Are the shares held by the chairman of a listed company tradable or non-tradable, or both?

First of all, make sure that the listed companies you mentioned should be listed in China, right? (Shanghai and Shenzhen)

The types of shares held by the chairman of a listed company depend on the source of these shares and the nature of the listed company.

(1) held before listing. The chairman of state-owned enterprises holds internal employee shares, while the chairman of private enterprises generally holds shares of actual controllers (usually major shareholders);

(2) Award to the chairman by means of equity incentive.

(3) Buy from the secondary market after listing.

The above situation (1)(2) has a lock-up period (restricted sale period) and cannot be sold casually. Belong to restricted shares, which can only be sold after the expiration of the restricted sale period;

The third situation belongs to tradable shares, but it also needs to be locked for six months before it can be sold, because you are the chairman of the board and know inside information, so you can't buy or sell it.