目前,我国上市公司的股票按产权主体划分仍为国家股、法人股和社会公众股。在国有企业按照“先改制运行,后发行上市”的程序向社会发行股票时,国家为了防止国有资产的流失,规定作为发起人的国家股、法人股暂不上市流通。(《股票发行与交易管理暂行条例》第三十六条规定:国家拥 At present, the shares of the listed companies in China are still classified as state shares, legal person shares and public shares by the main body of property rights. When state-owned enterprises issue shares to the public in accordance with the procedures of “reforming, running after the listing and listing,” the state stipulates that the state shares as sponsors and the corporate shares shall not be listed for circulation in order to prevent the loss of state-owned assets. (“Provisional Regulations on the Issuance and Trading of Stocks,” the thirty-sixth article: the state owned