actions
確認書
Regulatory Filings Classification · 100% confidence The document is titled '確認書' (Confirmation Letter) and explicitly states it is filed under the Financial Instruments and Exchange Act to confirm the accuracy of the contents of the Annual Securities Report (有価証券報告書). According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations, even if they reference a report like an Annual Report, should be classified as Regulatory Filings (RNS) rather than the report itself. FY 2025
2026-03-26 Japanese
有価証券報告書－第29期(2025/01/01－2025/12/31)
Annual Report Classification · 100% confidence The document is a Japanese 'Yuka Shoken Hokokusho' (Securities Report), which is the standard annual financial filing required by the Financial Services Agency of Japan under the Financial Instruments and Exchange Act. It contains comprehensive financial statements, management discussion, and corporate information for the fiscal year ending December 31, 2025. This corresponds to the '10-K' category in the provided schema, as it is the official annual report of the company. FY 2025
2026-03-26 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 Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. This document specifically details the company's share buyback activities for the period of December 2025. According to the provided definitions, reports regarding a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2026-01-06 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 Purchase of Own Shares) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. It details the specific dates, quantities, and prices of share repurchases conducted by BASE CO., LTD. during the month of November 2025. This falls directly under the definition of 'Transaction in Own Shares' (POS).
2025-12-02 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 'Report on the Status of Acquisition of Treasury Shares' (自己株券買付状況報告書) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. It details the specific dates, quantities, and prices of shares repurchased by the company during the month of October 2025. This falls directly under the category of 'Transaction in Own Shares' (POS), which covers share buybacks.
2025-11-05 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 Treasury Shares) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. This document details the company's share buyback activities for the period of September 2025. According to the provided definitions, reports regarding the company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2025-10-02 Japanese

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