This excerpt taken from the TPTX 8-K filed May 16, 2005.
Each Right will allow its holder to purchase from our Company one one-thousandth of a share of Series A Participating Preferred Stock (Preferred Stock) for $15.00, once the Rights become exercisable. This portion of a share of Preferred Stock will give the stockholder approximately the same dividend, voting, and liquidation rights as would one share of common
stock. Prior to exercise, the Right does not give its holder any dividend, voting, or liquidation rights as a stockholder of our Company.