0001181431-05-032152 4 1 20050531 20050601 20050601 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 IORIZZO ROBERT P 0001216509 4 34 001-16411 05871266 NORTHROP GRUMMAN CORP. 1840 CENTURY PARK EAST LOS ANGELES CA 90067-2199 4 1 rrd80995.xml STOCK SALE