Insider Trading activities of Western Gas Partners Lp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Western Gas Partners Lp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Western Gas Partners Lp since year 2005. Table 2 shows the detailed insider transactions of Western Gas Partners Lp since 2005. The reporting company's ticker symbol is WES. The reporting company's CIK number is 1414475.
The total value of stock buying since 2005 is $537,283,157.
The total value of stock sales since 2005 is $96,927,274.
The total value of stock option exercises since 2005 is $1,914,092.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Western Gas Partners Lp (WES).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-05 0 $0 0 $0 7,304 $0
2016-10 0 $0 96,862 $5,363,442 0 $0
2016-09 0 $0 204,000 $10,308,387 0 $0
2016-08 0 $0 56,812 $2,853,674 0 $0
2016-07 0 $0 143,188 $7,230,347 0 $0
2016-06 0 $0 30,000 $1,406,970 0 $0
2016-05 0 $0 10,000 $501,010 5,212 $252,000
2016-03 2,089,602 $62,499,995 0 $0 0 $0
2016-01 47 $2,207 0 $0 0 $0
2015-11 0 $0 0 $0 3,192 $0
2015-07 33 $2,094 0 $0 0 $0
2015-05 0 $0 0 $0 3,786 $0
2015-02 0 $0 0 $0 2,014 $0
2015-01 400 $25,264 0 $0 0 $0
2014-12 0 $0 900,000 $61,896,000 0 $0
2014-11 0 $0 0 $0 7,590 $0
2014-06 0 $0 1,280 $92,797 0 $0
2014-05 0 $0 0 $0 3,840 $0
2014-03 308,490 $18,750,022 2,500 $161,250 0 $0
2013-12 101,219 $6,225,980 0 $0 0 $0
2013-11 0 $0 0 $0 7,591 $0
2013-05 28,594 $1,749,380 0 $0 6,324 $0
2013-03 449,129 $24,499,986 0 $0 0 $0
2012-12 8,722,966 $401,256,436 3,336 $160,102 0 $0
2012-11 0 $0 34,000 $1,665,829 4,399 $0
2012-08 151,235 $0 0 $0 0 $0
2012-05 0 $0 0 $0 7,972 $350,368
2012-04 900 $39,497 9,000 $393,012 0 $0
2012-01 632,783 $0 0 $0 0 $0
2011-09 5,159 $185,000 0 $0 0 $0
2011-08 1,470 $49,980 129,400 $4,386,660 0 $0
2011-07 2,950,284 $0 8,160 $283,429 0 $0
2011-05 282 $10,016 0 $0 13,372 $474,704
2011-03 140,979 $4,955,411 0 $0 0 $0
2011-02 280 $9,660 0 $0 0 $0
2011-01 118,700 $3,695,710 0 $0 0 $0
2010-11 93,642 $2,801,191 0 $0 0 $0
2010-10 7,000 $197,862 0 $0 0 $0
2010-08 1,050,449 $54,424 0 $0 0 $0
2010-05 55,464 $1,233,916 0 $0 18,640 $391,252
2010-02 373 $7,900 0 $0 0 $0
2010-01 620,689 $0 0 $0 0 $0
2009-12 130,440 $2,374,008 0 $0 0 $0
2009-11 307 $5,757 0 $0 0 $0
2009-08 323 $5,475 11,800 $199,030 0 $0
2009-07 351,424 $0 1,500 $25,335 0 $0
2009-05 198 $2,965 0 $0 30,304 $445,768
2009-02 191 $2,908 0 $0 0 $0
2008-12 2,556,891 $0 0 $0 0 $0
2008-11 205 $2,847 0 $0 0 $0
2008-10 40,000 $476,160 0 $0 0 $0
2008-09 2,000 $27,182 0 $0 0 $0
2008-08 59,982 $883,602 0 $0 0 $0
2008-07 136,900 $2,116,972 0 $0 0 $0
2008-05 189,900 $3,133,350 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Western Gas Partners Lp insiders (WES)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-05-05 Tudor David J (Director) Option Ex 1,826 .00 0
2017-05-05 Arnold Steven D (Director) Option Ex 1,826 .00 0
2017-05-05 Carroll Milton (Director) Option Ex 1,826 .00 0
2017-05-05 Crane James R (Director) Option Ex 1,826 .00 0
2016-10-03 Crane James R (Director) Sale 96,862 55.37 5,363,442
2016-09-23 Crane James R (Director) Sale 68,214 51.24 3,495,012
2016-09-22 Crane James R (Director) Sale 61,700 50.43 3,111,777
2016-09-21 Crane James R (Director) Sale 57,064 50.00 2,853,428
2016-09-20 Crane James R (Director) Sale 6,307 50.08 315,860
2016-09-19 Crane James R (Director) Sale 6,715 50.01 335,830
2016-09-13 Tudor David J (Director) Sale 4,000 49.12 196,480
2016-08-04 Crane James R (Director) Sale 55,306 50.23 2,778,296
2016-08-03 Crane James R (Director) Sale 100 50.00 5,000
2016-08-01 Crane James R (Director) Sale 1,406 50.06 70,378
2016-07-29 Crane James R (Director) Sale 45,817 50.70 2,323,150
2016-07-14 Crane James R (Director) Sale 510 50.00 25,500
2016-07-12 Crane James R (Director) Sale 59,946 50.39 3,020,678
2016-07-11 Crane James R (Director) Sale 24,696 50.51 1,247,296
2016-07-08 Crane James R (Director) Sale 12,219 50.23 613,723
2016-06-17 Sinclair Donald R. (CEO, President & Director) Sale 20,000 46.90 937,980
2016-05-31 Sinclair Donald R. (CEO, President & Director) Sale 10,000 50.10 501,010
2016-05-13 Tudor David J (Director) Option Ex 1,303 48.35 63,000
2016-05-13 Arnold Steven D (Director) Option Ex 1,303 48.35 63,000
2016-05-13 Carroll Milton (Director) Option Ex 1,303 48.35 63,000
2016-05-13 Crane James R (Director) Option Ex 1,303 48.35 63,000
2016-03-14 Apc Midstream Holdings, Llc (10% Owner) Buy 2,089,602 29.91 62,499,995
2016-01-15 Hollek Darrell E (Director) Buy 47 46.96 2,207
2015-11-14 Sinclair Donald R. (CEO, President & Director) Option Ex 3,192 .00 0
2015-07-09 Hollek Darrell E (Director) Buy 33 63.46 2,094
2015-05-22 Tudor David J (Director) Option Ex 1,262 .00 0
2015-05-22 Carroll Milton (Director) Option Ex 1,262 .00 0
2015-05-22 Crane James R (Director) Option Ex 1,262 .00 0
2015-02-27 Arnold Steven D (Director) Option Ex 2,014 .00 0
2015-01-14 Tudor David J (Director) Buy 400 63.16 25,264
2014-12-17 Crane James R (Director) Sale 400,000 69.28 27,712,000
2014-12-16 Crane James R (Director) Sale 200,000 67.76 13,552,000
2014-11-16 Sinclair Donald R. (CEO, President & Director) Option Ex 4,398 .00 0
2014-11-14 Sinclair Donald R. (CEO, President & Director) Option Ex 3,192 .00 0
2014-06-03 Carroll Milton (Director) Sale 1,280 72.50 92,797
2014-05-09 Tudor David J (Director) Option Ex 1,280 .00 0
2014-05-09 Carroll Milton (Director) Option Ex 1,280 .00 0
2014-05-09 Crane James R (Director) Option Ex 1,280 .00 0
2014-03-06 Tudor David J (Director) Sale 2,500 64.50 161,250
2014-03-03 Apc Midstream Holdings, Llc (10% Owner) Buy 308,490 60.78 18,750,022
2013-12-03 Chase Anthony R (Director) Buy 1,219 61.51 74,980
2013-12-03 Crane James R (Director) Buy 100,000 61.51 6,151,000
2013-11-16 Sinclair Donald R. (CEO, President & Director) Option Ex 4,398 .00 0
2013-11-14 Sinclair Donald R. (CEO, President & Director) Option Ex 3,193 .00 0
2013-05-17 Tudor David J (Director) Option Ex 1,581 .00 0
2013-05-17 Chase Anthony R (Director) Option Ex 1,581 .00 0
2013-05-17 Carroll Milton (Director) Option Ex 1,581 .00 0
2013-05-17 Crane James R (Director) Option Ex 1,581 .00 0
2013-05-14 Sinclair Donald R. (CEO, President & Director) Buy 1,634 61.18 99,968
2013-05-14 Rea Danny J (Senior Vice President and COO) Buy 1,634 61.18 99,968
2013-05-14 Fink Benjamin Matthew (SVP, CFO & Treasurer) Buy 326 61.18 19,944
2013-05-14 Crane James R (Director) Buy 25,000 61.18 1,529,500
2013-03-01 Anadarko Holding Co (10% Owner) Buy 449,129 54.55 24,499,986
2012-12-20 Carroll Milton (Director) Sale 2,000 48.07 96,136
2012-12-19 Carroll Milton (Director) Sale 1,336 47.88 63,966
2012-12-12 Western Gas Equity Holdings, Llc (10% Owner) Buy 8,722,966 46.00 401,256,436
2012-11-30 Chase Anthony R (Director) Sale 5,000 48.82 244,120
2012-11-21 Tudor David J (Director) Sale 5,000 48.94 244,695
2012-11-16 Sinclair Donald R. (CEO, President & Director) Option Ex 4,399 .00 0
2012-11-13 Tudor David J (Director) Sale 6,000 49.23 295,386
2012-11-13 Chase Anthony R (Director) Sale 15,000 48.93 733,935
2012-08-01 Wgr Holdings Llc (10% Owner) Buy 151,235 .00 0
2012-05-24 Tudor David J (Director) Option Ex 1,993 43.95 87,592
2012-05-24 Chase Anthony R (Director) Option Ex 1,993 43.95 87,592
2012-05-24 Carroll Milton (Director) Option Ex 1,993 43.95 87,592
2012-05-24 Crane James R (Director) Option Ex 1,993 43.95 87,592
2012-04-12 Walker R A (Director) Buy 900 43.89 39,497
2012-04-10 Chase Anthony R (Director) Sale 9,000 43.67 393,012
2012-01-13 Wgr Holdings Llc (10% Owner) Buy 632,783 .00 0
2011-09-23 Sinclair Donald R. (CEO, President & Director) Buy 2,789 35.86 100,013
2011-09-23 Rea Danny J (Senior Vice President and COO) Buy 2,091 35.86 74,983
2011-09-23 Fink Benjamin Matthew (Senior Vice President & CFO) Buy 279 35.86 10,004
2011-08-19 Mcmillian Amanda M. (VP, General Counsel/Corp. Sec.) Buy 1,470 34.00 49,980
2011-08-12 Crane James R (Director) Sale 129,400 33.90 4,386,660
2011-07-28 Carroll Milton (Director) Sale 8,160 34.73 283,429
2011-07-08 Wgr Holdings Llc (10% Owner) Buy 2,950,284 .00 0
2011-05-25 Tudor David J (Director) Option Ex 3,343 35.50 118,676
2011-05-25 Chase Anthony R (Director) Option Ex 3,343 35.50 118,676
2011-05-25 Carroll Milton (Director) Option Ex 3,343 35.50 118,676
2011-05-25 Crane James R (Director) Option Ex 3,343 35.50 118,676
2011-05-16 Chase Anthony R (Director) Buy 282 35.52 10,016
2011-03-04 Sinclair Donald R. (CEO, President & Director) Buy 11,380 35.15 400,007
2011-03-04 Rea Danny J (Senior Vice President and COO) Buy 2,845 35.15 100,001
2011-03-04 Crane James R (Director) Buy 126,754 35.15 4,455,403
2011-02-14 Chase Anthony R (Director) Buy 280 34.50 9,660
2011-01-24 Crane James R (Director) Buy 43,700 31.76 1,387,912
2011-01-21 Crane James R (Director) Buy 33,500 30.90 1,035,284
2011-01-20 Crane James R (Director) Buy 41,500 30.66 1,272,514
2010-11-15 Sinclair Donald R. (CEO, President & Director) Buy 33,422 29.92 999,986
2010-11-15 Rea Danny J (Senior Vice President and COO) Buy 4,177 29.92 124,975
2010-11-15 Fink Benjamin Matthew (Senior Vice President & CFO) Buy 334 29.92 9,993
2010-11-15 Chase Anthony R (Director) Buy 3,657 29.70 109,281
2010-11-15 Crane James R (Director) Buy 50,000 29.92 1,496,000
2010-11-12 Crane James R (Director) Buy 1,737 29.75 51,667
2010-10-05 Crane James R (Director) Buy 7,000 28.27 197,862
2010-08-16 Chase Anthony R (Director) Buy 354 24.47 8,662
2010-08-13 Crane James R (Director) Buy 1,899 24.10 45,762
2010-08-02 Wgr Holdings Llc (10% Owner) Buy 1,048,196 .00 0
2010-05-21 Tudor David J (Director) Option Ex 4,660 20.99 97,813
2010-05-21 Chase Anthony R (Director) Option Ex 4,660 20.99 97,813
2010-05-21 Carroll Milton (Director) Option Ex 4,660 20.99 97,813
2010-05-21 Crane James R (Director) Option Ex 4,660 20.99 97,813
2010-05-18 Fink Benjamin Matthew (Senior Vice President & CFO) Buy 440 22.25 9,790
2010-05-18 Carroll Milton (Director) Buy 3,500 22.25 77,875
2010-05-18 Crane James R (Director) Buy 50,000 22.25 1,112,500
2010-05-17 Chase Anthony R (Director) Buy 377 21.98 8,286
2010-05-14 Crane James R (Director) Buy 1,147 22.20 25,465
2010-02-16 Chase Anthony R (Director) Buy 373 21.18 7,900
2010-01-29 Wgr Holdings Llc (10% Owner) Buy 620,689 .00 0
2009-12-09 Sinclair Donald R. (President) Buy 54,945 18.20 999,999
2009-12-09 Fink Benjamin Matthew (SVP & CFO) Buy 550 18.20 10,010
2009-12-09 Crane James R (Director) Buy 74,945 18.20 1,363,999
2009-11-16 Chase Anthony R (Director) Buy 307 18.75 5,757
2009-08-28 Carroll Milton (Director) Sale 7,000 16.85 117,978
2009-08-24 Carroll Milton (Director) Sale 4,800 16.89 81,052
2009-08-16 Chase Anthony R (Director) Buy 323 16.95 5,475
2009-07-23 Tudor David J (Director) Sale 1,500 16.89 25,335
2009-07-22 Wgr Holdings Llc (10% Owner) Buy 351,424 .00 0
2009-05-18 Chase Anthony R (Director) Buy 198 14.98 2,965
2009-05-14 Tudor David J (Director) Option Ex 7,576 14.71 111,442
2009-05-14 Chase Anthony R (Director) Option Ex 7,576 14.71 111,442
2009-05-14 Carroll Milton (Director) Option Ex 7,576 14.71 111,442
2009-05-14 Crane James R (Director) Option Ex 7,576 14.71 111,442
2009-02-17 Chase Anthony R (Director) Buy 191 15.23 2,908
2008-12-19 Wgr Holdings Llc (10% Owner) Buy 2,556,891 .00 0
2008-11-17 Chase Anthony R (Director) Buy 205 13.89 2,847
2008-10-06 Crane James R (Director) Buy 40,000 11.90 476,160
2008-09-24 Chase Anthony R (Director) Buy 2,000 13.59 27,182
2008-08-26 Crane James R (Director) Buy 30,000 14.95 448,620
2008-08-20 Crane James R (Director) Buy 2,500 14.71 36,782
2008-08-19 Crane James R (Director) Buy 26,582 14.50 385,385
2008-08-18 Crane James R (Director) Buy 900 14.24 12,815
2008-07-21 Crane James R (Director) Buy 12,400 15.64 193,985
2008-07-18 Crane James R (Director) Buy 48,100 15.25 733,332
2008-07-17 Crane James R (Director) Buy 68,900 15.58 1,073,255
2008-07-15 Chase Anthony R (Director) Buy 7,500 15.52 116,400
2008-05-14 Tudor David J (Director) Buy 1,500 16.50 24,750
2008-05-14 Rea Danny J (Senior Vice President and COO) Buy 7,500 16.50 123,750
2008-05-14 Kurz Karl F (Director) Buy 24,200 16.50 399,300
2008-05-14 Gwin Robert G (President and CEO) Buy 10,000 16.50 165,000
2008-05-14 Chase Anthony R (Director) Buy 5,700 16.50 94,050
2008-05-14 Carroll Milton (Director) Buy 4,800 16.50 79,200
2008-05-14 Reeves Robert K (Director) Buy 9,000 16.50 148,500
2008-05-14 Walker R A (Chairman of the Board) Buy 6,000 16.50 99,000
2008-05-14 Crane James R (Director) Buy 121,200 16.50 1,999,800

Insider trading activities including stock purchases, stock sales, and option exercises of WES listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Western Gas Partners Lp (symbol WES, CIK number 1414475) see the Securities and Exchange Commission (SEC) website.