Skip to main content
HAMAMATSU PHOTONICS K.K. logo

HAMAMATSU PHOTONICS K.K. — Investor Relations & Filings

Ticker · 6965 ISIN · JP3771800004 T Manufacturing
Open in API
Filings indexed 74 across all filing types
Latest filing 2026-04-15 Transaction in Own Shar…
Country JP Japan
Listing T 6965

About HAMAMATSU PHOTONICS K.K.

https://www.hamamatsu.com/

Hamamatsu Photonics K.K. is a leading manufacturer of optical and electronic devices specializing in the generation and measurement of light. The company develops, manufactures, and sells a wide range of products including light sensors, light sources, scientific cameras, and infrared detectors. With a strong emphasis on research and development, its technologies cover the ultraviolet, visible, and infrared spectrums. These components and systems serve diverse applications in scientific research, life sciences, and industrial fields, including semiconductor failure analysis.

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 · 1% confidence The document is a statutory "自己株券買付状況報告書" (report on buyback of own shares) under Article 24-6 of Japan’s Financial Instruments and Exchange Act. It details share repurchase volumes, dates, total amounts, and progress percentages. This clearly corresponds to a Transaction in Own Shares filing. Therefore, the appropriate category is POS.
2026-04-15 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 · 1% 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. This document specifically details the company's share buyback activities for the month of February 2026, including daily transaction volumes and prices. This aligns perfectly with the definition of 'Transaction in Own Shares' (POS).
2026-03-16 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 · 1% 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 daily transactions of share buybacks conducted by Hamamatsu Photonics K.K. during the month of December 2025. This document type directly corresponds to the 'Transaction in Own Shares' (POS) category, as it reports the company's activity in buying back its own shares.
2026-01-15 Japanese
訂正確認書
Audit Report / Information Classification · 1% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act of Japan, specifically related to a correction of a Securities Report (有価証券報告書). Since it is a regulatory filing submitted to the Kanto Local Finance Bureau regarding the accuracy of financial reporting and does not fit into specific categories like 10-K or IR (which are the reports themselves), it is classified as a general regulatory filing. FY 2025
2025-12-26 Japanese
訂正有価証券報告書－第78期(2024/10/01－2025/09/30)
Annual Report Classification · 1% confidence The document is a 'Correction Report' (訂正有価証券報告書) for an Annual Securities Report (有価証券報告書), which is the Japanese equivalent of a 10-K. It includes metadata indicating it is a formal filing under the Financial Instruments and Exchange Act (金融商品取引法第24条第１項) and contains XBRL data tags. Since it is a correction to a primary annual financial report, it falls under the 10-K category. FY 2025
2025-12-26 Japanese
確認書
Audit Report / Information Classification · 1% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act of Japan, specifically related to the accuracy of the Annual Securities Report (Yuuka Shouken Houkokusho). While it references the Annual Securities Report, the document itself is a standalone regulatory filing confirming the validity of the report's contents. Since it does not fit into the specific categories for financial reports or announcements, it is classified as a Regulatory Filing (RNS). FY 2025
2025-12-18 Japanese

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.