According to the Model Code for Securities Transactions by Directors of Listed Issuers in Hong Kong Listing Rules, what is a director prohibited from doing under confidentiality rules?
ID : 1900
Long answer : Directors must not leak confidential data (e.g., strategy plans). (Source: https://en-rules.hkex.com.hk/sites/default/files/net_file_store/HKEX4476_3785_VER31169.pdf)
Short answer : Disclosing confidential information without authorization.