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Insider Trading: Seagate Technology

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Seagate Technology in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Seagate Technology since year 2005. Table 2 shows the detailed insider transactions of Seagate Technology since 2005. The reporting company's ticker symbol is STX. The reporting company's CIK number is 1137789.

The total value of stock buying since 2005 is $40,160. The total value of stock sales is $11,460,648,524. The total value of stock exercises is $55,309,420.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Seagate Technology (STX) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • $310,229k

    $31,022k

    $3,102k

    $310k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Seagate Technology (STX) in the past 24 months. See table 2 for insider transaction details.

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • $27.44

    $20.58

    $13.72

    $6.86



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Seagate Technology (STX).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-10 0 0 11,800 81,774 0 0
2008-08 0 0 439 6,549 0 0
2008-07 0 0 0 0 169,565 389,999
2008-05 0 0 6,141 128,961 0 0
2008-01 0 0 41,666 1,049,149 0 0
2007-12 0 0 362,243 9,813,256 50,000 443,550
2007-11 0 0 1,384,307 37,492,546 967,391 12,562,687
2007-10 0 0 1,928,862 52,490,445 533,185 4,835,991
2007-09 0 0 9,200,806 235,860,746 97,200 925,198
2007-08 0 0 1,708,978 43,597,709 87,800 837,731
2007-07 1,600 40,160 1,465,054 36,381,494 531,240 5,360,871
2007-05 0 0 329,766 7,034,281 340,000 2,130,500
2007-04 0 0 100,000 2,117,180 100,000 930,500
2007-03 0 0 100,563 2,530,741 0 0
2007-02 0 0 6,109,778 165,274,646 584,218 4,114,690
2007-01 0 0 1,337,794 36,682,233 574,880 4,723,026
2006-12 0 0 350,073 9,415,740 270,000 2,317,050
2006-11 0 0 13,576,735 310,229,760 699,821 5,303,177
2006-10 0 0 495,541 11,170,923 150,000 1,395,750
2006-08 0 0 10,206,101 217,650,524 55,000 532,527
2006-07 0 0 173,382 4,334,550 120,000 986,400
2006-06 0 0 56,583 1,359,848 0 0
2006-05 0 0 22,968,303 530,261,934 320,000 1,554,899
2006-04 0 0 60,000 1,606,600 60,000 493,200
2006-03 0 0 106,510 2,916,963 40,000 413,075
2006-02 0 0 635,790 16,761,930 214,103 1,052,835
2006-01 0 0 32,817,233 840,239,042 855,088 4,005,764
2005-11 0 0 100,000 1,880,000 0 0
2005-08 0 0 311,500,000 5,834,395,000 0 0
2005-05 0 0 44,500,000 833,485,000 0 0
2005-04 0 0 120,000,000 2,214,000,000 0 0
2005-03 0 0 20,000 399,000 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Seagate Technology (STX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-10-27 Pope Charles C (EVP, PLANNING & DEVELOPMT) Sale 11,800 6.93 81,774
2008-08-04 Anderson David Z (VP, Finance Storage Markets) Sale 439 14.92 6,549
2008-07-28 Glembocki Jerry S (Sr. VP Heads and Media Ops) Option Exercise 169,565 2.30 389,999
2008-05-28 Peterson Glen A (Sr. VP, Worldwide Finance) Sale 6,141 21.00 128,961
2008-01-02 Luczo Stephen J (Director) Sale 41,666 25.18 1,049,149
2007-12-28 Hudson William L (Executive VP & General Counsel) Option Exercise 30,000 9.30 279,150
2007-12-26 Luczo Stephen J (Director) Sale 25,000 25.72 643,000
2007-12-24 Watkins William D (CEO) Sale 6,302 26.12 164,608
2007-12-19 Luczo Stephen J (Director) Sale 25,000 26.03 650,661
2007-12-11 Luczo Stephen J (Director) Sale 25,000 27.90 697,500
2007-12-06 Luczo Stephen J (Director) Sale 176,995 27.50 4,868,247
2007-12-05 Luczo Stephen J (Director) Sale 67,280 27.05 1,819,924
2007-12-05 Watkins William D (CEO) Sale 20,000 27.00 540,000
2007-12-05 Watkins William D (CEO) Option Exercise 20,000 8.22 164,400
2007-12-03 Luczo Stephen J (Director) Sale 16,666 25.76 429,316
2007-11-30 Pope Charles C (Executive VP and CFO) Sale 329,214 26.47 8,715,282
2007-11-30 Pope Charles C (Executive VP and CFO) Option Exercise 329,214 21.42 7,051,763
2007-11-30 Hudson William L (Executive VP & General Counsel) Sale 15,000 27.53 412,950
2007-11-30 Hudson William L (Executive VP & General Counsel) Option Exercise 5,000 9.30 46,525
2007-11-30 Marquardt David F (Director) Sale 150,000 25.76 3,863,426
2007-11-29 Pope Charles C (Executive VP and CFO) Sale 207,200 27.07 5,609,629
2007-11-29 Pope Charles C (Executive VP and CFO) Option Exercise 207,200 11.86 2,457,392
2007-11-29 Hudson William L (Executive VP & General Counsel) Sale 85,000 27.03 2,297,762
2007-11-29 Hudson William L (Executive VP & General Counsel) Option Exercise 75,000 9.30 697,875
2007-11-28 Watkins William D (CEO) Sale 6,302 27.00 170,154
2007-11-27 Luczo Stephen J (Director) Sale 25,000 25.33 633,142
2007-11-23 Watkins William D (CEO) Sale 6,302 25.20 158,778
2007-11-21 Luczo Stephen J (Director) Sale 25,000 25.26 631,500
2007-11-13 Luczo Stephen J (Director) Sale 25,000 26.29 657,303
2007-11-07 Luczo Stephen J (Director) Sale 25,000 27.80 695,000
2007-11-02 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 45,000 28.25 1,271,250
2007-11-02 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 25,000 9.30 232,625
2007-11-02 Wickersham David A (Executive VP, COO, President) Sale 97,646 28.25 2,758,499
2007-11-02 O Malley Patrick J (Sr. VP, Finance, Treasurer) Sale 218,478 28.01 6,120,464
2007-11-02 O Malley Patrick J (Sr. VP, Finance, Treasurer) Option Exercise 218,478 2.30 502,499
2007-11-02 Park Chong Sup (Director) Sale 25,000 28.48 712,000
2007-11-02 Park Chong Sup (Director) Option Exercise 25,000 10.14 253,377
2007-11-02 Davidson James (Director) Sale 62,499 28.44 1,777,471
2007-11-02 Davidson James (Director) Option Exercise 62,499 18.50 1,156,231
2007-11-01 Luczo Stephen J (Director) Sale 16,666 27.54 458,981
2007-11-01 Watkins William D (CEO) Sale 20,000 27.45 548,955
2007-11-01 Watkins William D (CEO) Option Exercise 20,000 8.22 164,400
2007-10-31 Luczo Stephen J (Director) Sale 200,000 27.56 5,511,410
2007-10-30 Luczo Stephen J (Director) Sale 25,000 27.30 682,500
2007-10-24 Whitmore Robert W (Chief Technical Officer) Sale 17,500 27.33 478,274
2007-10-24 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 17,500 26.87 470,251
2007-10-24 Wickersham David A (Executive VP, COO, President) Sale 25,000 27.31 682,662
2007-10-24 Luczo Stephen J (Director) Sale 25,000 27.28 682,000
2007-10-24 Glembocki Jerry S (Sr. VP Heads and Media) Sale 265,000 27.23 7,216,652
2007-10-24 Glembocki Jerry S (Sr. VP Heads and Media) Option Exercise 6,250 15.06 94,156
2007-10-23 Luczo Stephen J (Director) Sale 200,000 27.76 5,552,360
2007-10-23 Glembocki Jerry S (Sr. VP Heads and Media) Sale 17,500 27.31 477,853
2007-10-23 Glembocki Jerry S (Sr. VP Heads and Media) Option Exercise 17,500 9.30 162,837
2007-10-23 Watkins William D (CEO) Sale 12,604 27.85 351,010
2007-10-19 Whitmore Robert W (Chief Technical Officer) Sale 164,435 26.99 4,438,100
2007-10-19 Whitmore Robert W (Chief Technical Officer) Option Exercise 164,435 9.12 1,499,921
2007-10-19 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 25,000 27.10 679,115
2007-10-19 Wickersham David A (Executive VP, COO, President) Sale 25,000 26.63 665,750
2007-10-19 Watkins William D (CEO) Sale 350,000 27.05 9,467,815
2007-10-17 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 30,000 26.75 802,500
2007-10-17 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 30,000 9.30 279,150
2007-10-17 Wickersham David A (Executive VP, COO, President) Sale 75,000 27.50 2,062,500
2007-10-17 Wickersham David A (Executive VP, COO, President) Option Exercise 75,000 9.30 697,875
2007-10-17 Luczo Stephen J (Director) Sale 30,725 27.50 844,937
2007-10-16 Luczo Stephen J (Director) Sale 25,000 26.60 665,000
2007-10-10 Wickersham David A (Executive VP, COO, President) Sale 75,000 28.46 2,134,875
2007-10-10 Wickersham David A (Executive VP, COO, President) Option Exercise 75,000 9.30 697,875
2007-10-10 Luczo Stephen J (Director) Sale 25,000 26.45 661,250
2007-10-10 Watkins William D (CEO) Sale 140,000 27.00 3,780,000
2007-10-10 Watkins William D (CEO) Option Exercise 140,000 8.22 1,150,800
2007-10-10 Park Chong Sup (Director) Sale 25,000 27.00 675,000
2007-10-10 Park Chong Sup (Director) Option Exercise 25,000 10.14 253,377
2007-10-02 Luczo Stephen J (Director) Sale 50,000 26.59 1,329,500
2007-10-01 Luczo Stephen J (Director) Sale 33,332 25.66 855,298
2007-09-27 Davidson James (Director) Sale 325,000 26.29 8,552,871
2007-09-26 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 30,000 26.75 802,500
2007-09-26 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 30,000 9.30 279,150
2007-09-26 Luczo Stephen J (Director) Sale 25,000 26.55 663,750
2007-09-26 Davidson James (Director) Sale 138,900 26.52 3,675,476
2007-09-25 Davidson James (Director) Sale 603,295 26.33 15,848,639
2007-09-24 Davidson James (Director) Sale 300,000 25.97 7,762,648
2007-09-21 Davidson James (Director) Sale 471,300 25.60 12,025,044
2007-09-20 Davidson James (Director) Sale 280,800 25.60 7,227,363
2007-09-19 Davidson James (Director) Sale 346,000 25.46 8,796,908
2007-09-18 Luczo Stephen J (Director) Sale 25,000 25.00 625,125
2007-09-18 Davidson James (Director) Sale 439,450 25.10 11,030,195
2007-09-12 Luczo Stephen J (Director) Sale 25,000 25.19 629,750
2007-09-12 Davidson James (Director) Sale 227,450 25.26 5,756,154
2007-09-11 Davidson James (Director) Sale 689,950 25.40 17,487,720
2007-09-10 Davidson James (Director) Sale 193,150 25.30 4,867,574
2007-09-07 Davidson James (Director) Sale 450,000 25.08 11,277,187
2007-09-06 Davidson James (Director) Sale 665,000 25.77 17,137,848
2007-09-05 Davidson James (Director) Sale 66,100 25.46 1,683,016
2007-09-04 Wickersham David A (Executive VP, COO, President) Sale 42,200 25.95 1,095,090
2007-09-04 Wickersham David A (Executive VP, COO, President) Option Exercise 42,200 9.30 392,671
2007-09-04 Luczo Stephen J (Director) Sale 41,666 25.52 1,063,316
2007-09-04 Park Chong Sup (Director) Sale 25,000 26.00 650,000
2007-09-04 Park Chong Sup (Director) Option Exercise 25,000 10.14 253,377
2007-09-04 Davidson James (Director) Sale 371,100 25.97 9,639,938
2007-08-31 Park Chong Sup (Director) Sale 25,000 25.65 641,250
2007-08-31 Park Chong Sup (Director) Option Exercise 25,000 10.14 253,377
2007-08-31 Davidson James (Director) Sale 183,500 25.79 4,716,475
2007-08-30 Davidson James (Director) Sale 230,000 25.74 5,894,680
2007-08-29 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 30,000 25.73 771,900
2007-08-29 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 30,000 9.30 279,150
2007-08-29 Wickersham David A (Executive VP, COO, President) Sale 32,800 25.95 851,160
2007-08-29 Wickersham David A (Executive VP, COO, President) Option Exercise 32,800 9.30 305,204
2007-08-29 Luczo Stephen J (Director) Sale 100,000 25.73 2,573,000
2007-08-29 Davidson James (Director) Sale 263,500 25.63 6,783,472
2007-08-28 Davidson James (Director) Sale 50,000 25.79 1,289,318
2007-08-27 Luczo Stephen J (Director) Sale 116,666 25.05 2,922,249
2007-08-27 Davidson James (Director) Sale 267,010 25.11 6,708,095
2007-07-25 Luczo Stephen J (Director) Sale 42,300 25.01 1,057,782
2007-07-25 Davidson James (Director) Purchase 1,600 25.10 40,160
2007-07-25 Davidson James (Director) Sale 148,400 25.09 3,723,356
2007-07-24 Glembocki Jerry S (Sr. VP Heads and Media) Sale 267,000 24.55 6,556,082
2007-07-24 Glembocki Jerry S (Sr. VP Heads and Media) Option Exercise 236,240 12.18 2,878,584
2007-07-24 Chirico James M (EVP Global Disc Storage Ops) Sale 100,000 24.74 2,473,500
2007-07-24 Chirico James M (EVP Global Disc Storage Ops) Option Exercise 100,000 9.30 930,500
2007-07-23 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 14,000 25.00 350,000
2007-07-23 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 14,000 9.30 130,270
2007-07-23 Luczo Stephen J (Director) Sale 450,409 25.00 11,260,225
2007-07-23 Davidson James (Director) Sale 163,200 25.00 4,080,000
2007-07-20 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 46,000 25.00 1,150,000
2007-07-20 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 46,000 9.30 428,030
2007-07-20 Wickersham David A (Executive VP, COO, President) Sale 75,000 25.00 1,875,000
2007-07-20 Wickersham David A (Executive VP, COO, President) Option Exercise 75,000 5.80 435,187
2007-07-20 Luczo Stephen J (Director) Sale 33,955 25.00 848,875
2007-07-20 Davidson James (Director) Sale 19,790 25.12 497,174
2007-07-19 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 30,000 24.00 720,000
2007-07-19 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 30,000 9.30 279,150
2007-07-19 Wickersham David A (Executive VP, COO, President) Sale 45,000 24.10 1,084,500
2007-07-06 Dexheimer Brian S (EVP, Sales/Mktg Officer) Sale 30,000 23.50 705,000
2007-07-06 Dexheimer Brian S (EVP, Sales/Mktg Officer) Option Exercise 30,000 9.30 279,150
2007-05-30 Chirico James M (EVP Global Disc Storage Ops) Sale 100,000 20.67 2,066,989
2007-05-15 Chirico James M (EVP Global Disc Storage Ops) Sale 100,000 21.70 2,170,310
2007-05-15 Chirico James M (EVP Global Disc Storage Ops) Option Exercise 100,000 9.30 930,500
2007-05-03 Kryder Mark H (SVP, CTO, Research) Sale 1,141 22.17 25,295
2007-05-02 Kryder Mark H (SVP, CTO, Research) Sale 78,625 21.48 1,689,187
2007-05-02 Kryder Mark H (SVP, CTO, Research) Option Exercise 190,000 5.00 950,000
2007-05-01 Kryder Mark H (SVP, CTO, Research) Sale 50,000 21.65 1,082,500
2007-05-01 Kryder Mark H (SVP, CTO, Research) Option Exercise 50,000 5.00 250,000
2007-04-20 Chirico James M (EVP Global Disc Storage Ops) Sale 100,000 21.17 2,117,180
2007-04-20 Chirico James M (EVP Global Disc Storage Ops) Option Exercise 100,000 9.30 930,500
2007-03-21 Luczo Stephen J (Director) Sale 50,000 25.00 1,250,000
2007-03-21 Watkins William D (CEO) Sale 8,897 25.00 222,425
2007-03-06 Luczo Stephen J (Director) Sale 25,000 25.00 625,000
2007-03-01 Luczo Stephen J (Director) Sale 16,666 26.00 433,316
2007-02-28 Luczo Stephen J (Director) Sale 25,000 26.70 667,500
2007-02-28 Marquardt David F (Director) Sale 170,000 27.09 4,604,960

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Seagate Technology (symbol STX, CIK number 1137789) see the Securities and Exchange Commission (SEC) website.

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