When an issuer of the securities set forth in Article 2, paragraph (1), item (v), (vii), (ix) or (xi) (excluding those specified by Cabinet Order) which are listed in a financial instruments exchange or fall under the category of over-the-counter traded securities or any other securities specified by Cabinet Order (hereinafter referred to as a "listed company, etc." in this Article) or an asset management company (meaning an asset management company as prescribed in Article 2, paragraph (21) of the Act on Investment Trusts and Investment Corporations) of a listed company, etc. which is an investment corporation (meaning an investment corporation as prescribed in Article 2, paragraph (12) of that Act; the same applies in item (i)) (hereinafter referred to as an "asset management company of a listed investment corporation, etc." in this paragraph and the following paragraph) or an officer (if the accounting advisor is a corporation, its staff member), agent, employee, or any other worker (hereinafter referred to as an "officer, etc." in item (i) and the following paragraph) of such company provides, with regard to the company's business, undisclosed material information about the operations, business, or assets of the listed company, etc. which has a material influence on investors' investment decisions (hereinafter referred to as "material information" in this Chapter) to the following persons (hereinafter referred to as "business associates" in this Article) (if the person that provides the material information is an agent, employee, or any other worker of a listed company, etc. or an asset management company of a listed investment corporation, etc., the provision of information by a person in the listed company, etc. or the asset management company of a listed investment corporation, etc. that has been assigned the duty to provide information to business associates; hereinafter the same applies in this Article), the listed company, etc. must disclose the material information at the same time as the provision of information; provided, however, that this does not apply if a business associate has an obligation under laws, regulations, or contract to the effect that the business associate must not divulge a secret concerning the material information and must not effect a purchase and sale, or any other transfer or acquisition for value, or succession upon a merger or company split (meaning to cause the other party to succeed or to succeed upon merger or company split) of the securities issued by the listed company, etc. which fall under any of the categories of securities set forth in Article 2, paragraph (1), item (v), (vii), (ix), or (xi) (excluding those specified by Cabinet Order), securities set forth in item (xix) of that paragraph which indicate options involving these securities, or other securities specified by Cabinet Order (hereinafter referred to as "listed securities, etc." in this paragraph and paragraph (3)), nor effect a derivatives transaction (excluding transactions in which a person that has acquired an option on listed securities, etc. acquires listed securities, etc. by exercising that option or other transactions specified by Cabinet Office Order) connected with the same (hereinafter referred to as "purchase and sale, etc." in item (ii) and paragraph (3)), before the disclosure of the material information:
第二条第一項第五号、第七号、第九号若しくは第十一号に掲げる有価証券(政令で定めるものを除く。)で金融商品取引所に上場されているもの若しくは店頭売買有価証券に該当するものその他の政令で定める有価証券の発行者(以下この条において「上場会社等」という。)若しくは投資法人(投資信託及び投資法人に関する法律第二条第十二項に規定する投資法人をいう。第一号において同じ。)である上場会社等の資産運用会社(同法第二条第二十一項に規定する資産運用会社をいう。)(以下この項及び次項において「上場投資法人等の資産運用会社」という。)又はこれらの役員(会計参与が法人であるときは、その社員)、代理人若しくは使用人その他の従業者(第一号及び次項において「役員等」という。)が、その業務に関して、次に掲げる者(以下この条において「取引関係者」という。)に、当該上場会社等の運営、業務又は財産に関する公表されていない重要な情報であつて、投資者の投資判断に重要な影響を及ぼすもの(以下この章において「重要情報」という。)の伝達(重要情報の伝達を行う者が上場会社等又は上場投資法人等の資産運用会社の代理人又は使用人その他の従業者である場合にあつては、当該上場会社等又は当該上場投資法人等の資産運用会社において取引関係者に情報を伝達する職務を行うこととされている者が行う伝達。以下この条において同じ。)を行う場合には、当該上場会社等は、当該伝達と同時に、当該重要情報を公表しなければならない。ただし、取引関係者が、法令又は契約により、当該重要情報が公表される前に、当該重要情報に関する秘密を他に漏らし、かつ、当該上場会社等の第二条第一項第五号、第七号、第九号又は第十一号に掲げる有価証券(政令で定めるものを除く。)、これらの有価証券に係るオプションを表示する同項第十九号に掲げる有価証券その他の政令で定める有価証券(以下この項及び第三項において「上場有価証券等」という。)に係る売買その他の有償の譲渡若しくは譲受け、合併若しくは分割による承継(合併又は分割により承継させ、又は承継することをいう。)又はデリバティブ取引(上場有価証券等に係るオプションを取得している者が当該オプションを行使することにより上場有価証券等を取得することその他の内閣府令で定めるものを除く。)(第二号及び第三項において「売買等」という。)をしてはならない義務を負うときは、この限りでない。