In the event of a voluntary transfer, the selling shareholder must ensure that the terms of the takeover offer are extended to other shareholders in proportion to their respective shares. The rights of the tag along exist to protect minority shareholders, so that a majority shareholder, when it sells its shares, grants other shareholders the right to join the transaction. Shareholders often have access to trade secrets, standard operating procedures, client and source lists, research and development, financial details and other sensitive or confidential information. A SHA may contain non-disclosure and non-competition clauses, compel shareholders to keep the secret and prevent them from working for competitors or other parties for whom the interests of the company could be harmed. In addition, this language may also contain a non-invitation clause that prevents or prevents a shareholder from making transactions with a company or person who has been or is the company`s customer. In strict legal theory, the relationship between shareholders and those between shareholders and the company is governed by the company`s constitutional documents. [Citation required] However, for a relatively small number of shareholders, such as in a start-up, it is common in practice for shareholders to complete the constitutional document. There are a number of reasons why shareholders want to complete (or take over) the company`s constitutional documents: . Call options in the SHAs haunt shareholders or the entity to compel a shareholder to sell its shares to them or the company at a certain price or a predetermined formula.