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Insider Trading: SOUTHWEST GAS CORP

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of SOUTHWEST GAS CORP in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of SOUTHWEST GAS CORP since year 2005. Table 2 shows the detailed insider transactions of SOUTHWEST GAS CORP since 2005. The reporting company's ticker symbol is SWX. The reporting company's CIK number is 92416.

The total value of stock buying since 2005 is $388,909. The total value of stock sales is $21,271,471. The total value of stock exercises is $12,435,856.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at SOUTHWEST GAS CORP (SWX) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $6,070k

    $607k

    $60k

    $6k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at SOUTHWEST GAS CORP (SWX) in the past 24 months. See table 2 for insider transaction details.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $38.79

    $29.09

    $19.40

    $9.70



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for SOUTHWEST GAS CORP (SWX).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-05 0 0 10,000 302,961 7,000 141,213
2008-03 340 7,799 7,660 212,565 1,660 38,080
2007-12 0 0 1,000 30,290 0 0
2007-09 0 0 3,500 101,500 0 0
2007-06 0 0 3,000 113,310 0 0
2007-05 0 0 1,100 42,669 0 0
2007-03 5,077 106,058 37,650 1,445,210 33,000 815,382
2007-01 0 0 33,250 1,288,559 33,250 778,699
2006-12 0 0 36,750 1,427,062 33,750 781,085
2006-11 2,773 60,465 164,079 6,070,815 163,079 3,854,097
2006-10 99 3,273 100 3,419 100 2,336
2006-09 0 0 6,200 207,538 6,200 161,272
2006-08 148 4,941 76,250 2,523,097 76,250 1,896,496
2006-07 0 0 10,660 336,736 10,660 259,692
2006-06 0 0 45,520 1,384,756 43,350 1,006,098
2006-05 0 0 82,797 2,384,272 59,900 1,301,411
2006-04 2,448 68,936 10,500 295,853 10,500 221,445
2006-03 0 0 56,000 1,587,250 56,000 1,178,550
2005-12 3,008 80,680 0 0 0 0
2005-11 1,253 32,991 0 0 0 0
2005-06 0 0 27,500 693,625 0 0
2005-05 400 9,884 11,293 282,485 0 0
2005-03 550 13,882 21,573 537,499 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for SOUTHWEST GAS CORP (SWX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-05-16 Kenny Kenneth J (Vice President/Treasurer) Sale 1,000 30.99 30,987
2008-05-16 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 2,000 30.99 61,974
2008-05-12 Sparks Carolyn M (Director) Sale 7,000 30.00 210,000
2008-05-12 Sparks Carolyn M (Director) Option Exercise 7,000 20.17 141,213
2008-03-28 Kane James P (President) Sale 6,000 27.75 166,500
2008-03-19 Kropid James J (Director) Purchase 340 22.94 7,799
2008-03-19 Kropid James J (Director) Sale 1,660 27.75 46,065
2008-03-19 Kropid James J (Director) Option Exercise 1,660 22.94 38,080
2007-12-21 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 1,000 30.29 30,290
2007-09-25 Maffie Michael O (Director) Sale 3,500 29.00 101,500
2007-06-05 Kane James P (President) Sale 3,000 37.77 113,310
2007-05-04 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 1,100 38.79 42,669
2007-03-28 Wright Terrance L (Director) Sale 9,000 38.74 348,660
2007-03-28 Wright Terrance L (Director) Option Exercise 9,000 23.72 213,502
2007-03-23 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 2,200 38.76 85,272
2007-03-19 Shaw Jeffrey W (CEO) Sale 20,000 38.27 765,400
2007-03-19 Shaw Jeffrey W (CEO) Option Exercise 20,000 26.10 522,000
2007-03-16 Palacios Christina A (Sr. Vice Pres./Central AZ) Sale 1,350 37.75 50,962
2007-03-15 Sparks Carolyn M (Director) Sale 4,000 38.07 152,280
2007-03-15 Sparks Carolyn M (Director) Option Exercise 4,000 19.97 79,880
2007-03-08 Palacios Christina A (Sr. Vice Pres./Central AZ) Purchase 5,077 20.89 106,058
2007-01-04 Centrella Roy R (VP/Controller/CAO) Sale 5,000 38.75 193,750
2007-01-04 Centrella Roy R (VP/Controller/CAO) Option Exercise 5,000 23.53 117,650
2007-01-04 Shaw Jeffrey W (CEO) Sale 21,900 38.74 848,406
2007-01-04 Shaw Jeffrey W (CEO) Option Exercise 21,900 23.40 512,459
2007-01-03 Kenny Kenneth J (Vice President/Treasurer) Sale 2,000 38.79 77,580
2007-01-03 Kenny Kenneth J (Vice President/Treasurer) Option Exercise 2,000 23.40 46,800
2007-01-03 Shaw Jeffrey W (CEO) Sale 4,350 38.81 168,823
2007-01-03 Shaw Jeffrey W (CEO) Option Exercise 4,350 23.40 101,790
2006-12-28 Shaw Jeffrey W (CEO) Sale 20,700 38.96 806,472
2006-12-28 Shaw Jeffrey W (CEO) Option Exercise 20,700 23.40 484,379
2006-12-27 Hester John P (Senior VP/Regulatory Affairs) Sale 1,000 39.25 39,250
2006-12-27 Shaw Jeffrey W (CEO) Sale 5,550 39.00 216,450
2006-12-27 Shaw Jeffrey W (CEO) Option Exercise 5,550 23.40 129,869
2006-12-08 Kane James P (President) Sale 2,000 38.07 76,140
2006-12-07 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 7,500 38.50 288,750
2006-12-07 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Option Exercise 7,500 22.24 166,837
2006-11-22 Kropid James J (Director) Purchase 800 19.13 15,304
2006-11-22 Kropid James J (Director) Sale 860 37.00 31,820
2006-11-22 Kropid James J (Director) Option Exercise 860 19.13 16,451
2006-11-15 Palacios Christina A (Sr. Vice Pres./Central AZ) Sale 6,769 37.42 253,295
2006-11-15 Palacios Christina A (Sr. Vice Pres./Central AZ) Option Exercise 6,769 22.08 149,436
2006-11-15 Hanneman Leroy C (Director) Purchase 1,973 22.89 45,161
2006-11-15 Shaw Jeffrey W (CEO) Sale 10,000 37.42 374,200
2006-11-15 Shaw Jeffrey W (CEO) Option Exercise 10,000 21.09 210,900
2006-11-10 Hester John P (Senior VP/Regulatory Affairs) Sale 1,700 37.19 63,222
2006-11-10 Hester John P (Senior VP/Regulatory Affairs) Option Exercise 1,700 23.36 39,712
2006-11-09 Maffie Michael O (Director) Sale 55,000 36.96 2,033,075
2006-11-09 Maffie Michael O (Director) Option Exercise 55,000 26.15 1,438,250
2006-11-08 Shaw Jeffrey W (CEO) Sale 9,050 36.63 331,501
2006-11-08 Shaw Jeffrey W (CEO) Option Exercise 9,050 21.09 190,864
2006-11-08 Janov Edward A (SR VicePres/Finance) Sale 5,350 37.02 198,057
2006-11-08 Janov Edward A (SR VicePres/Finance) Option Exercise 5,350 23.06 123,371
2006-11-08 Maffie Michael O (Director) Sale 60,000 36.97 2,218,000
2006-11-08 Maffie Michael O (Director) Option Exercise 60,000 22.50 1,350,199
2006-11-07 Centrella Roy R (VP/Controller/CAO) Sale 1,000 37.07 37,070
2006-11-07 Sheets Thomas R (Sr VP/General Counsel) Sale 12,500 36.97 462,125
2006-11-07 Sheets Thomas R (Sr VP/General Counsel) Option Exercise 12,500 23.53 294,125
2006-11-07 Shaw Jeffrey W (CEO) Sale 950 37.00 35,150
2006-11-07 Shaw Jeffrey W (CEO) Option Exercise 950 21.09 20,035
2006-11-07 Janov Edward A (SR VicePres/Finance) Sale 900 37.00 33,300
2006-11-07 Janov Edward A (SR VicePres/Finance) Option Exercise 900 23.06 20,754
2006-10-05 Hester John P (Senior VP/Regulatory Affairs) Sale 100 34.19 3,419
2006-10-05 Hester John P (Senior VP/Regulatory Affairs) Option Exercise 100 23.36 2,336
2006-10-02 Gardner Richard M (Director) Purchase 99 33.07 3,273
2006-09-14 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 6,000 33.45 200,700
2006-09-07 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 6,000 26.10 156,600
2006-09-05 Hester John P (Senior VP/Regulatory Affairs) Sale 200 34.19 6,838
2006-09-05 Hester John P (Senior VP/Regulatory Affairs) Option Exercise 200 23.36 4,672
2006-08-30 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 10,500 33.82 355,110
2006-08-30 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 10,500 23.40 245,699
2006-08-22 Shaw Jeffrey W (CEO) Sale 5,000 33.15 165,750
2006-08-22 Shaw Jeffrey W (CEO) Option Exercise 5,000 21.09 105,450
2006-08-17 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 7,500 33.40 250,500
2006-08-17 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 7,500 28.94 217,050
2006-08-16 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 4,500 33.26 149,670
2006-08-16 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 4,500 21.09 94,905
2006-08-15 Gardner Richard M (Director) Purchase 148 33.39 4,941
2006-08-15 Kane James P (President) Sale 34,000 32.82 1,115,880
2006-08-15 Kane James P (President) Option Exercise 34,000 24.88 846,005
2006-08-15 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 11,250 32.95 370,687
2006-08-15 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Option Exercise 11,250 27.52 309,600
2006-08-14 Kenny Kenneth J (Vice President/Treasurer) Sale 3,500 33.00 115,500
2006-08-14 Kenny Kenneth J (Vice President/Treasurer) Option Exercise 3,500 22.22 77,787
2006-07-11 Wright Terrance L (Director) Sale 5,660 31.57 178,686
2006-07-11 Wright Terrance L (Director) Option Exercise 5,660 20.32 114,992
2006-07-10 Shaw Jeffrey W (CEO) Sale 5,000 31.61 158,050
2006-07-10 Shaw Jeffrey W (CEO) Option Exercise 5,000 28.94 144,700
2006-06-30 Centrella Roy R (VP/Controller/CAO) Sale 5,000 31.00 155,000
2006-06-30 Centrella Roy R (VP/Controller/CAO) Option Exercise 5,000 22.08 110,383
2006-06-30 Sheets Thomas R (Sr VP/General Counsel) Sale 7,500 31.00 232,500
2006-06-30 Sheets Thomas R (Sr VP/General Counsel) Option Exercise 7,500 28.94 217,050
2006-06-30 Shaw Jeffrey W (CEO) Sale 15,000 31.00 465,000
2006-06-30 Shaw Jeffrey W (CEO) Option Exercise 15,000 23.36 350,400
2006-06-27 Janov Edward A (SR VicePres/Finance) Sale 6,250 30.00 187,500
2006-06-27 Janov Edward A (SR VicePres/Finance) Option Exercise 6,250 19.13 119,562
2006-06-08 Maffie Michael O (Director) Sale 7,100 29.25 207,675
2006-06-08 Maffie Michael O (Director) Option Exercise 7,100 21.74 154,354
2006-06-07 Maffie Michael O (Director) Sale 2,400 29.25 70,200
2006-06-07 Maffie Michael O (Director) Option Exercise 2,400 21.74 52,175
2006-06-05 Sondeno Dudley J (Sr VP/Chief Know/Tech Officer) Sale 2,170 29.46 63,928
2006-06-05 Maffie Michael O (Director) Sale 100 29.53 2,953
2006-06-05 Maffie Michael O (Director) Option Exercise 100 21.74 2,174
2006-05-31 Shaw Jeffrey W (CEO) Sale 15,000 29.00 435,000
2006-05-31 Shaw Jeffrey W (CEO) Option Exercise 15,000 21.74 326,100
2006-05-19 Hester John P (Senior VP/Regulatory Affairs) Sale 12,598 27.98 352,492
2006-05-16 Kane James P (President) Sale 4,000 28.13 112,520
2006-05-10 Maffie Michael O (Director) Sale 20,300 29.11 590,882
2006-05-10 Maffie Michael O (Director) Option Exercise 20,300 21.74 441,321
2006-05-09 Maffie Michael O (Director) Sale 5,100 29.12 148,537
2006-05-09 Maffie Michael O (Director) Option Exercise 5,100 21.74 110,873
2006-05-08 Maffie Michael O (Director) Sale 15,000 29.18 437,625
2006-05-08 Maffie Michael O (Director) Option Exercise 15,000 21.74 326,100
2006-05-05 Hester John P (Senior VP/Regulatory Affairs) Sale 2,000 29.11 58,220
2006-05-05 Hester John P (Senior VP/Regulatory Affairs) Option Exercise 2,000 21.74 43,480
2006-05-05 Kenny Kenneth J (Vice President/Treasurer) Sale 2,500 29.10 72,750
2006-05-05 Kenny Kenneth J (Vice President/Treasurer) Option Exercise 2,500 21.42 53,537
2006-04-04 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 3,200 28.10 89,920
2006-04-04 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 3,200 21.09 67,488
2006-04-03 Chestnut Thomas E (Director) Purchase 2,000 28.23 56,460
2006-04-03 Gardner Richard M (Director) Purchase 448 27.85 12,476
2006-04-03 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 7,300 28.21 205,933
2006-04-03 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 7,300 21.09 153,957
2006-03-30 Maffie Michael O (Director) Sale 20,000 28.32 566,500
2006-03-30 Maffie Michael O (Director) Option Exercise 20,000 21.09 421,800
2006-03-29 Biehl George C (Exec VP/CFO/Corporate Sec) Sale 15,000 28.34 425,100
2006-03-29 Biehl George C (Exec VP/CFO/Corporate Sec) Option Exercise 15,000 23.36 350,400
2006-03-29 Sparks Carolyn M (Director) Sale 3,000 28.40 85,200
2006-03-29 Sparks Carolyn M (Director) Option Exercise 3,000 15.00 45,000
2006-03-29 Maffie Michael O (Director) Sale 15,000 28.35 425,250
2006-03-29 Maffie Michael O (Director) Option Exercise 15,000 21.09 316,350
2006-03-29 Hartley Thomas Y (Director) Sale 3,000 28.40 85,200
2006-03-29 Hartley Thomas Y (Director) Option Exercise 3,000 15.00 45,000
2005-12-22 Wright Terrance L (Director) Purchase 2,750 26.80 73,686
2005-12-01 Gardner Richard M (Director) Purchase 258 27.11 6,994
2005-11-15 Gardner Richard M (Director) Purchase 1,253 26.33 32,991
2005-06-24 Kane James P (President) Sale 2,500 25.20 63,000
2005-06-07 Maffie Michael O (Director) Sale 25,000 25.22 630,625
2005-05-27 Sheets Thomas R (Sr VP/General Counse) Sale 6,000 25.00 150,000
2005-05-19 Sheets Thomas R (Sr VP/General Counse) Sale 293 25.00 7,325
2005-05-11 Gardner Richard M (Director) Purchase 400 24.71 9,884
2005-05-09 Palacios Christina A (SR Vice Pres./Southe) Sale 2,000 25.08 50,160
2005-03-28 Armstrong Thomas J (SR VICE PRES/GAS RES) Sale 2,800 24.01 67,228
2005-03-18 Lowman James F (Sr VP/Central AZ Div) Sale 3,200 24.63 78,816
2005-03-17 Maffie Michael O (Director) Sale 7,200 25.08 180,540
2005-03-16 Gardner Richard M (Director) Purchase 550 25.24 13,882
2005-03-16 Maffie Michael O (Director) Sale 8,373 25.19 210,915

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of SOUTHWEST GAS CORP (symbol SWX, CIK number 92416) see the Securities and Exchange Commission (SEC) website.

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