X0306 4 2012-08-22 0 0001145404 CORNERSTONE THERAPEUTICS INC CRTX 0001511907 Morgus Vincent T. 1255 CRESCENT GREEN DRIVE SUITE 250 CARY NC 27518 0 1 0 0 EVP, Finance and CFO Common Stock 2012-08-22 4 F 0 847 7.22 D 49644 D /s/ Vincent Morgus 2012-08-24