Wunderlin James F 4

4 · SOUTHWEST GAS CORP · Filed Nov 12, 2010

Insider Transaction Report

Form 4

Period: 2010-11-11

SOUTHWEST GAS CORPSWX

Wunderlin James F

Sr. VP/Engineering

Transactions

Exercise/Conversion
Stock Option (right to buy)
2010-11-11$35.01/sh−1,080$37,807→ 0 total
Exercise: $33.07From: 2008-08-01Exp: 2016-07-31→ Common Stock (1,080 underlying)
Exercise/Conversion
Common Stock
2010-11-11$33.07/sh+1,440$47,621→ 21,288.099 total
Exercise/Conversion
Common Stock
2010-11-11$33.07/sh+1,080$35,716→ 22,368.099 total
Exercise/Conversion
Common Stock
2010-11-11$33.07/sh+1,080$35,716→ 23,448.099 total
Sale
Common Stock
2010-11-11$35.01/sh−8,100$283,550→ 15,348.099 total
Exercise/Conversion
Stock Option (right to buy)
2010-11-11$35.01/sh−1,500$52,509→ 0 total
Exercise: $23.40From: 2007-07-27Exp: 2014-07-26→ Common Stock (1,500 underlying)
Exercise/Conversion
Stock Option (right to buy)
2010-11-11$35.01/sh−1,440$50,409→ 0 total
Exercise: $33.07From: 2007-08-01Exp: 2016-07-31→ Common Stock (1,440 underlying)
Exercise/Conversion
Stock Option (right to buy)
2010-11-11$35.01/sh−1,080$37,807→ 0 total
Exercise: $33.07From: 2009-08-01Exp: 2016-07-31→ Common Stock (1,080 underlying)
Exercise/Conversion
Common Stock
2010-11-11$26.10/sh+1,500$39,150→ 16,848.099 total
Exercise/Conversion
Common Stock
2010-11-11$26.10/sh+1,500$39,150→ 18,348.099 total
Exercise/Conversion
Common Stock
2010-11-11$23.40/sh+1,500$35,100→ 19,848.099 total
Exercise/Conversion
Stock Option (right to buy)
2010-11-11$35.01/sh−1,500$52,509→ 0 total
Exercise: $26.10From: 2007-07-26Exp: 2015-07-25→ Common Stock (1,500 underlying)
Exercise/Conversion
Stock Option (right to buy)
2010-11-11$35.01/sh−1,500$52,509→ 0 total
Exercise: $26.10From: 2008-07-26Exp: 2015-07-25→ Common Stock (1,500 underlying)

Holdings

Common Stock
(indirect: By 401(k))
1,546.241

Documents

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4
doc4.xmlPrimary