Insider Trading activities of Komag Inc /de/ insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Komag Inc /de/ since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Komag Inc /de/ since year 2005. Table 2 shows the detailed insider transactions of Komag Inc /de/ since 2005. The reporting company's ticker symbol is KOMG. The reporting company's CIK number is 813347.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $22,166,106.
The total value of stock option exercises since 2005 is $2,485,874.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Komag Inc /de/ (KOMG).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2007-06 0 $0 11,156 $315,979 21,775 $20,377
2007-04 0 $0 0 $0 10,000 $100
2007-03 0 $0 4,499 $143,962 26,477 $260
2007-02 0 $0 25,987 $877,532 30,675 $125,872
2006-12 0 $0 8,285 $326,234 4,000 $42,620
2006-11 0 $0 30,400 $1,189,883 27,491 $169,002
2006-10 0 $0 859 $32,633 50,859 $11,520
2006-09 0 $0 40,799 $1,360,544 36,800 $469,614
2006-08 0 $0 20,450 $742,441 58,975 $94,483
2006-06 0 $0 5,476 $227,933 11,802 $118
2006-05 0 $0 152,930 $6,775,956 58,595 $752,355
2006-04 0 $0 1,900 $87,365 1,900 $18,658
2006-03 0 $0 39,195 $1,934,683 89,218 $180,862
2006-02 0 $0 119,937 $5,699,982 104,713 $581,375
2006-01 0 $0 1,900 $72,863 1,900 $18,658
2005-11 0 $0 750 $21,255 0 $0
2005-10 0 $0 1,000 $30,214 0 $0
2005-09 0 $0 1,000 $35,498 0 $0
2005-08 0 $0 7,980 $298,367 0 $0
2005-07 0 $0 1,000 $32,788 0 $0
2005-06 0 $0 18,500 $530,443 0 $0
2005-05 0 $0 28,500 $736,552 0 $0
2005-04 0 $0 20,000 $451,380 0 $0
2005-03 0 $0 11,000 $241,619 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Komag Inc /de/ insiders (KOMG)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2007-06-29 Wolf Dennis P (Director) Sale 5,526 31.71 175,229
2007-06-29 Wolf Dennis P (Director) Option Ex 625 10.30 6,437
2007-06-20 Workman Michael (Director) Option Ex 2,269 .01 22
2007-06-19 Takata David G (Director) Option Ex 2,269 .01 22
2007-06-18 Wolf Dennis P (Director) Option Ex 2,269 .01 22
2007-06-15 Swimm Kenneth Robert (Director) Option Ex 2,269 .01 22
2007-06-14 Eyre Chris A (Director) Option Ex 2,269 .01 22
2007-06-14 Kashnow Richard A (Director) Option Ex 4,538 .01 45
2007-06-13 Van Wickle Harry George (Director) Option Ex 2,269 .01 22
2007-06-13 Brahe Paul A (Director) Option Ex 2,269 .01 22
2007-06-08 Brahe Paul A (Director) Sale 5,630 25.00 140,750
2007-06-08 Brahe Paul A (Director) Option Ex 729 18.85 13,741
2007-04-30 Bayless Kathleen A (EVP, CFO) Option Ex 5,000 .01 50
2007-04-20 Casey Edward James (SVP, COO) Option Ex 5,000 .01 50
2007-03-15 Casey Edward James (VP, COO) Option Ex 4,672 .01 46
2007-03-15 Martin Ray L (EXEC VP, SLS CUS SVC & PROD) Option Ex 4,672 .01 46
2007-03-14 Yamashita Tsutomu T (EVP, CTO) Option Ex 5,451 .01 54
2007-03-09 Hammack William (SVP, HUMAN RESOURCES) Sale 2,571 31.95 82,143
2007-03-09 Hammack William (SVP, HUMAN RESOURCES) Option Ex 3,894 .01 38
2007-03-09 Bayless Kathleen A (SVP, CFO) Option Ex 3,894 .01 38
2007-03-08 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Option Ex 3,894 .01 38
2007-03-08 Harris Timothy David (CEO) Sale 1,928 32.06 61,819
2007-02-28 Harris Timothy David (CEO) Option Ex 15,576 .01 155
2007-02-28 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Option Ex 3,894 .01 38
2007-02-23 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Sale 3,956 35.00 138,460
2007-02-23 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Option Ex 528 12.68 6,695
2007-02-23 Bayless Kathleen A (SVP, CFO) Sale 5,729 35.00 200,515
2007-02-23 Bayless Kathleen A (SVP, CFO) Option Ex 5,729 9.82 56,258
2007-02-23 Takata David G (Director) Sale 2,500 35.00 87,500
2007-02-23 Takata David G (Director) Option Ex 2,500 13.16 32,900
2007-02-22 Harris Timothy David (CEO) Sale 1,928 32.65 62,951
2007-02-20 Yamashita Tsutomu T (EVP, CTO) Sale 6,965 32.13 223,792
2007-02-20 Yamashita Tsutomu T (EVP, CTO) Option Ex 1,823 12.83 23,389
2007-02-20 Wolf Dennis P (Director) Sale 625 32.13 20,081
2007-02-20 Wolf Dennis P (Director) Option Ex 625 10.30 6,437
2007-02-05 Harris Timothy David (CEO) Sale 4,284 33.67 144,233
2006-12-08 Takata David G (Director) Sale 1,500 39.29 58,940
2006-12-08 Takata David G (Director) Option Ex 1,500 6.48 9,720
2006-12-06 Harris Timothy David (CEO) Sale 4,285 39.71 170,144
2006-12-01 Takata David G (Director) Sale 2,500 38.86 97,150
2006-12-01 Takata David G (Director) Option Ex 2,500 13.16 32,900
2006-11-30 Eyre Chris A (Director) Sale 2,187 40.00 87,480
2006-11-30 Eyre Chris A (Director) Option Ex 2,187 12.83 28,059
2006-11-20 Brahe Paul A (Director) Sale 840 40.04 33,633
2006-11-20 Brahe Paul A (Director) Option Ex 840 12.83 10,777
2006-11-20 Wolf Dennis P (Director) Sale 875 40.06 35,050
2006-11-20 Wolf Dennis P (Director) Option Ex 875 10.30 9,012
2006-11-15 Van Wickle Harry George (Director) Sale 5,417 40.28 218,196
2006-11-15 Van Wickle Harry George (Director) Option Ex 5,417 9.82 53,194
2006-11-14 Workman Michael (Director) Sale 2,000 39.19 78,372
2006-11-09 Eyre Chris A (Director) Sale 3,250 40.00 130,000
2006-11-09 Eyre Chris A (Director) Option Ex 1,250 16.00 20,006
2006-11-09 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Sale 2,838 40.00 113,520
2006-11-09 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Option Ex 2,838 9.82 27,869
2006-11-07 Bayless Kathleen A (SVP, CFO) Sale 1,000 38.00 38,000
2006-11-06 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Sale 2,709 37.99 102,917
2006-11-06 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Option Ex 1,584 12.68 20,085
2006-11-06 Harris Timothy David (CEO) Sale 4,284 37.99 162,740
2006-11-06 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Sale 5,000 38.00 189,975
2006-11-01 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Option Ex 12,500 .00 0
2006-10-31 Hammack William (SVP, HUMAN RESOURCES) Sale 859 37.99 32,633
2006-10-31 Hammack William (SVP, HUMAN RESOURCES) Option Ex 859 12.83 11,020
2006-10-24 Casey Edward James (VP, COO) Option Ex 25,000 .01 250
2006-10-10 Yamashita Tsutomu T (EVP, CTO) Option Ex 25,000 .01 250
2006-09-25 Tan Thian H (CEO) Sale 32,500 33.30 1,082,217
2006-09-25 Tan Thian H (CEO) Option Ex 32,500 12.83 416,975
2006-09-20 Wolf Dennis P (Director) Sale 3,000 34.38 103,128
2006-09-20 Wolf Dennis P (Director) Option Ex 1,000 10.30 10,300
2006-09-15 Russak Michael A (EVP, CTO) Sale 4,299 32.93 141,566
2006-09-15 Russak Michael A (EVP, CTO) Option Ex 3,300 12.83 42,339
2006-09-14 Bayless Kathleen A (SVP, CFO) Sale 1,000 33.63 33,633
2006-08-25 Tan Thian H (CEO) Sale 5,475 34.95 191,329
2006-08-22 Van Wickle Harry George (Director) Sale 5,965 36.82 219,655
2006-08-22 Van Wickle Harry George (Director) Option Ex 3,333 6.48 21,597
2006-08-21 Brahe Paul A (Director) Sale 1,248 37.46 46,753
2006-08-21 Brahe Paul A (Director) Option Ex 1,248 12.83 16,011
2006-08-16 Harris Timothy David (COO) Option Ex 50,000 .01 500
2006-08-15 Russak Michael A (EVP, CTO) Sale 4,300 36.68 157,711
2006-08-15 Russak Michael A (EVP, CTO) Option Ex 3,300 12.83 42,339
2006-08-14 Hammack William (SVP, HUMAN RESOURCES) Sale 1,094 36.52 39,958
2006-08-14 Hammack William (SVP, HUMAN RESOURCES) Option Ex 1,094 12.83 14,036
2006-08-14 Bayless Kathleen A (SVP, CFO) Sale 2,000 36.67 73,342
2006-08-01 Van Wickle Harry George (Director) Sale 368 37.21 13,693
2006-06-23 Tan Thian H (CEO) Sale 5,476 41.62 227,933
2006-06-09 Van Wickle Harry George (Director) Option Ex 2,901 .01 29
2006-06-08 Brahe Paul A (Director) Option Ex 2,901 .01 29
2006-06-08 Takata David G (Director) Option Ex 6,000 .01 60
2006-05-25 Tan Thian H (CEO) Sale 27,500 43.83 1,195,057
2006-05-25 Tan Thian H (CEO) Option Ex 27,500 12.83 352,825
2006-05-23 Tan Thian H (CEO) Sale 17,500 45.49 786,388
2006-05-23 Hammack William (SVP, HUMAN RESOURCES) Sale 859 44.42 38,155
2006-05-23 Hammack William (SVP, HUMAN RESOURCES) Option Ex 859 12.83 11,020
2006-05-22 Brahe Paul A (Director) Sale 3,248 43.68 141,872
2006-05-22 Brahe Paul A (Director) Option Ex 1,248 12.83 16,011
2006-05-15 Bayless Kathleen A (SVP, CFO) Sale 1,000 42.17 42,167
2006-05-08 Tan Thian H (CEO) Sale 16,755 44.70 747,513
2006-05-08 Russak Michael A (EVP, CTO) Sale 1,900 44.59 84,728
2006-05-08 Russak Michael A (EVP, CTO) Option Ex 1,900 9.82 18,658
2006-05-08 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Sale 1,047 44.65 46,748
2006-05-08 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Option Ex 1,047 18.85 19,735
2006-05-08 Martin Ray L (EXEC VP, SLS CUS SVC & PROD) Sale 28,719 44.66 1,281,656
2006-05-08 Martin Ray L (EXEC VP, SLS CUS SVC & PROD) Option Ex 26,041 12.83 334,106
2006-04-10 Russak Michael A (EVP, CTO) Sale 1,900 45.98 87,365
2006-04-10 Russak Michael A (EVP, CTO) Option Ex 1,900 9.82 18,658
2006-03-23 Tan Thian H (CEO) Sale 22,977 49.06 1,127,136
2006-03-16 Martin Ray L (EXEC VP, SLS CUS SVC & PROD) Option Ex 15,000 .01 150
2006-03-15 Russak Michael A (EVP, CTO) Option Ex 16,000 .01 160
2006-03-15 Takata David G (Director) Sale 3,500 51.48 180,183
2006-03-15 Takata David G (Director) Option Ex 3,500 6.48 22,680
2006-03-13 Hammack William (SVP, HUMAN RESOURCES) Option Ex 12,000 .01 120
2006-03-10 Hammack William (SVP, HUMAN RESOURCES) Sale 6,172 48.51 299,409
2006-03-10 Hammack William (SVP, HUMAN RESOURCES) Option Ex 6,172 12.83 79,186
2006-03-08 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Option Ex 12,000 .01 120
2006-03-07 Russak Michael A (EVP, CTO) Sale 1,900 50.10 95,186
2006-03-07 Russak Michael A (EVP, CTO) Option Ex 1,900 9.82 18,658
2006-03-06 Harris Timothy David (COO) Option Ex 18,000 .01 180
2006-03-02 Bayless Kathleen A (SVP, CFO) Sale 4,646 50.10 232,769
2006-03-02 Bayless Kathleen A (SVP, CFO) Option Ex 4,646 12.83 59,608
2006-02-27 Tan Thian H (CEO) Sale 35,745 46.12 1,694,441
2006-02-27 Tan Thian H (CEO) Option Ex 35,000 12.83 449,050
2006-02-27 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Sale 15,627 47.70 741,442
2006-02-27 Norris Peter (EXEC VP, STRATEGIC BUS DEVELOP) Option Ex 3,127 9.82 30,707
2006-02-24 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Option Ex 8,000 .01 80
2006-02-23 Tan Thian H (CEO) Sale 17,500 47.53 832,129
2006-02-23 Bayless Kathleen A (SVP, CFO) Option Ex 15,000 .01 150
2006-02-21 Brahe Paul A (Director) Sale 1,248 49.59 61,892
2006-02-21 Brahe Paul A (Director) Option Ex 1,248 12.83 16,011
2006-02-21 Wolf Dennis P (Director) Sale 1,250 49.76 62,200
2006-02-21 Wolf Dennis P (Director) Option Ex 1,250 10.30 12,875
2006-02-17 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Sale 3,298 48.66 160,480
2006-02-17 Judy Paul G (VP, CORPORATE CONTROLLER & CAO) Option Ex 1,584 12.68 20,085
2006-02-17 Eyre Chris A (Director) Sale 2,604 48.58 126,515
2006-02-17 Eyre Chris A (Director) Option Ex 2,604 12.83 33,409
2006-02-15 Tan Thian H (CEO) Option Ex 35,000 .01 350
2006-02-07 Russak Michael A (EVP, CTO) Sale 1,900 46.38 88,131
2006-02-07 Russak Michael A (EVP, CTO) Option Ex 1,900 9.82 18,658
2006-01-09 Russak Michael A (EVP, CTO) Sale 1,900 38.35 72,863
2006-01-09 Russak Michael A (EVP, CTO) Option Ex 1,900 9.82 18,658
2005-11-07 Judy Paul G (CAO) Sale 750 28.34 21,255
2005-10-10 Bayless Kathleen A (VP, CFO) Sale 1,000 30.21 30,214
2005-09-09 Bayless Kathleen A (VP, CFO) Sale 1,000 35.50 35,498
2005-08-12 Van Wickle Harry George (Director) Sale 2,000 37.16 74,320
2005-08-08 Bayless Kathleen A (VP, CFO) Sale 1,000 37.20 37,198
2005-08-05 Hammack William (VP, HUMAN RESOURCES) Sale 4,980 37.52 186,849
2005-07-11 Bayless Kathleen A (VP, CFO) Sale 1,000 32.79 32,788
2005-06-14 Bayless Kathleen A (VP, CFO) Sale 1,000 30.36 30,358
2005-06-06 Dabier Ali (VP, COO) Sale 7,500 28.20 211,485
2005-06-01 Tan Thian H (CEO) Sale 10,000 28.86 288,600
2005-05-25 Tan Thian H (CEO) Sale 10,000 27.47 274,660
2005-05-16 Yamashita Tsutomu T (VP, PROCESS DEVELOPM) Sale 7,500 25.21 189,082
2005-05-13 Yamashita Tsutomu T (VP, PROCESS DEVELOPM) Sale 10,000 24.78 247,810
2005-05-13 Bayless Kathleen A (VP, CFO) Sale 1,000 25.00 25,000
2005-04-25 Tan Thian H (CEO) Sale 10,000 22.74 227,420
2005-04-01 Tan Thian H (CEO) Sale 10,000 22.40 223,960
2005-03-28 Tan Thian H (CEO) Sale 10,000 21.86 218,619
2005-03-10 Bayless Kathleen A (VP, CFO) Sale 1,000 23.00 23,000

Insider trading activities including stock purchases, stock sales, and option exercises of KOMG listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Komag Inc /de/ (symbol KOMG, CIK number 813347) see the Securities and Exchange Commission (SEC) website.