Insider Trading activities of Yahoo Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Yahoo Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Yahoo Inc since year 2005. Table 2 shows the detailed insider transactions of Yahoo Inc since 2005. The reporting company's ticker symbol is YHOO. The reporting company's CIK number is 1011006.
The total value of stock buying since 2005 is $137,429,082.
The total value of stock sales since 2005 is $2,238,792,342.
The total value of stock option exercises since 2005 is $146,829,703.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Yahoo Inc (YHOO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-03 0 $0 27,342 $1,258,844 0 $0
2017-02 0 $0 2,339 $105,558 0 $0
2017-01 0 $0 1,330 $55,715 0 $0
2016-12 0 $0 1,754 $69,126 0 $0
2016-11 0 $0 2,437 $100,760 0 $0
2016-10 0 $0 1,754 $74,471 0 $0
2016-09 0 $0 1,071 $46,496 0 $0
2016-08 0 $0 2,437 $100,260 0 $0
2016-07 0 $0 732 $28,555 0 $0
2016-06 0 $0 2,437 $90,515 0 $0
2016-05 0 $0 207,216 $7,485,797 200,000 $3,774,000
2016-03 0 $0 90,194 $3,000,032 0 $0
2015-04 0 $0 300,000 $13,800,000 375,000 $7,076,250
2015-03 0 $0 30,000 $1,303,470 30,000 $566,100
2015-02 15,000 $645,210 0 $0 0 $0
2015-01 0 $0 92,000 $4,387,200 72,000 $1,358,640
2014-12 0 $0 72,000 $3,622,211 72,000 $1,358,640
2014-11 0 $0 72,000 $3,684,312 72,000 $1,358,640
2014-10 0 $0 108,000 $4,451,760 108,000 $2,037,960
2014-09 0 $0 72,000 $2,945,160 72,000 $1,358,640
2014-08 0 $0 94,500 $3,479,800 94,500 $1,783,215
2014-07 0 $0 72,390 $2,485,958 72,000 $1,358,640
2014-06 0 $0 72,000 $2,507,004 72,000 $1,358,640
2014-05 0 $0 79,921 $2,751,734 79,500 $1,500,165
2014-04 0 $0 108,390 $3,825,932 108,000 $2,037,960
2014-03 0 $0 131,129 $5,095,568 125,000 $2,944,530
2014-02 0 $0 135,279 $5,065,906 117,680 $2,060,720
2014-01 0 $0 11,500 $458,240 11,500 $322,460
2013-12 0 $0 42,721 $1,632,202 28,375 $715,957
2013-10 0 $0 53,250 $1,742,538 53,250 $1,346,082
2013-07 0 $0 41,420,000 $1,205,987,400 0 $0
2013-04 0 $0 30,000 $705,000 0 $0
2013-02 0 $0 3,576,468 $70,504,166 59,874 $938,824
2013-01 0 $0 7,500,000 $147,787,500 0 $0
2012-10 0 $0 21,250 $355,937 21,250 $242,143
2012-07 2,524,000 $39,809,440 0 $0 0 $0
2012-05 1,752,400 $26,706,961 1,824,586 $27,810,640 100,000 $1,248,000
2012-04 0 $0 168,500 $2,534,240 0 $0
2012-03 0 $0 166,500 $2,422,908 100,000 $725,000
2012-02 0 $0 366,500 $5,711,902 200,000 $1,646,000
2012-01 0 $0 166,500 $2,676,987 0 $0
2011-12 0 $0 166,500 $2,687,975 0 $0
2011-11 0 $0 479,700 $7,290,356 1,113,200 $9,020,702
2011-10 0 $0 166,500 $2,757,406 0 $0
2011-09 0 $0 166,500 $2,420,910 0 $0
2011-08 20,000 $228,400 366,500 $4,777,327 200,000 $1,646,000
2011-07 0 $0 166,500 $2,610,387 0 $0
2011-06 0 $0 166,500 $2,531,799 0 $0
2011-05 0 $0 367,976 $6,537,812 200,000 $1,646,000
2011-04 0 $0 168,500 $2,728,520 0 $0
2011-03 0 $0 166,500 $2,682,814 0 $0
2011-02 0 $0 196,258 $3,203,406 0 $0
2011-01 0 $0 246,500 $3,935,011 80,000 $780,000
2010-12 0 $0 166,500 $2,709,454 0 $0
2010-11 0 $0 166,500 $2,690,473 500,000 $2,310,000
2010-10 0 $0 285,775 $4,343,639 97,243 $1,213,592
2010-09 0 $0 166,500 $2,289,208 0 $0
2010-08 0 $0 1,066,500 $14,892,327 900,000 $4,158,000
2010-07 0 $0 166,500 $2,537,793 0 $0
2010-06 0 $0 499,500 $7,523,469 0 $0
2010-05 0 $0 168,610 $2,671,635 0 $0
2010-02 0 $0 119,114 $1,814,792 0 $0
2009-08 0 $0 12,769,739 $190,194,838 0 $0
2009-05 0 $0 10,750 $159,895 0 $0
2009-04 0 $0 12,000 $169,440 0 $0
2009-02 6,000 $72,420 0 $0 0 $0
2008-11 6,779,804 $66,963,327 0 $0 0 $0
2008-08 7,000 $133,806 0 $0 0 $0
2008-07 0 $0 50,000 $1,002,090 0 $0
2008-03 0 $0 0 $0 120,000 $911,160
2008-01 0 $0 0 $0 360,000 $2,733,480
2007-10 0 $0 2,305,144 $69,957,958 2,139,430 $32,091,450
2007-08 65,000 $1,543,680 283,334 $6,606,282 283,334 $2,331,838
2007-07 0 $0 217,000 $5,373,411 50,000 $411,500
2007-06 0 $0 167,000 $4,662,807 0 $0
2007-05 0 $0 656,500 $19,446,843 454,500 $11,248,875
2007-04 0 $0 167,000 $4,671,992 0 $0
2007-03 0 $0 257,200 $7,870,461 50,000 $720,250
2007-02 20,000 $595,200 662,559 $20,131,688 588,959 $4,030,052
2007-01 0 $0 1,108,200 $31,069,776 542,000 $4,419,806
2006-12 0 $0 242,200 $6,284,546 0 $0
2006-11 0 $0 647,910 $17,690,436 480,910 $3,271,977
2006-10 0 $0 433,500 $11,010,816 74,000 $609,020
2006-09 0 $0 296,200 $8,617,569 74,000 $574,758
2006-08 0 $0 565,000 $16,075,010 398,000 $1,896,694
2006-07 27,700 $730,638 313,000 $9,677,087 152,000 $808,200
2006-06 0 $0 243,000 $7,809,497 76,000 $625,480
2006-05 0 $0 693,000 $22,378,284 476,000 $2,348,180
2006-04 0 $0 667,205 $21,837,471 504,205 $2,257,243
2006-03 0 $0 243,000 $7,556,013 76,000 $555,180
2006-02 0 $0 1,343,000 $44,647,099 1,176,000 $14,537,880
2006-01 0 $0 243,000 $10,149,290 76,000 $555,180
2005-12 0 $0 243,200 $9,981,266 0 $0
2005-11 0 $0 89,100 $3,415,921 0 $0
2005-10 0 $0 301,700 $10,619,013 0 $0
2005-09 0 $0 103,044 $3,411,575 0 $0
2005-08 0 $0 79,850 $2,666,216 0 $0
2005-07 0 $0 52,491 $1,834,311 0 $0
2005-06 0 $0 144,902 $5,456,361 0 $0
2005-05 0 $0 611,340 $20,932,272 0 $0
2005-04 0 $0 134,226 $4,545,593 0 $0
2005-03 0 $0 96,850 $3,090,898 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Yahoo Inc insiders (YHOO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-03-31 Utzschneider Lisa (Chief Revenue Officer) Sale 683 46.52 31,773
2017-03-22 Utzschneider Lisa (Chief Revenue Officer) Sale 974 45.75 44,560
2017-03-10 Utzschneider Lisa (Chief Revenue Officer) Sale 25,685 46.04 1,182,511
2017-02-23 Utzschneider Lisa (Chief Revenue Officer) Sale 974 46.04 44,842
2017-02-09 Utzschneider Lisa (Chief Revenue Officer) Sale 451 44.95 20,272
2017-02-01 Utzschneider Lisa (Chief Revenue Officer) Sale 914 44.25 40,444
2017-01-23 Utzschneider Lisa (Chief Revenue Officer) Sale 920 41.95 38,594
2017-01-10 Utzschneider Lisa (Chief Revenue Officer) Sale 410 41.76 17,121
2016-12-30 Utzschneider Lisa (Chief Revenue Officer) Sale 683 38.72 26,445
2016-12-21 Utzschneider Lisa (Chief Revenue Officer) Sale 732 39.08 28,606
2016-12-09 Utzschneider Lisa (Chief Revenue Officer) Sale 339 41.52 14,075
2016-11-30 Utzschneider Lisa (Chief Revenue Officer) Sale 683 41.62 28,426
2016-11-22 Utzschneider Lisa (Chief Revenue Officer) Sale 732 41.20 30,158
2016-11-10 Utzschneider Lisa (Chief Revenue Officer) Sale 339 41.55 14,085
2016-11-01 Utzschneider Lisa (Chief Revenue Officer) Sale 683 41.13 28,091
2016-10-21 Utzschneider Lisa (Chief Revenue Officer) Sale 732 42.10 30,817
2016-10-13 Utzschneider Lisa (Chief Revenue Officer) Sale 339 42.08 14,265
2016-10-03 Utzschneider Lisa (Chief Revenue Officer) Sale 683 43.03 29,389
2016-09-22 Utzschneider Lisa (Chief Revenue Officer) Sale 732 43.94 32,164
2016-09-12 Utzschneider Lisa (Chief Revenue Officer) Sale 339 42.28 14,332
2016-08-30 Utzschneider Lisa (Chief Revenue Officer) Sale 683 42.28 28,877
2016-08-22 Utzschneider Lisa (Chief Revenue Officer) Sale 732 42.84 31,358
2016-08-11 Utzschneider Lisa (Chief Revenue Officer) Sale 339 41.15 13,949
2016-08-01 Utzschneider Lisa (Chief Revenue Officer) Sale 683 38.18 26,076
2016-07-21 Utzschneider Lisa (Chief Revenue Officer) Sale 732 39.01 28,555
2016-06-30 Utzschneider Lisa (Chief Revenue Officer) Sale 683 36.89 25,195
2016-06-22 Utzschneider Lisa (Chief Revenue Officer) Sale 732 37.37 27,354
2016-06-10 Utzschneider Lisa (Chief Revenue Officer) Sale 339 36.97 12,532
2016-06-01 Utzschneider Lisa (Chief Revenue Officer) Sale 683 37.24 25,434
2016-05-20 Utzschneider Lisa (Chief Revenue Officer) Sale 820 36.04 29,552
2016-05-19 Hill Richard (Director) Sale 38 36.92 1,402
2016-05-12 Utzschneider Lisa (Chief Revenue Officer) Sale 451 37.39 16,862
2016-05-09 Utzschneider Lisa (Chief Revenue Officer) Sale 5,907 36.97 218,381
2016-05-03 Goldman Kenneth A (Chief Financial Officer) Sale 200,000 36.10 7,219,600
2016-05-03 Goldman Kenneth A (Chief Financial Officer) Option Ex 200,000 18.87 3,774,000
2016-03-08 Goldman Kenneth A (Chief Financial Officer) Sale 90,194 33.26 3,000,032
2015-04-16 Mayer Marissa A (Chief Executive Officer) Sale 100,000 46.00 4,600,000
2015-04-16 Mayer Marissa A (Chief Executive Officer) Option Ex 125,000 18.87 2,358,750
2015-04-09 Mayer Marissa A (Chief Executive Officer) Sale 200,000 46.00 9,200,000
2015-04-09 Mayer Marissa A (Chief Executive Officer) Option Ex 250,000 18.87 4,717,500
2015-03-09 Goldman Kenneth A (Chief Financial Officer) Sale 30,000 43.45 1,303,470
2015-03-09 Goldman Kenneth A (Chief Financial Officer) Option Ex 30,000 18.87 566,100
2015-02-06 Scott H Lee Jr (Director) Buy 15,000 43.01 645,210
2015-01-30 James Susan M. (Director) Sale 20,000 44.28 885,660
2015-01-20 Mayer Marissa A (Chief Executive Officer) Sale 36,000 47.62 1,714,428
2015-01-20 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2015-01-08 Mayer Marissa A (Chief Executive Officer) Sale 36,000 49.64 1,787,112
2015-01-08 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-12-22 Mayer Marissa A (Chief Executive Officer) Sale 36,000 51.16 1,841,867
2014-12-22 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-12-08 Mayer Marissa A (Chief Executive Officer) Sale 36,000 49.45 1,780,344
2014-12-08 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-11-25 Mayer Marissa A (Chief Executive Officer) Sale 36,000 51.79 1,864,584
2014-11-25 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-11-12 Mayer Marissa A (Chief Executive Officer) Sale 36,000 50.55 1,819,728
2014-11-12 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-10-31 Mayer Marissa A (Chief Executive Officer) Sale 36,000 45.89 1,652,040
2014-10-31 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-10-16 Mayer Marissa A (Chief Executive Officer) Sale 36,000 37.77 1,359,864
2014-10-16 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-10-02 Mayer Marissa A (Chief Executive Officer) Sale 36,000 40.00 1,439,856
2014-10-02 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-09-15 Mayer Marissa A (Chief Executive Officer) Sale 36,000 42.44 1,527,804
2014-09-15 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-09-05 Mayer Marissa A (Chief Executive Officer) Sale 36,000 39.37 1,417,356
2014-09-05 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-08-18 Mayer Marissa A (Chief Executive Officer) Sale 36,000 37.51 1,350,324
2014-08-18 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-08-18 Goldman Kenneth A (Chief Financial Officer) Sale 15,000 37.50 562,500
2014-08-18 Goldman Kenneth A (Chief Financial Officer) Option Ex 15,000 18.87 283,050
2014-08-05 Mayer Marissa A (Chief Executive Officer) Sale 36,000 36.10 1,299,744
2014-08-05 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-08-01 Goldman Kenneth A (Chief Financial Officer) Sale 7,500 35.63 267,232
2014-08-01 Goldman Kenneth A (Chief Financial Officer) Option Ex 7,500 18.87 141,525
2014-07-30 Kothari Aman S (SVP, Global Controller & CAO) Sale 195 35.81 6,982
2014-07-23 Mayer Marissa A (Chief Executive Officer) Sale 36,000 33.81 1,217,160
2014-07-23 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-07-10 Mayer Marissa A (Chief Executive Officer) Sale 36,000 34.86 1,254,888
2014-07-10 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-07-01 Kothari Aman S (SVP, Global Controller & CAO) Sale 195 35.53 6,928
2014-06-26 Mayer Marissa A (Chief Executive Officer) Sale 36,000 33.60 1,209,528
2014-06-26 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-06-10 Mayer Marissa A (Chief Executive Officer) Sale 36,000 36.04 1,297,476
2014-06-10 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-05-30 Mayer Marissa A (Chief Executive Officer) Sale 36,000 34.56 1,244,124
2014-05-30 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-05-30 Kothari Aman S (SVP, Global Controller & CAO) Sale 195 34.92 6,809
2014-05-15 Mayer Marissa A (Chief Executive Officer) Sale 36,000 33.79 1,216,367
2014-05-15 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-05-12 Kothari Aman S (SVP, Global Controller & CAO) Sale 226 34.00 7,684
2014-05-06 Goldman Kenneth A (Chief Financial Officer) Sale 7,500 36.90 276,750
2014-05-06 Goldman Kenneth A (Chief Financial Officer) Option Ex 7,500 18.87 141,525
2014-04-30 Mayer Marissa A (Chief Executive Officer) Sale 36,000 35.86 1,290,960
2014-04-30 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-04-30 Kothari Aman S (SVP, Global Controller & CAO) Sale 195 35.82 6,984
2014-04-15 Mayer Marissa A (Chief Executive Officer) Sale 36,000 33.69 1,212,876
2014-04-15 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-04-01 Mayer Marissa A (Chief Executive Officer) Sale 36,000 36.34 1,308,060
2014-04-01 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-04-01 Kothari Aman S (SVP, Global Controller & CAO) Sale 195 36.16 7,052
2014-03-17 Bell Ronald S. (General Counsel & Secretary) Sale 26,000 39.10 1,016,600
2014-03-17 Bell Ronald S. (General Counsel & Secretary) Option Ex 26,000 37.08 964,080
2014-03-17 Mayer Marissa A (Chief Executive Officer) Sale 36,000 38.88 1,399,788
2014-03-17 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-03-11 Bell Ronald S. (General Counsel & Secretary) Sale 27,000 37.88 1,022,651
2014-03-11 Bell Ronald S. (General Counsel & Secretary) Option Ex 27,000 23.03 621,810
2014-03-04 Mayer Marissa A (Chief Executive Officer) Sale 36,000 39.53 1,423,259
2014-03-04 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-03-04 Kothari Aman S (SVP, Global Controller & CAO) Sale 2,333 38.74 90,378
2014-03-03 Kothari Aman S (SVP, Global Controller & CAO) Sale 3,796 37.64 142,892
2014-02-28 Kothari Aman S (SVP, Global Controller & CAO) Sale 1,679 38.56 64,742
2014-02-27 Kothari Aman S (SVP, Global Controller & CAO) Sale 46,910 37.98 1,781,547
2014-02-27 Kothari Aman S (SVP, Global Controller & CAO) Option Ex 31,487 14.86 467,896
2014-02-25 Kothari Aman S (SVP, Global Controller & CAO) Sale 14,193 37.23 528,377
2014-02-25 Kothari Aman S (SVP, Global Controller & CAO) Option Ex 14,193 16.50 234,184
2014-02-21 Mayer Marissa A (Chief Executive Officer) Sale 36,000 37.40 1,346,364
2014-02-21 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-02-11 Kothari Aman S (SVP, Global Controller & CAO) Sale 497 38.15 18,960
2014-02-07 Mayer Marissa A (Chief Executive Officer) Sale 36,000 36.83 1,325,916
2014-02-07 Mayer Marissa A (Chief Executive Officer) Option Ex 36,000 18.87 679,320
2014-01-17 Bell Ronald S. (General Counsel & Secretary) Sale 11,500 39.85 458,240
2014-01-17 Bell Ronald S. (General Counsel & Secretary) Option Ex 11,500 28.04 322,460
2013-12-10 Kothari Aman S (SVP, Global Controller & CAO) Sale 8,000 40.00 320,000
2013-12-10 Kothari Aman S (SVP, Global Controller & CAO) Option Ex 8,000 37.08 296,640
2013-12-05 Bell Ronald S. (General Counsel & Secretary) Sale 20,375 38.44 783,194
2013-12-05 Bell Ronald S. (General Counsel & Secretary) Option Ex 20,375 20.58 419,317
2013-12-03 Kothari Aman S (SVP, Global Controller & CAO) Sale 14,346 36.88 529,008
2013-10-29 Bell Ronald S. (General Counsel & Secretary) Sale 11,500 33.24 382,282
2013-10-29 Bell Ronald S. (General Counsel & Secretary) Option Ex 11,500 27.27 313,605
2013-10-25 Kothari Aman S (SVP, Global Controller & CAO) Sale 41,750 32.58 1,360,256
2013-10-25 Kothari Aman S (SVP, Global Controller & CAO) Option Ex 41,750 24.73 1,032,477
2013-07-24 Wilson Harry James (Director) Sale 10,000 27.55 275,500
2013-07-22 Third Point Llc Sale 40,000,000 29.11 1,164,400,000
2013-07-19 Wilson Harry James (Director) Sale 10,000 29.19 291,900
2013-07-19 Third Point Llc Sale 1,400,000 29.30 41,020,000
2013-04-19 Wilson Harry James Sale 30,000 23.50 705,000
2013-02-28 Kothari Aman S (SVP, Global Controller & CAO) Sale 64,828 21.42 1,388,680
2013-02-28 Kothari Aman S (SVP, Global Controller & CAO) Option Ex 59,874 15.68 938,824
2013-02-27 Kothari Aman S (SVP, Global Controller & CAO) Sale 10,335 21.20 219,102
2013-02-15 Kothari Aman S (SVP, Global Controller & CAO) Sale 905 21.01 19,014
2013-02-01 Third Point Llc Sale 3,500,400 19.68 68,877,370
2013-01-31 Third Point Llc Sale 7,500,000 19.70 147,787,500
2012-10-26 Kothari Aman S (SVP, Global Controller & CAO) Sale 21,250 16.75 355,937
2012-10-26 Kothari Aman S (SVP, Global Controller & CAO) Option Ex 21,250 11.39 242,143
2012-07-23 Wolf Michael J Buy 4,000 15.66 62,660
2012-07-23 Third Point Llc Buy 804,000 15.67 12,598,680
2012-07-20 Wolf Michael J Buy 20,000 15.87 317,380
2012-07-20 Third Point Llc Buy 1,696,000 15.82 26,830,720
2012-05-31 Wilson Harry James Buy 25,000 15.15 378,750
2012-05-31 Callahan Michael John (EVP & General Counsel) Sale 100,000 15.26 1,526,000
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Insider trading activities including stock purchases, stock sales, and option exercises of YHOO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Yahoo Inc (symbol YHOO, CIK number 1011006) see the Securities and Exchange Commission (SEC) website.