0001225208-11-013641.txt : 20110509 0001225208-11-013641.hdr.sgml : 20110509 20110509200121 ACCESSION NUMBER: 0001225208-11-013641 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110509 FILED AS OF DATE: 20110509 DATE AS OF CHANGE: 20110509 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: SOUTHWEST GAS CORP CENTRAL INDEX KEY: 0000092416 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS TRANSMISSION & DISTRIBUTION [4923] IRS NUMBER: 880085720 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 5241 SPRING MOUNTAIN RD STREET 2: PO BOX 98510 CITY: LAS VEGAS STATE: NV ZIP: 89193-8510 BUSINESS PHONE: 7028767237 MAIL ADDRESS: STREET 1: 5241 SPRING MOUNTAIN RD STREET 2: PO BOX 98510 CITY: LAS VEGAS STATE: NV ZIP: 89193-8510 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MAFFIE MICHAEL O CENTRAL INDEX KEY: 0001030281 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-07850 FILM NUMBER: 11825391 MAIL ADDRESS: STREET 1: PO BOX 98510 STREET 2: 5241 SPRING MOUNTAIN DRIVE CITY: LAS VEGAS STATE: NV ZIP: 78193-8510 4 1 doc4.xml X0303 4 2011-05-09 0000092416 SOUTHWEST GAS CORP SWX 0001030281 MAFFIE MICHAEL O 5241 SPRING MOUNTAIN ROAD LAS VEGAS NV 89150-0002 1 Common Stock 2011-05-09 4 M 0 3000.0000 29.0800 A 14639.7930 D Common Stock 2011-05-09 4 M 0 3000.0000 25.0000 A 17639.7930 D Common Stock 2011-05-09 4 S 0 6000.0000 38.9000 D 11639.7930 D Common Stock 1248.6619 I By Immediate Family Stock Option (right to buy) 29.0800 2011-05-09 4 M 0 3000.0000 38.9000 D 2007-05-04 2016-05-03 Common Stock 3000.0000 0.0000 D Stock Option (right to buy) 25.0000 2011-05-09 4 M 0 3000.0000 38.9000 D 2006-05-05 2015-05-04 Common Stock 3000.0000 0.0000 D Karen W. Stanfield, POA 2011-05-09