X0203 3 2009-10-30 0 0001145404 CORNERSTONE THERAPEUTICS INC CRTX 0001317664 Roberts Alan C/O CORNERSTONE THERAPEUTICS 1255 CRESCENT GREEN DRIVE, SUITE 250 CARY NC 27518 0 1 0 0 VP, Scientific Affairs Common Stock 64100 D Option to Purchase Common Stock (Right to Buy) 9.30 2019-07-27 Common Stock 50000 D 52,500 of these shares are subject to a restricted stock agreement. The vesting schedule of such shares is 17,500 shares on May 25, 2011, 17,500 shares on May 25, 2012, and 17,500 shares on May 25, 2013. This option vests as to 25% of the original number of shares on July 28, 2010 and as to an additional 2.09% of the original number of shares at the end of each successive one-month period following July 28, 2010 until July 28, 2013. /s/ Alan Roberts 2009-11-03