As a general rule, each common share is entitled to one vote.Preferred shares are usually non-voting but are granted certain dividend and liquidation preferences.The by-laws may limit the number of votes a shareholder is entitled to and plural voting is not allowed, regardless of the type of shares.Also, the by-laws may grant holders of preferred shares the right to vote on a number of topics, such as company valuation, its merger or spin-off, among others..