X0202 4 2004-08-13 0 0000026537 SENSYTECH INC STST 0001250606 IRVIN JOHN 1620 BLACKBURN HEIGHTS DRIVE SEWICKLEY PA 15143 1 0 0 0 common stock 2004-08-13 4 P 0 5000 22.58 A 34121 D 08/16/2004 John irvin 08/16/2004 2004-08-16