Insider Trading activities of Western Gas Resources Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Western Gas Resources Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Western Gas Resources Inc since year 2005. Table 2 shows the detailed insider transactions of Western Gas Resources Inc since 2005. The reporting company's ticker symbol is WGR. The reporting company's CIK number is 856716.
The total value of stock buying since 2005 is $169,694.
The total value of stock sales since 2005 is $24,078,393.
The total value of stock option exercises since 2005 is $5,929,970.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Western Gas Resources Inc (WGR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2006-07 0 $0 16,377 $984,036 16,377 $511,695
2006-06 1,800 $77,256 23,632 $1,410,442 22,666 $448,312
2006-05 0 $0 92,499 $4,826,520 87,319 $2,230,590
2006-04 0 $0 63,668 $3,258,068 63,668 $1,161,950
2006-03 2,000 $92,438 86,332 $3,899,005 86,832 $1,573,291
2006-01 0 $0 0 $0 1,500 $4,132
2005-09 0 $0 2,000 $94,940 0 $0
2005-08 0 $0 35,000 $1,605,625 0 $0
2005-07 0 $0 200,000 $7,999,757 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Western Gas Resources Inc insiders (WGR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2006-07-19 Specht Rex L (VP - Operations) Sale 2,832 60.50 171,336
2006-07-19 Specht Rex L (VP - Operations) Option Ex 2,832 31.85 90,199
2006-07-06 Specht Rex L (VP - Operations) Sale 2,832 60.00 169,920
2006-07-06 Specht Rex L (VP - Operations) Option Ex 2,832 28.35 80,287
2006-07-06 Aabak Edward A (EVP - Midstream) Sale 10,713 60.00 642,780
2006-07-06 Aabak Edward A (EVP - Midstream) Option Ex 10,713 31.85 341,209
2006-06-26 Jeffries Brian (Vice President-Marketing) Sale 10,000 59.71 597,130
2006-06-26 Jeffries Brian (Vice President-Marketing) Option Ex 10,000 18.17 181,700
2006-06-26 Blalock Vance S (Vice President and Treasurer) Sale 10,000 59.67 596,700
2006-06-26 Blalock Vance S (Vice President and Treasurer) Option Ex 10,000 18.17 181,700
2006-06-23 Gagnon Paul G (VP WGR Canada Company) Sale 3,632 59.64 216,612
2006-06-23 Gagnon Paul G (VP WGR Canada Company) Option Ex 2,666 31.85 84,912
2006-06-08 Phillips Dean Buy 1,800 42.92 77,256
2006-05-23 Jeffries Brian (Vice President-Marketing) Sale 8,100 47.95 388,403
2006-05-23 Jeffries Brian (Vice President-Marketing) Option Ex 8,100 31.85 257,985
2006-05-19 Blalock Vance S (Vice President and Treasurer) Sale 16,000 48.60 777,600
2006-05-19 Blalock Vance S (Vice President and Treasurer) Option Ex 16,000 31.85 509,600
2006-05-17 Jones Jeffery E (Vice President-Production) Sale 10,000 50.01 500,070
2006-05-17 Jones Jeffery E (Vice President-Production) Option Ex 10,000 16.48 164,750
2006-05-16 Specht Rex L (VP - Operations) Option Ex 20 16.48 329
2006-05-12 Robinson Richard B Sale 400 57.84 23,136
2006-05-12 Jones Jeffery E (Vice President-Production) Sale 10,000 53.76 537,560
2006-05-12 Jones Jeffery E (Vice President-Production) Option Ex 10,000 16.48 164,750
2006-05-11 Petry Mark R (VP - Land) Sale 4,800 55.61 266,918
2006-05-11 Jeffries Brian (Vice President-Marketing) Sale 7,333 56.25 412,503
2006-05-11 Jeffries Brian (Vice President-Marketing) Option Ex 7,333 28.35 207,890
2006-05-05 Specht Rex L (VP - Operations) Sale 2,200 54.50 119,900
2006-05-05 Specht Rex L (VP - Operations) Option Ex 2,200 16.46 36,205
2006-05-05 Keanini David D (VP-Engineering, Environmental) Sale 10,000 55.00 550,000
2006-05-05 Keanini David D (VP-Engineering, Environmental) Option Ex 10,000 19.02 190,150
2006-05-05 Aabak Edward A (EVP - Midstream) Sale 15,666 55.00 861,630
2006-05-05 Aabak Edward A (EVP - Midstream) Option Ex 15,666 28.35 444,131
2006-04-19 Aabak Edward A (EVP - Midstream) Sale 14,001 52.50 735,052
2006-04-19 Aabak Edward A (EVP - Midstream) Option Ex 14,001 16.48 230,666
2006-04-18 Keanini David D (VP-Engineering, Environmental) Sale 10,000 51.50 515,000
2006-04-18 Keanini David D (VP-Engineering, Environmental) Option Ex 10,000 18.17 181,700
2006-04-18 Jones J Burton (VP-Business Development) Sale 11,333 52.00 589,316
2006-04-18 Jones J Burton (VP-Business Development) Option Ex 11,333 23.68 268,388
2006-04-18 Chandler John F (EVP - Chief Operating Officer) Sale 6,000 52.00 312,000
2006-04-18 Chandler John F (EVP - Chief Operating Officer) Option Ex 6,000 16.48 98,850
2006-04-17 Jones J Burton (VP-Business Development) Sale 11,334 50.00 566,700
2006-04-17 Jones J Burton (VP-Business Development) Option Ex 11,334 17.74 201,121
2006-04-17 Chandler John F (EVP - Chief Operating Officer) Sale 6,000 50.00 300,000
2006-04-17 Chandler John F (EVP - Chief Operating Officer) Option Ex 6,000 16.48 98,850
2006-04-05 Chandler John F (EVP - Chief Operating Officer) Sale 5,000 48.00 240,000
2006-04-05 Chandler John F (EVP - Chief Operating Officer) Option Ex 5,000 16.48 82,375
2006-03-30 Gagnon Paul G (VP WGR Canada Company) Sale 1,666 49.40 82,300
2006-03-30 Gagnon Paul G (VP WGR Canada Company) Option Ex 1,666 35.21 58,659
2006-03-28 Blalock Vance S (Vice President and Treasurer) Sale 7,333 48.52 355,797
2006-03-28 Blalock Vance S (Vice President and Treasurer) Option Ex 7,333 28.35 207,890
2006-03-23 Hamilton Thomas M Buy 2,000 46.22 92,438
2006-03-22 Keanini David D (VP-Engineering, Environmental) Sale 17,000 44.94 763,912
2006-03-22 Keanini David D (VP-Engineering, Environmental) Option Ex 17,000 16.48 280,075
2006-03-20 Gagnon Paul G (VP WGR Canada Company) Sale 13,333 46.31 617,451
2006-03-20 Gagnon Paul G (VP WGR Canada Company) Option Ex 13,333 34.28 457,055
2006-03-20 Robinson Richard B Sale 2,000 45.34 90,680
2006-03-08 Reid Joseph E Option Ex 2,500 2.76 6,887
2006-03-08 Dea Peter A (CEO & President) Sale 45,000 44.20 1,988,865
2006-03-08 Dea Peter A (CEO & President) Option Ex 45,000 12.50 562,725
2006-01-03 Reid Joseph E Option Ex 1,500 2.76 4,132
2005-09-01 Robinson Richard B Sale 2,000 47.47 94,940
2005-08-31 Phillips Dean Sale 10,000 48.00 480,000
2005-08-30 Keanini David D (VP-Engineering, Envi) Sale 5,000 46.12 230,625
2005-08-26 Phillips Dean Sale 20,000 44.75 895,000
2005-07-29 Sauvage Ward Sale 59,500 40.02 2,381,190
2005-07-27 Sauvage Ward Sale 40,500 39.98 1,619,068
2005-07-25 Sauvage Ward Sale 100,000 40.00 3,999,499

Insider trading activities including stock purchases, stock sales, and option exercises of WGR listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Western Gas Resources Inc (symbol WGR, CIK number 856716) see the Securities and Exchange Commission (SEC) website.