Insider Trading activities of Discovery Communications, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Discovery Communications, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Discovery Communications, Inc. since year 2005. Table 2 shows the detailed insider transactions of Discovery Communications, Inc. since 2005. The reporting company's ticker symbol is DISCA. The reporting company's CIK number is 1437107.
The total value of stock buying since 2005 is $25,872,218.
The total value of stock sales since 2005 is $554,322,185.
The total value of stock option exercises since 2005 is $703,217,144.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Discovery Communications, Inc. (DISCA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-08 55,000 $1,243,195 0 $0 0 $0
2017-06 0 $0 14,029 $368,911 2,462 $50,261
2017-05 0 $0 8,832 $230,903 124,734 $1,504,994
2017-04 0 $0 0 $0 6,050 $113,709
2017-03 0 $0 0 $0 12,100 $227,418
2017-02 0 $0 0 $0 2,179,752 $0
2017-01 0 $0 0 $0 578,540 $14,911,868
2016-05 0 $0 183,637 $5,149,181 90,504 $718,836
2016-04 0 $0 15,870 $444,360 55,852 $470,658
2016-03 0 $0 110,493 $3,093,804 0 $0
2016-01 0 $0 0 $0 859,178 $17,742,025
2015-12 0 $0 62,820 $1,857,394 49,000 $340,550
2015-11 0 $0 161,351 $4,526,548 9,800 $68,110
2015-10 0 $0 25,500 $714,000 0 $0
2015-08 0 $0 62,000 $1,869,920 19,600 $136,220
2015-07 0 $0 62,000 $1,931,300 0 $0
2015-06 0 $0 64,644 $2,043,116 2,644 $15,959
2015-05 0 $0 62,000 $1,887,900 2,644 $15,959
2015-04 0 $0 62,000 $1,838,920 0 $0
2015-03 0 $0 62,000 $1,907,120 0 $0
2015-02 0 $0 62,000 $1,740,340 1,507,844 $0
2015-01 0 $0 62,000 $2,078,983 2,947,078 $72,506,960
2014-11 758 $25,226 0 $0 0 $0
2014-09 0 $0 200,000 $7,877,500 0 $0
2014-08 0 $0 18,561 $1,263,363 18,561 $548,600
2014-05 0 $0 92,476 $7,084,739 94,931 $951,240
2014-03 0 $0 88,213 $7,452,785 93,088 $1,746,053
2014-02 0 $0 50,000 $4,148,500 573,764 $726,500
2014-01 0 $0 0 $0 1,938,907 $86,917,322
2013-12 0 $0 75,903 $6,745,894 75,903 $1,102,869
2013-11 0 $0 7,997 $710,533 7,997 $116,196
2013-10 0 $0 216,100 $18,816,114 216,100 $3,139,930
2013-09 0 $0 657 $48,864 1,322 $15,466
2013-08 0 $0 45,210 $3,424,205 0 $0
2013-07 0 $0 541,421 $44,181,732 541,421 $8,655,633
2013-06 680 $49,925 530,000 $40,297,783 530,000 $8,236,697
2013-05 0 $0 8,282 $662,891 8,282 $321,010
2013-03 1,250 $97,462 325,277 $25,557,444 142,859 $5,329,646
2013-01 0 $0 0 $0 1,848,961 $59,397,872
2012-12 0 $0 0 $0 661 $7,784
2012-11 0 $0 141,650 $7,636,776 141,650 $1,505,962
2012-04 0 $0 0 $0 73,898 $1,448,908
2012-03 0 $0 1,229,437 $58,176,457 1,228,747 $19,491,082
2012-02 0 $0 264,360 $12,047,644 264,360 $3,841,150
2012-01 0 $0 59,800 $2,676,856 1,778,153 $48,171,714
2011-12 0 $0 275,000 $11,464,751 275,000 $4,234,999
2011-11 0 $0 700,000 $29,615,000 200,000 $3,225,000
2011-10 0 $0 400,000 $17,247,797 956,840 $20,261,996
2011-08 0 $0 110,000 $4,242,500 110,000 $1,687,400
2011-06 0 $0 100,000 $4,340,000 100,000 $1,453,000
2011-05 0 $0 788,041 $33,026,189 421,599 $6,812,652
2011-04 0 $0 1,825,633 $75,768,588 208,395 $3,722,148
2011-03 0 $0 545,319 $22,750,424 328,191 $5,862,850
2011-01 0 $0 0 $0 2,326,841 $48,719,396
2010-12 0 $0 0 $0 1,104,514 $16,039,646
2010-10 0 $0 0 $0 556,839 $14,449,971
2010-09 0 $0 77,213 $3,022,888 77,213 $1,184,447
2010-08 0 $0 342,764 $13,036,582 342,764 $5,472,199
2010-06 0 $0 7,097 $282,957 7,097 $108,867
2010-04 0 $0 0 $0 283,606 $5,106,535
2010-03 0 $0 0 $0 647,462 $10,218,671
2010-01 0 $0 0 $0 1,861,473 $32,302,140
2009-12 0 $0 10,000 $313,400 74,514 $1,073,746
2009-10 0 $0 0 $0 1,540,673 $30,181,783
2009-09 0 $0 152,337 $3,629,885 152,337 $2,207,362
2009-08 0 $0 1,105,502 $26,319,103 1,105,502 $16,108,991
2009-07 0 $0 605,469 $14,218,387 584,469 $8,550,654
2009-06 0 $0 119,000 $2,416,190 164,412 $2,376,229
2009-05 0 $0 0 $0 280,915 $4,175,971
2009-04 0 $0 0 $0 209,708 $3,422,434
2009-03 0 $0 0 $0 118,410 $1,853,116
2009-01 0 $0 0 $0 1,190,197 $17,626,817
2008-12 672,700 $8,964,779 953,506 $12,134,764 149,028 $2,147,493
2008-11 1,125,000 $15,491,631 0 $0 0 $0
2008-10 0 $0 0 $0 5,690,950 $67,466,212
2001-04 0 $0 0 $0 262,097 $4,669,258

Table 2. Detailed insider stock purchases, sales, and option exercises of Discovery Communications, Inc. insiders (DISCA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-08-18 Guagliardo Paul J (Chief Commercial Officer) Buy 10,000 22.71 227,060
2017-08-15 Wiedenfels Gunnar (Chief Financial Officer) Buy 15,000 21.70 325,455
2017-08-02 Anstrom S Decker (Director) Buy 10,000 23.05 230,500
2017-08-01 Wiedenfels Gunnar (Chief Financial Officer) Buy 20,000 23.01 460,180
2017-06-15 Campbell Bruce (Chief Dev Dist & Legal Officer) Sale 9,283 26.43 245,349
2017-06-13 Wehner Kurt (Chief Accounting Officer) Sale 4,746 26.04 123,562
2017-06-13 Wehner Kurt (Chief Accounting Officer) Option Ex 2,462 20.41 50,261
2017-05-16 Robison M Lavoy (Director) Option Ex 24,052 9.52 228,975
2017-05-16 Bennett Robert R (Director) Option Ex 22,328 9.52 212,562
2017-05-10 Gould Paul A (Director) Sale 8,832 26.14 230,903
2017-05-10 Gould Paul A (Director) Option Ex 24,052 9.52 228,975
2017-05-05 Robison M Lavoy (Director) Option Ex 6,050 18.80 113,709
2017-05-05 Bennett Robert R (Director) Option Ex 6,050 18.80 113,709
2017-05-05 Gould Paul A (Director) Option Ex 6,050 18.80 113,709
2017-05-05 Malone John C (Director) Option Ex 6,050 18.80 113,709
2017-05-03 Wargo J David (Director) Option Ex 30,102 12.61 379,646
2017-04-18 Miron Robert (Director) Option Ex 6,050 18.80 113,709
2017-03-30 Miron Steven A (Director) Option Ex 6,050 18.80 113,709
2017-03-29 Beck Robert R (Director) Option Ex 6,050 18.80 113,709
2017-02-23 Zaslav David (Chief Executive Officer & Pres) Option Ex 2,179,752 .00 0
2017-01-17 Zaslav David (Chief Executive Officer & Pres) Option Ex 578,540 25.77 14,911,868
2016-05-11 Robison M Lavoy (Director) Option Ex 10,600 10.12 107,325
2016-05-11 Bennett Robert R (Director) Option Ex 10,600 10.12 107,325
2016-05-11 Malone John C (Director) Option Ex 10,600 10.12 107,325
2016-05-10 Malone John C (Director) Sale 183,637 28.04 5,149,181
2016-05-04 Robison M Lavoy (Director) Option Ex 24,052 6.02 144,768
2016-05-04 Gould Paul A (Director) Option Ex 24,052 6.02 144,768
2016-05-03 Beck Robert R (Director) Option Ex 10,600 10.12 107,325
2016-04-19 Wargo J David (Director) Option Ex 34,652 7.39 256,008
2016-04-13 Miron Robert (Director) Option Ex 10,600 10.12 107,325
2016-04-13 Malone John C (Director) Sale 15,870 28.00 444,360
2016-04-11 Miron Steven A (Director) Option Ex 10,600 10.12 107,325
2016-03-18 Malone John C (Director) Sale 110,493 28.00 3,093,804
2016-01-15 Zaslav David (Chief Executive Officer & Pres) Option Ex 859,178 20.65 17,742,025
2015-12-18 Robison M Lavoy (Director) Option Ex 9,800 6.95 68,110
2015-12-18 Bennett Robert R (Director) Option Ex 9,800 6.95 68,110
2015-12-18 Gould Paul A (Director) Option Ex 9,800 6.95 68,110
2015-12-18 Malone John C (Director) Option Ex 9,800 6.95 68,110
2015-12-16 Miron Robert (Director) Sale 820 26.31 21,574
2015-12-02 Beck Robert R (Director) Option Ex 9,800 6.95 68,110
2015-12-01 Malone John C (Director) Sale 62,000 29.61 1,835,820
2015-11-12 Wargo J David (Director) Option Ex 9,800 6.95 68,110
2015-11-05 Guagliardo Paul J (Chief Commercial Officer) Sale 851 30.14 25,647
2015-11-02 Malone John C (Director) Sale 160,500 28.04 4,500,901
2015-10-23 Malone John C (Director) Sale 25,500 28.00 714,000
2015-08-13 Miron Robert (Director) Option Ex 9,800 6.95 68,110
2015-08-10 Miron Steven A (Director) Option Ex 9,800 6.95 68,110
2015-08-03 Malone John C (Director) Sale 62,000 30.16 1,869,920
2015-07-01 Malone John C (Director) Sale 62,000 31.15 1,931,300
2015-06-01 Gould Paul A (Director) Sale 2,644 32.91 87,016
2015-06-01 Gould Paul A (Director) Option Ex 2,644 6.04 15,959
2015-06-01 Malone John C (Director) Sale 62,000 31.55 1,956,100
2015-05-26 Robison M Lavoy (Director) Option Ex 2,644 6.04 15,959
2015-05-01 Malone John C (Director) Sale 62,000 30.45 1,887,900
2015-04-01 Malone John C (Director) Sale 62,000 29.66 1,838,920
2015-03-02 Malone John C (Director) Sale 62,000 30.76 1,907,120
2015-02-17 Zaslav David (Chief Executive Officer & Pres) Option Ex 1,507,844 .00 0
2015-02-02 Malone John C (Director) Sale 62,000 28.07 1,740,340
2015-01-16 Zaslav David (Chief Executive Officer & Pres) Option Ex 2,947,078 24.60 72,506,960
2015-01-02 Malone John C (Director) Sale 62,000 33.53 2,078,983
2014-11-21 Miron Robert (Director) Buy 758 33.28 25,226
2014-09-16 Gould Paul A (Director) Sale 75,000 38.50 2,887,500
2014-09-11 Gould Paul A (Director) Sale 125,000 39.92 4,990,000
2014-08-26 Wehner Kurt (Chief Accounting Officer) Sale 7,302 43.62 318,476
2014-08-26 Wehner Kurt (Chief Accounting Officer) Option Ex 7,302 25.19 183,922
2014-08-04 Leavy David (Chief Communications Officer) Sale 2,850 84.28 240,198
2014-08-04 Leavy David (Chief Communications Officer) Option Ex 2,850 32.39 92,311
2014-08-01 Leavy David (Chief Communications Officer) Sale 5,000 83.21 416,049
2014-08-01 Leavy David (Chief Communications Officer) Option Ex 5,000 32.39 161,950
2014-08-01 Alpert-romm Adria (SEVP Human Resources) Sale 3,409 84.67 288,640
2014-08-01 Alpert-romm Adria (SEVP Human Resources) Option Ex 3,409 32.39 110,417
2014-05-30 Gould Paul A (Director) Sale 189 75.97 14,359
2014-05-30 Gould Paul A (Director) Option Ex 1,322 10.71 14,157
2014-05-23 Bennett Robert R (Director) Sale 91,650 76.62 7,022,223
2014-05-23 Bennett Robert R (Director) Option Ex 91,650 9.85 902,294
2014-05-22 Leavy David (Chief Communications Officer) Sale 637 75.60 48,157
2014-05-22 Leavy David (Chief Communications Officer) Option Ex 637 32.39 20,632
2014-05-09 Robison M Lavoy (Director) Option Ex 1,322 10.71 14,157
2014-03-20 Campbell Bruce (Chief Dev Officer&Genl Counsel) Sale 18,213 84.00 1,529,892
2014-03-20 Campbell Bruce (Chief Dev Officer&Genl Counsel) Option Ex 18,213 35.58 647,927
2014-03-14 Bennett Robert R (Director) Sale 4,032 84.52 340,784
2014-03-14 Bennett Robert R (Director) Option Ex 4,032 9.91 39,957
2014-03-13 Bennett Robert R (Director) Sale 15,968 84.51 1,349,455
2014-03-13 Bennett Robert R (Director) Option Ex 15,968 9.91 158,242
2014-03-06 Alpert-romm Adria (SEVP Human Resources) Option Ex 4,875 35.58 173,428
2014-03-06 Hendricks John S (Founder) Sale 3,446 84.83 292,324
2014-03-06 Hendricks John S (Founder) Option Ex 3,446 14.53 50,070
2014-03-05 Hendricks John S (Founder) Sale 46,554 84.64 3,940,330
2014-03-05 Hendricks John S (Founder) Option Ex 46,554 14.53 676,429
2014-02-24 Hendricks John S (Founder) Sale 50,000 82.97 4,148,500
2014-02-24 Hendricks John S (Founder) Option Ex 50,000 14.53 726,500
2014-02-21 Zaslav David (Chief Executive Officer & Pres) Option Ex 523,764 .00 0
2014-01-16 Zaslav David (Chief Executive Officer & Pres) Option Ex 1,938,907 44.83 86,917,322
2013-12-27 Hendricks John S (Founder) Sale 31,323 88.88 2,783,988
2013-12-27 Hendricks John S (Founder) Option Ex 31,323 14.53 455,123
2013-12-26 Hendricks John S (Founder) Sale 29,456 88.86 2,617,460
2013-12-26 Hendricks John S (Founder) Option Ex 29,456 14.53 427,995
2013-12-24 Hendricks John S (Founder) Sale 14,612 88.90 1,299,006
2013-12-24 Hendricks John S (Founder) Option Ex 14,612 14.53 212,312
2013-12-23 Hendricks John S (Founder) Sale 512 88.75 45,440
2013-12-23 Hendricks John S (Founder) Option Ex 512 14.53 7,439
2013-11-01 Hendricks John S (Founder) Sale 7,997 88.85 710,533
2013-11-01 Hendricks John S (Founder) Option Ex 7,997 14.53 116,196
2013-10-31 Hendricks John S (Founder) Sale 144,179 87.66 12,639,163
2013-10-31 Hendricks John S (Founder) Option Ex 144,179 14.53 2,094,920
2013-10-30 Hendricks John S (Founder) Sale 35,079 85.93 3,014,338
2013-10-30 Hendricks John S (Founder) Option Ex 35,079 14.53 509,697
2013-10-29 Hendricks John S (Founder) Sale 5,200 85.81 446,212
2013-10-29 Hendricks John S (Founder) Option Ex 5,200 14.53 75,556
2013-10-28 Hendricks John S (Founder) Sale 24,863 85.87 2,134,985
2013-10-28 Hendricks John S (Founder) Option Ex 24,863 14.53 361,259
2013-10-25 Hendricks John S (Founder) Sale 5,879 85.77 504,241
2013-10-25 Hendricks John S (Founder) Option Ex 5,879 14.53 85,421
2013-10-24 Hendricks John S (Founder) Sale 900 85.75 77,175
2013-10-24 Hendricks John S (Founder) Option Ex 900 14.53 13,077
2013-09-09 Robison M Lavoy (Director) Option Ex 665 11.70 7,780
2013-09-06 Robison M Lavoy (Director) Sale 657 74.38 48,864
2013-09-06 Robison M Lavoy (Director) Option Ex 657 11.70 7,686
2013-08-08 Malone John C (Director) Sale 45,210 75.74 3,424,205
2013-07-12 Hendricks John S (Founder) Sale 15,754 83.99 1,323,178
2013-07-12 Hendricks John S (Founder) Option Ex 15,754 14.53 228,905
2013-07-11 Hendricks John S (Founder) Sale 169,946 84.08 14,289,059
2013-07-11 Hendricks John S (Founder) Option Ex 169,946 14.53 2,469,315
2013-07-10 Hendricks John S (Founder) Sale 7,700 82.78 637,406
2013-07-10 Hendricks John S (Founder) Option Ex 7,700 14.53 111,881
2013-07-09 Hendricks John S (Founder) Sale 6,600 82.91 547,206
2013-07-09 Hendricks John S (Founder) Option Ex 6,600 14.53 95,898
2013-07-08 Hendricks John S (Founder) Sale 11,316 81.71 924,630
2013-07-08 Hendricks John S (Founder) Option Ex 11,316 14.53 164,421
2013-07-05 Hendricks John S (Founder) Sale 118,166 81.04 9,576,172
2013-07-05 Hendricks John S (Founder) Option Ex 118,166 14.53 1,716,951
2013-07-03 Campbell Bruce (Chief Dev Officer&Genl Counsel) Sale 7,694 80.00 615,520
2013-07-03 Campbell Bruce (Chief Dev Officer&Genl Counsel) Option Ex 7,694 38.76 298,219
2013-07-03 Hendricks John S (Founder) Sale 170,518 79.98 13,637,518
2013-07-03 Hendricks John S (Founder) Option Ex 170,518 14.53 2,477,626
2013-07-01 Hollinger Mark G (Pres. & CEO, DNI) Sale 33,727 78.01 2,631,043
2013-07-01 Hollinger Mark G (Pres. & CEO, DNI) Option Ex 33,727 32.39 1,092,417
2013-06-28 Hollinger Mark G (Pres. & CEO, DNI) Sale 19,187 77.01 1,477,590
2013-06-28 Hollinger Mark G (Pres. & CEO, DNI) Option Ex 19,187 32.39 621,466
2013-06-27 Hollinger Mark G (Pres. & CEO, DNI) Sale 10,813 77.01 832,709
2013-06-27 Hollinger Mark G (Pres. & CEO, DNI) Option Ex 10,813 32.39 350,233
2013-06-17 Hendricks John S (Founder) Sale 95,500 77.04 7,357,320
2013-06-17 Hendricks John S (Founder) Option Ex 95,500 14.53 1,387,615
2013-06-14 Hendricks John S (Founder) Sale 4,500 76.78 345,510
2013-06-14 Hendricks John S (Founder) Option Ex 4,500 14.53 65,385
2013-06-13 Anstrom S Decker (Director) Buy 680 73.42 49,925
2013-06-11 Hendricks John S (Founder) Sale 47,464 73.23 3,475,788
2013-06-11 Hendricks John S (Founder) Option Ex 47,464 14.53 689,651
2013-06-10 Hendricks John S (Founder) Sale 137,429 75.41 10,363,520
2013-06-10 Hendricks John S (Founder) Option Ex 137,429 14.53 1,996,843
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Insider trading activities including stock purchases, stock sales, and option exercises of DISCA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Discovery Communications, Inc. (symbol DISCA, CIK number 1437107) see the Securities and Exchange Commission (SEC) website.