Insider Trading activities of Nrg Energy, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Nrg Energy, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Nrg Energy, Inc. since year 2005. Table 2 shows the detailed insider transactions of Nrg Energy, Inc. since 2005. The reporting company's ticker symbol is NRG. The reporting company's CIK number is 1013871.
The total value of stock buying since 2005 is $25,364,683.
The total value of stock sales since 2005 is $1,096,345,736.
The total value of stock option exercises since 2005 is $27,019,045.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Nrg Energy, Inc. (NRG).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 2,541 $72,103 0 $0 0 $0
2017-03 1,232,537 $21,529,797 0 $0 0 $0
2016-08 432 $5,481 0 $0 0 $0
2016-06 0 $0 3,182 $54,860 0 $0
2016-05 345 $5,461 1,968 $30,529 0 $0
2016-02 2,581 $26,173 0 $0 0 $0
2015-12 35,008 $316,836 0 $0 0 $0
2015-11 9,569 $123,858 0 $0 0 $0
2015-08 9,224 $183,023 0 $0 0 $0
2015-05 988 $25,566 0 $0 0 $0
2015-03 5,000 $116,950 0 $0 0 $0
2015-02 992 $25,404 0 $0 0 $0
2015-01 0 $0 0 $0 386,507 $574,971
2014-11 411 $13,114 88,700 $2,770,988 88,700 $1,991,048
2014-10 0 $0 69,639 $1,994,450 32,000 $756,480
2014-09 5,000 $152,450 34,332 $1,038,886 76,438 $1,201,167
2014-08 209 $6,089 84,000 $2,471,189 0 $0
2014-07 0 $0 168,786 $6,193,887 161,868 $3,791,593
2014-06 0 $0 1,382 $50,360 0 $0
2014-05 374 $12,589 0 $0 0 $0
2014-03 0 $0 96,500 $2,770,515 0 $0
2014-02 372 $10,727 0 $0 0 $0
2014-01 0 $0 0 $0 196,299 $0
2013-12 0 $0 554,515 $15,581,871 765,502 $9,197,506
2013-11 284 $7,668 100,000 $2,703,000 0 $0
2013-09 0 $0 0 $0 23,990 $0
2013-08 200 $5,237 400,000 $10,403,000 300,000 $3,604,500
2013-06 0 $0 1,606 $42,559 0 $0
2013-05 186 $5,161 0 $0 0 $0
2013-03 0 $0 5,000 $121,290 0 $0
2013-02 161 $3,871 0 $0 0 $0
2012-11 170 $3,343 0 $0 0 $0
2012-09 0 $0 0 $0 19,240 $0
2012-08 68 $1,414 0 $0 0 $0
2012-06 0 $0 2,479 $40,035 0 $0
2012-05 5,000 $75,050 0 $0 0 $0
2012-02 0 $0 0 $0 16,920 $0
2011-12 0 $0 2,000 $39,240 0 $0
2011-09 0 $0 2,600 $60,346 0 $0
2011-05 0 $0 8,851 $219,559 8,000 $155,200
2010-12 0 $0 3,000 $56,070 0 $0
2010-08 0 $0 1,500 $31,800 0 $0
2010-05 0 $0 4,000 $93,284 0 $0
2009-11 8,500 $199,740 0 $0 0 $0
2009-09 0 $0 5,800 $161,878 0 $0
2008-09 42,000 $1,350,521 200 $10,104 0 $0
2008-08 0 $0 0 $0 20,000 $0
2008-04 0 $0 315,750 $14,151,026 315,750 $3,841,081
2008-03 0 $0 8,750 $367,779 8,750 $209,781
2008-02 0 $0 8,750 $334,320 8,750 $209,781
2008-01 0 $0 7,500 $301,725 7,500 $147,787
2007-12 0 $0 30,956 $1,334,293 0 $0
2007-11 0 $0 90,900 $4,098,100 54,000 $1,074,600
2007-09 0 $0 15,000 $585,165 15,000 $263,550
2007-05 0 $0 600 $50,173 0 $0
2007-01 0 $0 745 $41,801 0 $0
2006-11 4,300 $231,820 18,776 $927,696 0 $0
2006-10 0 $0 10,000 $452,610 0 $0
2006-09 0 $0 20,000 $1,012,225 0 $0
2006-08 0 $0 21,188,208 $1,025,721,918 0 $0
2006-06 10,100 $467,857 0 $0 0 $0
2006-03 2,000 $86,840 0 $0 0 $0
2005-11 7,500 $300,540 0 $0 0 $0
2005-08 0 $0 700 $27,205 0 $0
2005-03 38,287 $0 0 $0 0 $0
2004-08 0 $0 0 $0 24,000 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Nrg Energy, Inc. insiders (NRG)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-06 Smitherman Barry T Buy 2,541 28.38 72,103
2017-03-16 Smitherman Barry T Buy 20,787 17.75 368,886
2017-03-16 Wilder John C Jr Buy 457,300 17.72 8,103,355
2017-03-15 Wilder John C Jr Buy 600,000 17.39 10,431,000
2017-03-14 Wilder John C Jr Buy 142,700 17.02 2,429,039
2017-03-02 Smitherman Barry T Buy 11,750 16.81 197,517
2016-08-16 Andrews Kirkland B (EVP & CFO) Buy 266 12.69 3,375
2016-08-16 Gutierrez Mauricio (President & Chief Exec Officer) Buy 166 12.69 2,106
2016-06-03 Weidemeyer Thomas H Sale 3,182 17.24 54,860
2016-05-20 Callen David (SVP, Chief Accounting Offficer) Sale 1,968 15.51 30,529
2016-05-17 Andrews Kirkland B (EVP & CFO) Buy 213 15.83 3,372
2016-05-17 Gutierrez Mauricio (President & Chief Exec Officer) Buy 132 15.83 2,089
2016-02-17 Andrews Kirkland B (EVP & CFO) Buy 1,588 10.14 16,103
2016-02-17 Gutierrez Mauricio (President & Chief Exec Officer) Buy 993 10.14 10,070
2015-12-10 Dallas Terry G Buy 2,000 10.64 21,280
2015-12-08 Young Walter R Jr Buy 3,008 9.60 28,876
2015-12-07 Hill David Russell (Exec Vice Pres, Gen Counsel) Buy 10,000 8.88 88,750
2015-12-07 Andrews Kirkland B (EVP & CFO) Buy 10,000 8.94 89,400
2015-12-07 Gutierrez Mauricio (President & Chief Exec Officer) Buy 10,000 8.85 88,530
2015-11-17 Andrews Kirkland B (EVP & CFO) Buy 1,273 12.51 15,918
2015-11-17 Gutierrez Mauricio (President & Chief Exec Officer) Buy 796 12.51 9,953
2015-11-06 Crane David W (President & CEO) Buy 7,500 13.06 97,987
2015-08-18 Andrews Kirkland B (EVP & CFO) Buy 753 20.99 15,803
2015-08-18 Gutierrez Mauricio (President & Chief Exec Officer) Buy 471 20.99 9,885
2015-08-06 Dehne Tanuja (EVP and Chief Admin Officer) Buy 1,000 19.88 19,880
2015-08-06 Hill David Russell (Exec Vice Pres, Gen Counsel) Buy 2,000 19.41 38,810
2015-08-06 Crane David W (President & CEO) Buy 5,000 19.73 98,645
2015-05-18 Andrews Kirkland B (EVP & CFO) Buy 608 25.88 15,733
2015-05-18 Gutierrez Mauricio (President & Chief Exec Officer) Buy 380 25.88 9,833
2015-03-02 Crane David W (President & CEO) Buy 5,000 23.39 116,950
2015-02-18 Andrews Kirkland B (EVP & CFO) Buy 611 25.61 15,647
2015-02-18 Gutierrez Mauricio (President & Chief Exec Officer) Buy 381 25.61 9,757
2015-01-03 Dehne Tanuja (SVP and Chief Admin Officer) Option Ex 17,709 .00 0
2015-01-03 Andrews Kirkland B (EVP & CFO) Option Ex 56,514 .00 0
2015-01-03 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Option Ex 53,127 .00 0
2015-01-03 Stark Ronald B (VP, Chief Accounting Officer) Option Ex 6,622 .00 0
2015-01-03 Crane David W (President & CEO) Option Ex 228,213 .00 0
2015-01-02 Dehne Tanuja (SVP and Chief Admin Officer) Option Ex 762 23.64 18,013
2015-01-02 Stark Ronald B (VP, Chief Accounting Officer) Option Ex 461 23.64 10,898
2015-01-02 Crane David W (President & CEO) Option Ex 23,099 23.64 546,060
2014-11-21 Wilson Denise (Exec VP & Pres, New Business) Sale 88,700 31.24 2,770,988
2014-11-21 Wilson Denise (Exec VP & Pres, New Business) Option Ex 88,700 22.45 1,991,048
2014-11-18 Andrews Kirkland B (EVP & CFO) Buy 289 31.91 9,221
2014-11-18 Gutierrez Mauricio (President & Chief Exec Officer) Buy 122 31.91 3,893
2014-10-31 Ragan John W (EVP& Pres, Gulf Coast Region) Sale 37,639 30.00 1,129,170
2014-10-15 Ragan John W (EVP& Regional Pres Gulf Coast) Sale 32,000 27.04 865,280
2014-10-15 Ragan John W (EVP& Regional Pres Gulf Coast) Option Ex 32,000 23.64 756,480
2014-09-16 Wilson Denise (Exec VP & Pres, New Business) Sale 34,332 30.26 1,038,886
2014-09-16 Wilson Denise (Exec VP & Pres, New Business) Option Ex 48,532 24.75 1,201,167
2014-09-06 Andrews Kirkland B (EVP & CFO) Option Ex 27,906 .00 0
2014-09-04 Crane David W (President & CEO) Buy 5,000 30.49 152,450
2014-08-15 Andrews Kirkland B (EVP & CFO) Buy 209 29.14 6,089
2014-08-13 Muller Edward R Sale 12,677 29.25 370,802
2014-08-12 Muller Edward R Sale 22,523 29.23 658,347
2014-08-11 Muller Edward R Sale 48,800 29.55 1,442,040
2014-07-01 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Sale 100,118 36.72 3,675,832
2014-07-01 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Option Ex 93,200 22.45 2,092,060
2014-07-01 Wilson Denise (Exec VP & Pres, New Business) Sale 68,668 36.67 2,518,055
2014-07-01 Wilson Denise (Exec VP & Pres, New Business) Option Ex 68,668 24.75 1,699,533
2014-06-06 Weidemeyer Thomas H Sale 1,382 36.44 50,360
2014-05-15 Andrews Kirkland B (EVP & CFO) Buy 180 33.59 6,045
2014-05-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 194 33.73 6,544
2014-03-04 Muller Edward R Sale 96,500 28.71 2,770,515
2014-02-18 Andrews Kirkland B (EVP & CFO) Buy 179 28.88 5,169
2014-02-18 Gutierrez Mauricio (President & Chief Exec Officer) Buy 153 28.88 4,418
2014-02-14 Gutierrez Mauricio (President & Chief Exec Officer) Buy 40 28.51 1,140
2014-01-03 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Option Ex 25,092 .00 0
2014-01-03 Wilson Denise (Exec VP & Pres, New Business) Option Ex 22,032 .00 0
2014-01-03 Stark Ronald B (VP, Chief Accounting Officer) Option Ex 2,295 .00 0
2014-01-03 Crane David W (President & CEO) Option Ex 121,176 .00 0
2014-01-03 Ragan John W (EVP& Regional Pres Gulf Coast) Option Ex 25,704 .00 0
2013-12-05 Crane David W (President & CEO) Sale 554,515 28.10 15,581,871
2013-12-05 Crane David W (President & CEO) Option Ex 765,502 12.02 9,197,506
2013-11-15 Andrews Kirkland B (EVP & CFO) Buy 189 26.98 5,099
2013-11-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 95 27.05 2,569
2013-11-15 Muller Edward R Sale 100,000 27.03 2,703,000
2013-09-06 Andrews Kirkland B (EVP & CFO) Option Ex 23,990 .00 0
2013-08-15 Andrews Kirkland B (EVP & CFO) Buy 102 26.27 2,680
2013-08-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 98 26.09 2,557
2013-08-14 Crane David W (President & CEO) Sale 300,000 26.25 7,875,000
2013-08-14 Crane David W (President & CEO) Option Ex 300,000 12.02 3,604,500
2013-08-13 Muller Edward R Sale 100,000 25.28 2,528,000
2013-06-12 Weidemeyer Thomas H Sale 1,606 26.50 42,559
2013-05-15 Andrews Kirkland B (EVP & CFO) Buy 94 27.82 2,614
2013-05-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 92 27.68 2,547
2013-03-05 Muller Edward R Sale 5,000 24.26 121,290
2013-02-15 Andrews Kirkland B (EVP & CFO) Buy 82 24.02 1,970
2013-02-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 79 24.07 1,901
2012-11-15 Andrews Kirkland B (EVP & CFO) Buy 98 19.70 1,930
2012-11-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 72 19.62 1,413
2012-09-06 Andrews Kirkland B (EVP & CFO) Option Ex 19,240 .00 0
2012-08-31 Gutierrez Mauricio (President & Chief Exec Officer) Buy 39 20.72 808
2012-08-15 Gutierrez Mauricio (President & Chief Exec Officer) Buy 29 20.92 606
2012-06-11 Weidemeyer Thomas H Sale 2,479 16.15 40,035
2012-05-08 Crane David W (President & CEO) Buy 5,000 15.01 75,050
2012-02-10 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Option Ex 16,920 .00 0
2011-12-05 Tate Herbert H Sale 2,000 19.62 39,240
2011-09-02 Tate Herbert H Sale 2,600 23.21 60,346
2011-05-24 Tate Herbert H Sale 1,000 24.69 24,692
2011-05-20 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Sale 851 25.09 21,351
2011-05-20 Gutierrez Mauricio (Exec VP & Chief Operating Ofc) Option Ex 1,000 19.40 19,400
2011-05-16 Ingoldsby James J (SVP & Chief Accounting Officer) Sale 7,000 24.79 173,516
2011-05-16 Ingoldsby James J (SVP & Chief Accounting Officer) Option Ex 7,000 19.40 135,800
2010-12-20 Ragan John W (Exec VP, Regional Pres Texas) Sale 3,000 18.69 56,070
2010-08-19 Tate Herbert H (Director) Sale 1,500 21.20 31,800
2010-05-12 Tate Herbert H (Director) Sale 4,000 23.32 93,284
2009-11-05 Wilson Denise (EVP, Chief Admin Officer) Buy 500 23.93 11,965
2009-11-05 Ragan John W (Exec VP & Regional Pres, NE) Buy 3,000 23.98 71,940
2009-11-02 Crane David W (President and CEO) Buy 5,000 23.17 115,835
2009-09-15 Tate Herbert H (Director) Sale 5,800 27.91 161,878
2008-09-09 Baliff Jonathan (Executive VP, Strategy) Buy 5,500 31.65 174,091
2008-09-09 Liebelson Michael S (EVP-Chf Dev Ofc Lo-Carbon Tech) Buy 30,000 32.30 968,850
2008-09-09 Gutierrez Mauricio (Sr VP, Commercial Operations) Buy 3,000 31.40 94,200
2008-09-09 Freeland Clint (Sr. VP & CFO) Buy 2,000 32.25 64,506
2008-09-09 Murphy J Andrew (Exec VP & General Counsel) Buy 1,000 32.20 32,200
2008-09-05 Hoffmann M Stephen (Sr VP & Pres, Western Region) Buy 500 33.35 16,674
2008-09-01 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 200 50.52 10,104
2008-08-01 Ingoldsby James J (VP & Chief Accounting Officer) Option Ex 8,000 .00 0
2008-08-01 Brewster John P (EVP, Dev Eng, Proc and Constr) Option Ex 12,000 .00 0
2008-04-22 Crane David W (President and CEO) Sale 200,000 45.00 9,000,000
2008-04-22 Crane David W (President and CEO) Option Ex 200,000 12.02 2,403,000
2008-04-22 Flexon Robert C (Executive VP and COO) Sale 100,000 45.00 4,500,000
2008-04-22 Flexon Robert C (Executive VP and COO) Option Ex 100,000 10.93 1,092,500
2008-04-18 Ingoldsby James J (VP & Chief Accounting Officer) Sale 7,000 44.00 308,000
2008-04-18 Ingoldsby James J (VP & Chief Accounting Officer) Option Ex 7,000 19.40 135,800
2008-04-08 Winn Steve (EVP, Strategy & Nuclear Dev) Sale 8,750 39.20 343,026
2008-04-08 Winn Steve (EVP, Strategy & Nuclear Dev) Option Ex 8,750 23.98 209,781
2008-03-10 Winn Steve (EVP, Strategy & Nuclear Dev) Sale 8,750 42.03 367,779
2008-03-10 Winn Steve (EVP, Strategy & Nuclear Dev) Option Ex 8,750 23.98 209,781
2008-02-08 Winn Steve (EVP, Strategy, Env and New Bus) Sale 8,750 38.21 334,320
2008-02-08 Winn Steve (EVP, Strategy, Env and New Bus) Option Ex 8,750 23.98 209,781
2008-01-08 Winn Steve (EVP, Strategy, Env and New Bus) Sale 7,500 40.23 301,725
2008-01-08 Winn Steve (EVP, Strategy, Env and New Bus) Option Ex 7,500 19.70 147,787
2007-12-11 Winn Steve (EVP, Strategy, Env and New Bus) Sale 6,500 43.49 282,685
2007-12-07 Howell Kevin (EVP, Commercial Operations) Sale 19,456 43.00 836,608
2007-12-06 Howell Kevin (EVP, Commercial Operations) Sale 5,000 43.00 215,000
2007-11-07 Brewster John P (EVP, Dev Eng, Proc and Constr) Sale 54,000 45.15 2,435,903
2007-11-07 Brewster John P (EVP, Dev Eng, Proc and Constr) Option Ex 54,000 19.90 1,074,600
2007-09-10 Winn Steve (EVP, Strategy, Env and New Bus) Sale 15,000 39.01 585,165
2007-09-10 Winn Steve (EVP, Strategy, Env and New Bus) Option Ex 15,000 17.57 263,550
2007-05-25 Burke Carolyn Jeanne (VP, Controller) Sale 600 83.62 50,173
2007-01-18 Tate Herbert H (Director) Sale 745 56.11 41,801
2006-11-16 Flexon Robert C (Executive VP and CFO) Buy 1,300 54.40 70,720
2006-11-07 Crane David W (President and CEO) Buy 3,000 53.70 161,100
2006-11-03 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 8,776 51.00 447,576
2006-11-01 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 10,000 48.01 480,120
2006-10-02 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 10,000 45.26 452,610
2006-09-01 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 19,800 50.71 1,002,061
2006-08-23 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 10,000 50.00 500,000
2006-08-15 H&f Tgn Aiv, L.p. (Other) Sale 4,216,871 48.41 204,138,725
2006-08-15 Tpg Advisors Iv, Inc. (Other) Sale 2,534,222 48.41 122,681,687
2006-08-15 Greene James H Jr (Other) Sale 4,315,727 48.41 208,924,344
2006-08-15 Raether Paul E (Other) Sale 4,315,727 48.41 208,924,344
2006-08-15 Tpg Advisors Iii Inc (Other) Sale 1,572,781 48.41 76,138,328
2006-08-15 Schwarzman Stephen A (Other) Sale 4,212,880 48.41 203,945,520
2006-08-08 Hill Thad (EVP, Bus. Dev. & Strategic Pln) Sale 10,000 46.90 468,970
2006-06-13 Howell Kevin (EVP, Commercial Operations) Buy 1,500 45.75 68,625
2006-06-13 Jacobs Christine A (Vice Pres, Plant Operations) Buy 1,500 45.43 68,148
2006-06-12 Crane David W (President and CEO) Buy 4,000 46.70 186,800
2006-06-12 Morgan Curtis A (EVP & Regional Pres. Northeast) Buy 1,500 46.31 69,460
2006-06-12 Flexon Robert C (Executive VP and CFO) Buy 1,600 46.77 74,824
2006-03-09 Cosgrove Howard E (Director) Buy 2,000 43.42 86,840
2005-11-18 Cosgrove Howard E (Director) Buy 3,000 42.26 126,780
2005-11-14 Crane David W (President and CEO) Buy 3,000 38.60 115,800
2005-11-11 Flexon Robert C (Executive VP and CFO) Buy 1,500 38.64 57,960
2005-08-24 Tate Herbert H (Director) Sale 700 38.87 27,205
2005-03-14 Jacobs Christine A (Vice Pres, Plant Ope) Buy 858 .00 0
2005-03-14 Ingoldsby James J (Vice President and C) Buy 1,995 .00 0
2005-03-14 Obrien Timothy W J (Sec) Buy 2,968 .00 0
2005-03-14 Brewster John P (Exec VP, Corporate O) Buy 3,150 .00 0
2005-03-14 Schaefer George P (VP and Treasurer) Buy 1,890 .00 0
2005-03-14 Redd Ershel C Jr (SVP, Commercial Oper) Buy 2,675 .00 0
2005-03-14 Crane David W (President and CEO) Buy 19,071 .00 0
2005-03-14 Flexon Robert C (Executive VP and CFO) Buy 5,680 .00 0
2004-08-01 Flexon Robert C (Executive VP and COO) Option Ex 24,000 .00 0

Insider trading activities including stock purchases, stock sales, and option exercises of NRG listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Nrg Energy, Inc. (symbol NRG, CIK number 1013871) see the Securities and Exchange Commission (SEC) website.