Insider Trading activities of Merck & Co., Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Merck & Co., Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Merck & Co., Inc. since year 2005. Table 2 shows the detailed insider transactions of Merck & Co., Inc. since 2005. The reporting company's ticker symbol is MRK. The reporting company's CIK number is 310158.
The total value of stock buying since 2005 is $3,807,583.
The total value of stock sales since 2005 is $263,719,997.
The total value of stock option exercises since 2005 is $166,675,681.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Merck & Co., Inc. (MRK).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 0 $0 5,000 $280,985 5,000 $190,200
2017-05 0 $0 5,000 $317,695 102,217 $175,950
2017-04 0 $0 53,850 $3,418,182 0 $0
2017-02 0 $0 161,248 $10,295,405 144,294 $6,974,181
2016-11 0 $0 250,523 $15,716,600 250,523 $7,733,869
2016-10 0 $0 40,800 $2,532,578 40,800 $1,802,952
2016-09 0 $0 39,200 $2,454,312 39,200 $1,312,808
2016-08 0 $0 395,000 $24,473,882 397,150 $13,279,000
2016-07 0 $0 185,000 $10,697,195 140,000 $6,497,199
2016-05 0 $0 139,898 $7,636,095 193,137 $6,202,279
2016-04 0 $0 0 $0 5,000 $172,200
2015-11 0 $0 5,000 $277,670 5,000 $172,200
2015-10 0 $0 60,979 $3,350,334 60,979 $2,191,352
2015-08 0 $0 0 $0 22,584 $0
2015-07 0 $0 31,831 $1,878,251 35,542 $1,443,467
2015-05 0 $0 105,066 $6,357,493 173,157 $3,821,189
2015-04 0 $0 252,526 $15,103,692 297,526 $12,172,557
2015-02 0 $0 146,028 $8,553,087 147,946 $5,918,870
2015-01 0 $0 83,040 $5,188,508 87,074 $3,244,269
2014-12 0 $0 59,846 $3,690,760 62,874 $2,981,828
2014-11 0 $0 25,000 $1,471,740 32,262 $941,361
2014-10 0 $0 9,895 $591,038 12,875 $430,861
2014-09 0 $0 9,814 $593,589 12,875 $430,861
2014-08 0 $0 60,727 $3,510,410 41,275 $1,663,087
2014-07 0 $0 190,034 $11,230,405 192,923 $5,556,833
2014-06 0 $0 82,275 $4,791,002 85,166 $2,608,775
2014-05 0 $0 20,747 $1,150,685 119,824 $430,895
2014-04 0 $0 155,272 $8,772,391 163,101 $6,571,892
2014-02 0 $0 179,380 $9,846,075 159,125 $7,062,922
2014-01 0 $0 0 $0 30,000 $1,433,700
2013-11 0 $0 0 $0 43,334 $81,016
2013-10 0 $0 500 $22,565 0 $0
2013-08 0 $0 50,638 $2,458,626 50,638 $1,824,284
2013-05 0 $0 380,346 $17,203,267 579,290 $11,447,347
2013-02 0 $0 0 $0 25,670 $0
2012-11 0 $0 537,680 $24,380,190 552,580 $16,569,390
2012-08 0 $0 92,824 $4,109,244 62,324 $1,999,727
2012-07 0 $0 0 $0 9,681 $0
2012-05 0 $0 27,377 $1,054,014 27,377 $565,608
2012-04 0 $0 0 $0 95,850 $0
2012-02 0 $0 84,833 $3,272,623 84,833 $2,247,560
2011-11 0 $0 30,000 $1,077,000 30,000 $632,400
2011-10 0 $0 100 $3,135 0 $0
2011-08 47,800 $1,519,113 0 $0 0 $0
2011-05 0 $0 93,636 $3,463,802 94,636 $1,949,565
2011-02 0 $0 0 $0 172,275 $0
2010-11 0 $0 0 $0 46,166 $40,483
2010-08 0 $0 0 $0 40,000 $0
2010-03 0 $0 56,933 $2,121,596 149,733 $1,163,109
2010-02 0 $0 116,755 $4,319,235 120,455 $2,440,596
2009-06 0 $0 0 $0 14,996 $0
2009-04 0 $0 0 $0 428,000 $0
2009-03 0 $0 0 $0 10,000 $0
2008-11 5,000 $69,400 0 $0 0 $0
2008-10 10,000 $136,600 0 $0 0 $0
2008-04 110,000 $2,007,500 0 $0 418,500 $0
2008-01 0 $0 0 $0 2,674 $0
2007-12 0 $0 0 $0 2,720 $0
2007-08 0 $0 0 $0 30,000 $0
2007-05 0 $0 545,527 $17,334,576 570,937 $10,473,224
2007-04 0 $0 485,529 $14,996,915 565,000 $8,877,150
2007-02 3,000 $74,970 0 $0 0 $0
2007-01 0 $0 41,480 $1,032,022 45,528 $842,541
2006-12 0 $0 0 $0 384,440 $0
2006-11 0 $0 20,400 $450,840 110,400 $404,124
2006-08 0 $0 100,000 $2,010,000 125,000 $1,700,000
2005-12 0 $0 5,819 $114,052 0 $0
2005-05 0 $0 5,591 $116,236 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Merck & Co., Inc. insiders (MRK)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-08 Glocer Thomas H (Director) Sale 5,000 56.20 280,985
2017-11-08 Glocer Thomas H (Director) Option Ex 5,000 38.04 190,200
2017-05-12 Kidder C Robert (Director) Sale 5,000 63.54 317,695
2017-05-12 Kidder C Robert (Director) Option Ex 5,000 35.19 175,950
2017-05-09 Karachun Rita A (Sr. VP Fince-Global Controller) Option Ex 2,576 .00 0
2017-05-09 Davis Robert M (EVP, Global Svcs & CFO) Option Ex 85,881 .00 0
2017-05-09 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Option Ex 2,576 .00 0
2017-05-02 Chattopadhyay Sanat (Exe V-P & Pres. MMD) Option Ex 3,092 .00 0
2017-05-02 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Option Ex 3,092 .00 0
2017-04-03 Schechter Adam H (EVP & Pres-Global Human Health) Sale 53,850 63.48 3,418,182
2017-02-14 Karachun Rita A (Sr. VP Fince-Global Controller) Sale 2,954 64.73 191,227
2017-02-08 Russo Patricia F (Director) Sale 5,000 64.42 322,120
2017-02-08 Russo Patricia F (Director) Option Ex 5,000 35.19 175,950
2017-02-06 Weeks Wendell P (Director) Sale 5,000 64.51 322,540
2017-02-06 Weeks Wendell P (Director) Option Ex 5,000 51.86 259,300
2017-02-03 Cech Thomas R (Director) Sale 5,000 63.42 317,100
2017-02-03 Cech Thomas R (Director) Option Ex 5,000 35.19 175,950
2017-02-03 Holston Michael J (EVP, General Counsel) Sale 91,959 63.85 5,871,306
2017-02-03 Holston Michael J (EVP, General Counsel) Option Ex 77,959 59.04 4,602,699
2017-02-03 Schechter Adam H (EVP & Pres-Global Human Health) Sale 36,335 63.73 2,315,702
2017-02-03 Schechter Adam H (EVP & Pres-Global Human Health) Option Ex 36,335 35.02 1,272,633
2017-02-03 Wendell Peter C (Director) Sale 15,000 63.69 955,410
2017-02-03 Wendell Peter C (Director) Option Ex 15,000 32.51 487,649
2016-11-10 Frazier Kenneth C (Chairman, President & CEO) Sale 133,920 65.03 8,709,353
2016-11-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 133,920 23.45 3,140,424
2016-11-09 Frazier Kenneth C (Chairman, President & CEO) Sale 6,080 65.00 395,200
2016-11-09 Frazier Kenneth C (Chairman, President & CEO) Option Ex 6,080 23.45 142,576
2016-11-07 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Sale 85,523 60.02 5,133,347
2016-11-07 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Option Ex 85,523 40.28 3,444,609
2016-11-02 Lazarus Rochelle B (Director) Sale 20,000 59.06 1,181,200
2016-11-02 Lazarus Rochelle B (Director) Option Ex 20,000 37.35 746,960
2016-11-02 Wendell Peter C (Director) Sale 5,000 59.50 297,500
2016-11-02 Wendell Peter C (Director) Option Ex 5,000 51.86 259,300
2016-10-03 Graddick Weir Mirian M (Exe V-P, HR) Sale 40,800 62.07 2,532,578
2016-10-03 Graddick Weir Mirian M (Exe V-P, HR) Option Ex 40,800 44.19 1,802,952
2016-09-01 Schechter Adam H (EVP & Pres-Global Human Health) Sale 39,200 62.61 2,454,312
2016-09-01 Schechter Adam H (EVP & Pres-Global Human Health) Option Ex 39,200 33.49 1,312,808
2016-08-10 Golestani Clark (EVP & Chief Info Officer) Sale 3,000 63.03 189,090
2016-08-05 Frazier Kenneth C (Chairman, President & CEO) Sale 392,000 61.95 24,284,792
2016-08-05 Frazier Kenneth C (Chairman, President & CEO) Option Ex 392,000 33.88 13,279,000
2016-08-02 Chattopadhyay Sanat (Exe V-P & Pres. MMD) Option Ex 5,150 .00 0
2016-07-05 Frazier Kenneth C (Chairman, President & CEO) Sale 27,621 58.00 1,602,018
2016-07-05 Frazier Kenneth C (Chairman, President & CEO) Option Ex 27,621 51.02 1,409,223
2016-07-05 Graddick Weir Mirian M (Exe V-P, HR) Sale 45,000 57.96 2,608,245
2016-07-01 Schechter Adam H (EVP & Pres-Global Human Health) Sale 50,000 57.69 2,884,400
2016-07-01 Schechter Adam H (EVP & Pres-Global Human Health) Option Ex 50,000 44.30 2,215,000
2016-07-01 Frazier Kenneth C (Chairman, President & CEO) Sale 32,379 58.00 1,877,982
2016-07-01 Frazier Kenneth C (Chairman, President & CEO) Option Ex 32,379 51.02 1,651,976
2016-07-01 Graddick Weir Mirian M (Exe V-P, HR) Sale 30,000 57.48 1,724,550
2016-07-01 Graddick Weir Mirian M (Exe V-P, HR) Option Ex 30,000 40.70 1,221,000
2016-05-20 Golestani Clark (EVP & Chief Info Officer) Sale 38,647 54.80 2,117,855
2016-05-20 Golestani Clark (EVP & Chief Info Officer) Option Ex 38,647 44.98 1,738,342
2016-05-19 Golestani Clark (EVP & Chief Info Officer) Sale 1,230 54.55 67,096
2016-05-10 Holston Michael J (EVP, General Counsel) Sale 100,021 54.50 5,451,144
2016-05-10 Holston Michael J (EVP, General Counsel) Option Ex 100,021 44.63 4,463,937
2016-05-06 Chattopadhyay Sanat (Exe V-P & Pres. MMD) Option Ex 4,002 .00 0
2016-05-06 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Option Ex 4,002 .00 0
2016-05-06 Karachun Rita A (Sr. VP Fince-Global Controller) Option Ex 2,001 .00 0
2016-05-06 Perlmutter Roger M (Exe V-P & Pres, MRL) Option Ex 44,464 .00 0
2016-04-13 Harrison William B Jr (Director) Option Ex 5,000 34.44 172,200
2015-11-04 Weeks Wendell P (Director) Sale 5,000 55.53 277,670
2015-11-04 Weeks Wendell P (Director) Option Ex 5,000 34.44 172,200
2015-10-29 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Sale 37,313 55.08 2,055,349
2015-10-29 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Option Ex 37,313 36.56 1,364,163
2015-10-29 Frazier Kenneth C (Chairman, President & CEO) Sale 18,666 54.69 1,020,750
2015-10-29 Frazier Kenneth C (Chairman, President & CEO) Option Ex 18,666 35.09 654,989
2015-10-28 Wendell Peter C (Director) Sale 5,000 54.85 274,235
2015-10-28 Wendell Peter C (Director) Option Ex 5,000 34.44 172,200
2015-08-01 Holston Michael J (EVP, General Counsel) Option Ex 22,584 .00 0
2015-07-31 Golestani Clark (EVP & Chief Info Officer) Sale 31,831 59.01 1,878,251
2015-07-31 Golestani Clark (EVP & Chief Info Officer) Option Ex 35,542 40.61 1,443,467
2015-05-11 Schechter Adam H (EVP & Pres-Global Human Health) Sale 10,634 60.45 642,772
2015-05-08 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Sale 38,368 60.99 2,339,949
2015-05-08 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Option Ex 46,208 35.02 1,618,435
2015-05-04 Kuhlik Bruce N (Exe V-P & Gen Counsel) Sale 56,064 60.20 3,374,772
2015-05-04 Kuhlik Bruce N (Exe V-P & Gen Counsel) Option Ex 56,064 39.29 2,202,754
2015-05-02 Gerberding Julie L. (EVP Strat Comm, Gl Pub Policy) Option Ex 3,818 .00 0
2015-05-02 Karachun Rita A (Sr. VP Fince-Global Controller) Option Ex 4,709 .00 0
2015-05-02 Golestani Clark (EVP & Chief Info Officer) Option Ex 2,291 .00 0
2015-05-02 Rosenblatt Michael (Exec V-P & Chief Med Officer) Option Ex 3,818 .00 0
2015-05-02 Deluca Richard R. (EVP&Pres, Merck Animal Health) Option Ex 5,090 .00 0
2015-05-02 Kuhlik Bruce N (Exe V-P & Gen Counsel) Option Ex 11,708 .00 0
2015-05-02 Schechter Adam H (EVP & Pres-Global Human Health) Option Ex 19,343 .00 0
2015-05-02 Deese Willie A (Exe V-P & Pres. MMD) Option Ex 7,636 .00 0
2015-05-02 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Option Ex 3,818 .00 0
2015-05-02 Graddick Weir Mirian M (Exe V-P, HR) Option Ex 8,654 .00 0
2015-04-29 Kuhlik Bruce N (Exe V-P & Gen Counsel) Sale 156,902 59.79 9,381,170
2015-04-29 Kuhlik Bruce N (Exe V-P & Gen Counsel) Option Ex 156,902 37.92 5,950,508
2015-04-29 Holston Michael J (EVP, Legal) Sale 95,624 59.84 5,722,522
2015-04-29 Holston Michael J (EVP, Legal) Option Ex 135,624 44.63 6,052,899
2015-04-13 Harrison William B Jr (Director) Option Ex 5,000 33.83 169,150
2015-02-18 Frazier Kenneth C (Chairman, President & CEO) Sale 5,164 58.67 302,961
2015-02-18 Frazier Kenneth C (Chairman, President & CEO) Option Ex 7,082 31.84 225,490
2015-02-11 Deese Willie A (Exe V-P & Pres. MMD) Sale 135,864 58.56 7,956,331
2015-02-11 Deese Willie A (Exe V-P & Pres. MMD) Option Ex 135,864 40.66 5,524,230
2015-02-09 Wendell Peter C (Director) Sale 5,000 58.76 293,795
2015-02-09 Wendell Peter C (Director) Option Ex 5,000 33.83 169,150
2015-01-15 Schechter Adam H (EVP & Pres-Global Human Health) Sale 74,200 62.48 4,636,238
2015-01-15 Schechter Adam H (EVP & Pres-Global Human Health) Option Ex 74,200 37.92 2,813,441
2015-01-09 Frazier Kenneth C (Chairman, President & CEO) Sale 8,840 62.47 552,270
2015-01-09 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,874 33.47 430,828
2014-12-10 Frazier Kenneth C (Chairman, President & CEO) Sale 9,846 60.00 590,760
2014-12-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,874 33.47 430,828
2014-12-08 Kuhlik Bruce N (Exe V-P & Gen Counsel) Sale 50,000 62.00 3,100,000
2014-12-08 Kuhlik Bruce N (Exe V-P & Gen Counsel) Option Ex 50,000 51.02 2,551,000
2014-11-26 Lazarus Rochelle B (Director) Sale 10,000 59.63 596,300
2014-11-26 Lazarus Rochelle B (Director) Option Ex 10,000 34.13 341,350
2014-11-24 Weeks Wendell P (Director) Sale 5,000 59.13 295,660
2014-11-24 Weeks Wendell P (Director) Option Ex 5,000 33.83 169,150
2014-11-10 Frazier Kenneth C (Chairman, President & CEO) Sale 10,000 57.98 579,780
2014-11-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,875 33.47 430,861
2014-11-02 Deluca Richard R. (EVP&Pres, Merck Animal Health) Option Ex 4,387 .00 0
2014-10-10 Frazier Kenneth C (Chairman, President & CEO) Sale 9,895 59.73 591,038
2014-10-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,875 33.47 430,861
2014-09-10 Frazier Kenneth C (Chairman, President & CEO) Sale 9,814 60.48 593,589
2014-09-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,875 33.47 430,861
2014-08-25 Schechter Adam H (EVP & Pres-Global Human Health) Sale 22,000 59.70 1,313,378
2014-08-11 Frazier Kenneth C (Chairman, President & CEO) Sale 10,058 57.00 573,306
2014-08-11 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,875 33.47 430,861
2014-08-04 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Sale 28,669 56.64 1,623,726
2014-08-04 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Option Ex 23,400 45.14 1,056,276
2014-08-01 Represas Carlos E (Director) Option Ex 5,000 35.19 175,950
2014-07-10 Frazier Kenneth C (Chairman, President & CEO) Sale 9,987 58.03 579,545
2014-07-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,876 33.47 430,895
2014-07-07 Graddick Weir Mirian M (Exe V-P, HR) Sale 180,047 59.16 10,650,860
2014-07-07 Graddick Weir Mirian M (Exe V-P, HR) Option Ex 180,047 28.47 5,125,938
2014-06-27 Deese Willie A (Exe V-P & Pres. MMD) Sale 72,290 58.26 4,211,253
2014-06-27 Deese Willie A (Exe V-P & Pres. MMD) Option Ex 72,290 30.13 2,177,880
2014-06-10 Frazier Kenneth C (Chairman, President & CEO) Sale 9,985 58.06 579,749
2014-06-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,876 33.47 430,895
2014-05-14 Schechter Adam H (EVP & Pres-Global Human Health) Sale 10,527 55.91 588,585
2014-05-09 Frazier Kenneth C (Chairman, President & CEO) Sale 10,220 55.00 562,100
2014-05-09 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,876 33.47 430,895
2014-05-04 Karachun Rita A (Sr. VP Fince-Global Controller) Option Ex 4,240 .00 0
2014-05-04 Golestani Clark (EVP & Chief Info Officer) Option Ex 2,051 .00 0
2014-05-04 Heller Bridgette P (Exe.VP & Pres.Con.Hlth.Care) Option Ex 5,470 .00 0
2014-05-04 Rosenblatt Michael (Exec V-P & Chief Med Officer) Option Ex 4,103 .00 0
2014-05-04 Kuhlik Bruce N (Exe V-P & Gen Counsel) Option Ex 9,847 .00 0
2014-05-04 Schechter Adam H (EVP & Pres-Global Human Health) Option Ex 19,147 .00 0
2014-05-04 Deese Willie A (Exe V-P & Pres. MMD) Option Ex 7,659 .00 0
2014-05-04 Ambrose Adele D (Sr.V-P & Chief Comuns Officer) Option Ex 4,103 .00 0
2014-05-04 Frazier Kenneth C (Chairman, President & CEO) Option Ex 41,028 .00 0
2014-05-04 Graddick Weir Mirian M (Exe V-P, HR) Option Ex 9,300 .00 0
2014-04-25 Harrison William B Jr (Director) Option Ex 5,000 47.23 236,149
2014-04-10 Frazier Kenneth C (Chairman, President & CEO) Sale 10,047 57.29 575,602
2014-04-10 Frazier Kenneth C (Chairman, President & CEO) Option Ex 12,876 33.47 430,895
2014-04-04 Kuhlik Bruce N (Exe V-P & Gen Counsel) Sale 145,225 56.44 8,196,789
2014-04-04 Kuhlik Bruce N (Exe V-P & Gen Counsel) Option Ex 145,225 40.66 5,904,848
2014-02-14 Golestani Clark (EVP & Chief Info Officer) Sale 5,990 55.47 332,271
2014-02-14 Golestani Clark (EVP & Chief Info Officer) Option Ex 6,375 48.24 307,530
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Insider trading activities including stock purchases, stock sales, and option exercises of MRK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Merck & Co., Inc. (symbol MRK, CIK number 310158) see the Securities and Exchange Commission (SEC) website.