When a company wishes to buy back its shares it might do so via a tender offer. Shareholders say what price they are willing to sell their shares for and the company accepts the best offers it receives.
A public offer to purchase stocks usually in an attempt to gain a controlling interest in a corporation. The number of shares and purchase dates are usually fixed, and the price of the stocks may be over market price.
The offer made by one company or individual for shares of another company. The offer may be in the form of cash or securities.