This excerpt taken from the TPTX 10-K filed Mar 29, 2007.
11. UNSECURED OBLIGATION. Your Award is unfunded, and as a holder of a vested Restricted Stock Unit, you will be considered an unsecured creditor of the Company with respect to the Companys obligation, if any, to issue shares of Common Stock pursuant to this Agreement. You will not have voting or any other rights as a stockholder of the Company with respect to the shares of Common Stock subject to your Award until such shares of Common Stock are issued to you pursuant to Section 1 of this Agreement. Upon such issuance, you will obtain full voting and other rights as a stockholder of the Company. Nothing contained in this Agreement, and no action taken pursuant to its provisions, will create or be construed to create a trust of any kind or a fiduciary relationship between you and the Company or any other person.