0001181431-05-048446 4 1 20050822 20050823 20050823 O BRIEN ROSANNE P 0001216513 4 34 001-16411 051044051 NORTHROP GRUMMAN CORP. 1840 CENTURY PARK EAST LOS ANGELES CA 90067-2199 NORTHROP GRUMMAN CORP /DE/ 0001133421 3812 954840775 DE 1231 1840 CENTURY PK E C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 3105536262 1840 CENTURY PARK EAST C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 NNG INC 20010129 4 1 rrd90276.xml STOCK SALE