Skip to main content
THK CO., LTD. logo

THK CO., LTD. — Investor Relations & Filings

Ticker · 6481 ISIN · JP3539250005 T Manufacturing
Open in API
Filings indexed 86 across all filing types
Latest filing 2026-03-23 Regulatory Filings
Country JP Japan
Listing T 6481

About THK CO., LTD.

https://www.thk.com/jp/en/

THK CO., LTD. is a manufacturer of mechanical components for automation, robotics, and mechanical engineering. The company is a global pioneer in linear motion technology, having been the first to develop and commercialize the Linear Motion (LM) Guide. This core product, which enables precise linear movement through rolling contact, is fundamental to modern manufacturing and automation. The company's extensive product lineup also includes ball screws, ball splines, electric actuators, and linear motor systems. Expanding beyond individual components, THK also offers integrated unit solutions, robot solutions, and IoT services. Its products are critical for applications requiring high precision and rigidity, such as in machine tools, factory automation systems, and transportation equipment.

Recent filings

Filing Released Lang Actions
訂正発行登録書
Regulatory Filings Classification · 89% confidence The document is a corrected issuance registration statement (訂正発行登録書) submitted to the Kanto Local Finance Bureau regarding the registration of bond issuance, including registration number, effective period, and correction details. It is a formal regulatory submission notice rather than the actual issuance details or an investor presentation. It does not match specific categories like Annual Report, Earnings Release, or Share Issue (which is about equity). This is best classified as a general regulatory filing.
2026-03-23 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act of Japan. It serves as an officer certification regarding the accuracy of the company's 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 specific report, should be classified as Regulatory Filings (RNS) rather than the report itself. The document does not contain the actual financial statements or substantive financial data of the Annual Report. FY 2025
2026-03-18 Japanese
有価証券報告書－第56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 Japanese equivalent of a 10-K annual report. It explicitly states the document type as '有価証券報告書' (Securities Report), cites the Financial Instruments and Exchange Act Article 24, Paragraph 1, and covers a full fiscal year (2025-01-01 to 2025-12-31). It contains comprehensive financial data and disclosures, fitting the definition of an Annual Report. FY 2025
2026-03-18 Japanese
訂正発行登録書
Capital/Financing Update Classification · 95% confidence The document is a '訂正発行登録書' (Amendment to Shelf Registration Statement) filed with the Kanto Local Finance Bureau by THK Co., Ltd. It relates to the registration of corporate bonds and updates the reference documents following the submission of an extraordinary report. As this is a regulatory filing regarding capital registration and does not fit into specific categories like earnings, dividends, or M&A, it is classified as a Regulatory Filing (RNS).
2026-02-02 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 '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. This document specifically details the company's share repurchase activity (buybacks) for the period of November 2025. According to the provided filing definitions, reports regarding a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2025-12-15 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 repurchase activities (buybacks) for the period of September 2025. According to the provided filing definitions, reports regarding a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2025-10-15 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.