The federal government does not impose transfer duties on the sale of shares in a company incorporated and/or listed in the US. Sales or other transfer taxes, including real property transfer taxes, may be payable, subject to defined exceptions, under the

•Adopting a shareholder rights plan (poison pill) allowing the issuance of rights to the company's shareholders to acquire additional securities in the company at a below-market price on certain trigger events, thereby diluting the voting power of t

Under SEC rules for de-listing securities from a national securities exchange (such as the NYSE) that became effective in April 2006, either the company or the relevant stock exchange (generally for violation of the exchange's rules) can initiate a de-lis

In some states, statutory freeze-out provisions require a bidder that surpasses a certain ownership threshold in a company (usually between 10% and 20%) to wait a specified period of time before gaining control of the company