Regulations Governing the Acquisition and Disposal of Assets by Public Companies Article 26

Every person participating in or privy to the plan for merger, demerger, acquisition, or transfer of shares shall issue a written undertaking of confidentiality and may not disclose the content of the plan prior to public disclosure of the information and may not trade, in their own name or under the name of another person, in any stock or other equity security of any company related to the plan for merger, demerger, acquisition, or transfer of shares.
中文原文 公開發行公司取得或處分資產處理準則第26條
所有參與或知悉公司合併、分割、收購或股份受讓計畫之人,應出具書面保密承諾,在訊息公開前,不得將計畫之內容對外洩露,亦不得自行或利用他人名義買賣與合併、分割、收購或股份受讓案相關之所有公司之股票及其他具有股權性質之有價證券。

English translation for reference only; the Chinese text prevails. Not legal advice.