0001209191-05-023628 4 1 20050501 20050503 20050503 WYNN RESORTS LTD 0001174922 7990 460484987 3145 LAS VEGAS BLVD S. LAS VEGAS NV 89109 7027334444 3145 LAS VEGAS BLVD S. LAS VEGAS NV 89109 ZAX STANLEY R 0001124825 4 34 000-50028 05796721 ZENITH NATIONAL INSURANCE CORP 21255 CALIFA STREET WOODLAND HILLS CA 91367 8187131000 ZENITH NATIONAL INSURANCE 21255 CALIFA STREET WOODLAND HILLS CA 91367 4 1 doc4.xml FORM 4 SUBMISSION