Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Komag Inc /de/ (KOMG) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data at Komag Inc /de/. Table 2 shows the detailed insider transactions. The reporting company's CIK number is 813347.
Total stock buying since 2005: $0.
Total stock sales since 2005: $21,473,107.
Total stock option exercises since 2005: $2,485,874.
▪ Recent SEC 13D filings for all companies
▪ Recent portfolio reports of all companies
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2007 | 0 | $0 | 41,642 | $1,337,473 | 88,927 | $146,609 |
| 2006 | 0 | $0 | 422,131 | $18,450,517 | 446,253 | $2,339,265 |
| 2005 | 0 | $0 | 58,730 | $1,685,117 | 0 | $0 |
| 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 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | 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 | 37.99 | 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 | 49.05 | 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 | 48.59 | 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 |
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.