This excerpt taken from the CVS DEF 14A filed Mar 28, 2008.
Option Exercises and Stock Vested Fiscal Year 2007
The options exercised by Mr. Ryan were due to expire on February 27, 2008 under the terms of the stock option agreement. Mr. Merlo exercised his stock options pursuant to a 10b5-1 selling plan previously entered into, and these options were due to expire on February 27, 2008 and March 12, 2008. Mr. Bodine exercised 17,400 stock options that were due to expire on February 27, 2008. The shares acquired by Mr. Spalding were in connection with the exercise of stock options previously awarded to him by Caremark and the settlement of his deferral account described in Payments/(Forfeitures) Under Termination Scenarios on page 50.