X0303 4 2010-03-16 0001066134 CORINTHIAN COLLEGES INC COCO 0001225883 MORTENSEN STAN A 6 HUTTON CENTRE DRIVE SUITE 400 SANTA ANA CA 92707 0 1 0 0 EVP, GC & Corp. Sec. Common Stock 2010-03-16 4 M 0 8000 7.375 A 49988 D Common Stock 2010-03-16 4 S 0 8000 18.00 D 41988 D Common Stock 2010-03-17 4 F 0 1524 18.49 D 40464 D Stock Option (right to buy) 7.375 2010-03-16 4 M 0 4000 0 D 2010-09-11 Common Stock 4000 16000 D Stock options (right to buy) 7.4297 2010-03-16 4 M 0 4000 0 D 2010-12-15 Common Stock 4000 16000 D The transactions identified by Footnote 1 on this Form 4 were effected pursuant to a pre-planned trading program established in reliance on Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. Consists of shares withheld by the Issuer with respect to income taxes payable by the Reporting Person upon the vesting and delivery of one-third of the shares of common stock underlying restricted stock units previously granted by the Issuer on March 17, 2008, with the vesting schedule in three equal installments on March 17, 2009, March 17, 2010 and March 17, 2011. The options vested on September 11, 2001, September 11, 2002, September 11, 2003 and September 11, 2004. The options vested on December 15, 2001, December 15, 2002, December 15, 2003, and December 15, 2004. Stan A. Mortensen 2010-03-17