1. Non-publicly traded common stock of listed companies: refers to the non-publicly traded common stock of listed companies, which belongs to private equity through private negotiation or block trading.
2. Non-publicly issued ordinary shares of non-listed enterprises: refers to the non-publicly issued ordinary shares of non-listed enterprises, which are issued by private placement or private placement and belong to private equity.
3. Preferred stock that can be converted into common stock by non-listed enterprises: refers to the non-public issuance of preferred stock by non-listed enterprises, which can be converted into common stock under certain conditions and belongs to private equity.