According to the Model Code for Securities Transactions by Directors of Listed Issuers in Hong Kong Listing Rules, is a director permitted to pledge shares as collateral?
ID : 1912
Long answer : Pledging shares is treated as a dealing under the code. (Source: https://en-rules.hkex.com.hk/sites/default/files/net_file_store/HKEX4476_3785_VER31169.pdf)