Koatsu Gas Kogyo: Notice Concerning Change of Officers
Koatsu Gas Kogyo: Notice regarding changes in officers
Koatsu Gas Kogyo: Notice regarding changes in officers
Koatsu Gas Kogyo: Large Shareholding Report (Special Case Applicable Stocks, etc.)
Koatsu Gas Kogyo: Notice regarding the cancellation of stock sales
Koatsu Gas Kogyo: Notice regarding stock sales and changes in major shareholders
Koatsu Gas Kogyo: Summary of financial results for the 3rd quarter of the fiscal year ending March 31, 2019 [Japanese GAAP] (consolidated)
Koatsu Gas Kogyo: Interim report - 92nd term (2024/04/01 - 2025/03/31)
Koatsu Gas Kogyo: Confirmatory letter.
Koatsu Gas Kogyo: Summary of financial results for the 2nd quarter (interim period) of the fiscal year ending March 31, 2019 [Japanese GAAP] (consolidated)
Koatsu Gas Kogyo: FY2021 Q1 results announcement (Japanese GAAP, consolidated)
Change Report (Stock Certificates Eligible for Special Provisions, etc.)
Koatsu Gas Kogyo: Correction Report (Mass Ownership Report/Change Report)
Koatsu Gas Kogyo: Change Report (short-term mass transfer)
Koatsu Gas Kogyo: Mass Ownership Report
Koatsu Gas Kogyo: Extraordinary Report
Koatsu Gas Kogyo: Internal Control Report - 91st period (April 1, 2023 - March 31, 2024)
Koatsu Gas Kogyo: Confirmation letter
Koatsu Gas Kogyo: Securities Report - 91st fiscal year (April 1st, 2023 - March 31st, 2024)
Koatsu Gas Kogyo: Report on corporate governance, June 25, 2024.