X0202 4 2007-06-13 0 0000877357 SEPRACOR INC /DE/ SEPR 0001250661 CORRIGAN MARK 84 WATERFORD DRIVE MARLBOROUGH MA 01752 0 1 0 0 Executive, VP R&D Sepracor Common Stock 2007-06-13 4 S 0 2500 47.27 D 41910 D Sepracor Common Stock 2007-06-13 4 S 0 1000 47.28 D 40910 D Sepracor Common Stock 2007-06-13 4 S 0 600 47.29 D 40310 D Sepracor Common Stock 2007-06-13 4 S 0 320 47.30 D 39990 D Sepracor Common Stock 2007-06-13 4 S 0 400 47.31 D 39590 D Sepracor Common Stock 2007-06-13 4 S 0 280 47.32 D 39310 D Sepracor Common Stock 2007-06-13 4 S 0 800 47.33 D 38510 D Sepracor Common Stock 2007-06-13 4 S 0 500 47.34 D 38010 D Sepracor Common Stock 2007-06-13 4 S 0 300 47.35 D 37710 D Sepracor Common Stock 2007-06-13 4 S 0 30 47.36 D 37680 D Sepracor Common Stock 2007-06-13 4 S 0 600 47.37 D 37080 D Sepracor Common Stock 2007-06-13 4 S 0 200 47.38 D 36880 D Sepracor Common Stock 2007-06-13 4 S 0 900 47.39 D 35980 D Sepracor Common Stock 2007-06-13 4 S 0 3000 47.40 D 32980 D Sepracor Common Stock 2007-06-13 4 S 0 200 47.41 D 32780 D Sepracor Common Stock 2007-06-13 4 S 0 380 47.42 D 32400 D This Form 4 reports an aggregate of 12,010 shares sold by the reporting person pursuant to a Rule 10b5-1 trading plan. ** This is the third of three Form 4's filed for Mark Corrigan on 6/15/07. /s/ Melissa A. Schmidt, by power of attorney for Mark Corrigan 2007-06-15