Skip to main content
Harmonic Drive Systems Inc. logo

Harmonic Drive Systems Inc. — Investor Relations & Filings

Ticker · 6324 ISIN · JP3765150002 LEI · 353800XFIX2EUARGOE85 T Manufacturing
Open in API
Filings indexed 97 across all filing types
Latest filing 2025-04-10 Transaction in Own Shar…
Country JP Japan
Listing T 6324

About Harmonic Drive Systems Inc.

https://www.hds.co.jp/english/

Harmonic Drive Systems Inc. is a manufacturer specializing in high-precision motion control products. The company's core technology is the HarmonicDrive®, a proprietary strain wave gear speed reducer known for its characteristics of zero backlash, high torque capacity, and compact, lightweight design. Its product portfolio includes precision speed reducers, gearheads for servo motors, and mechatronic products such as rotary and linear servo actuators. These components are utilized in applications demanding precise positioning and motion control, including industrial robots, collaborative robots (co-bots), semiconductor manufacturing equipment, medical devices, and aerospace systems.

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 · 100% confidence The document is titled "自己株券買付状況報告書" (Report on the Status of Treasury Stock Acquisition) and is filed under the Financial Instruments and Exchange Act (金融商品取引法). It details the acquisition of the company's own shares (treasury stock) during a specific reporting period (March 1, 2025, to March 31, 2025). This specific activity—reporting on the company's transactions in its own shares—directly corresponds to the definition of 'Transaction in Own Shares' (POS). The document is a formal report detailing the buyback activity, not just an announcement of a report (RPA) or a general regulatory filing (RNS).
2025-04-10 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 header explicitly states the filing type as "自己株券買付状況報告書" (Report on the Status of Treasury Stock Acquisition). The filing is submitted under the Financial Instruments and Exchange Act (金融商品取引法) and details the acquisition of the company's own shares (treasury stock) during a specific reporting period (February 1 to February 28, 2025). This directly corresponds to the definition of a report detailing the company buying back or selling its own shares, which is classified as 'Transaction in Own Shares' (POS). The document is a detailed report, not just an announcement of a report, given its structure and content detailing daily transactions.
2025-03-10 Japanese
臨時報告書
Regulatory Filings Classification · 100% confidence The document is a Japanese regulatory filing, indicated by headers like "【提出書類】 臨時報告書" (Filing Document: Extraordinary Report) and submission to the "関東財務局長" (Director of the Kanto Local Finance Bureau). The content explicitly states the reason for filing under the Financial Instruments and Exchange Act (金融商品取引法) due to a significant event affecting financial status. The event described is the sale of investment securities (policy holding shares) resulting in a specific gain (5.865 billion JPY) to be recorded in the fourth quarter of the fiscal year ending March 2025. This type of filing, reporting a significant, non-routine event that impacts financials, aligns best with a general Regulatory Filing (RNS) or potentially a specific disclosure related to capital/financing if the sale was the primary focus, but given the structure and the nature of reporting a material event under Japanese law, RNS is the most appropriate general category for miscellaneous material disclosures not covered by 10-K, ER, or IR. Since the content details a transaction (sale of shares) that impacts capital/assets, and it is a formal regulatory report, RNS is the best fit as a catch-all for specific Japanese material event disclosures not explicitly listed. However, since the transaction involves the sale of shares (Transaction in Own Shares - POS, or Capital/Financing - CAP), I must re-evaluate. This is not the company buying back its own shares (POS), but selling investments. It is a significant financial event disclosure. Given the options, RNS (Regulatory Filings) is the safest general classification for an 'Extraordinary Report' (臨時報告書) detailing a material event that isn't a standard earnings release or quarterly report.
2025-01-17 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. It serves as an officer certification by the CEO of Harmonic Drive Systems Inc. regarding the accuracy of the company's semi-annual report. Per the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations should be classified as Regulatory Filings (RNS), even if they reference a specific report type like an interim/semi-annual report. H1 37
2024-11-13 Japanese
半期報告書－第37期(2024/04/01－2025/03/31)
Interim / Quarterly Report Classification · 100% confidence The document is a '半期報告書' (Semi-Annual Report) filed by Harmonic Drive Systems Inc. with the Kanto Local Finance Bureau on November 13, 2024. It covers the interim accounting period from April 1, 2024, to September 30, 2024. It contains detailed financial statements, management analysis, and audit review information, which aligns with the definition of an Interim/Quarterly Report (IR). H1 2025
2024-11-13 Japanese
臨時報告書
M&A Activity Classification · 100% confidence The document is titled '臨時報告書' (Extraordinary Report) and is submitted to the Kanto Local Finance Bureau ('関東財務局長'). The filing date is October 18, 2024. The content explicitly states the reason for filing is a resolution made by the Board of Directors on October 18, 2024, regarding an absorption-type merger where the company (Harmonic Drive Systems Inc.) will be the surviving entity and its specific subsidiary ('合同会社エイチ・ディ・マネジメント') will be extinguished. This type of report, filed promptly upon a significant corporate action like a merger, aligns best with the definition of a filing related to capital structure changes or significant corporate events that require immediate disclosure, which often falls under 'Capital/Financing Update' (CAP) or sometimes a general 'Regulatory Filing' (RNS) if a more specific code isn't available. Since the core event is an absorption merger involving a subsidiary, which fundamentally alters the capital structure and ownership, 'CAP' (Capital/Financing Update) is the most appropriate specific category, although 'RNS' (Regulatory Filings) is a strong secondary candidate for Japanese extraordinary reports. Given the options, 'CAP' covers financing/capital structure changes, and a merger is a major capital structure event. However, looking closely at the definitions, there is no specific code for 'Merger/Acquisition' (TAR is M&A Activity, which usually implies an external takeover bid). Since this is an internal restructuring/merger, and it's an 'Extraordinary Report' (which often maps to RNS in general databases), I will check if 'CAP' fits better than the general 'RNS'. A merger is a significant capital change. I will classify it as 'CAP' due to the nature of the transaction (absorption merger affecting subsidiary ownership) being a capital structure event, but acknowledge its nature as a mandatory regulatory disclosure. Given the options, 'CAP' is the best fit for a merger/acquisition event that isn't a takeover bid (TAR). If the document was purely announcing the *intent* to raise capital, CAP would be certain. Since it's a merger, which is a form of capital restructuring, CAP is chosen over the generic RNS.
2024-10-18 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.