Insider Trading activities of Seagate Technology insiders. , Part 4

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Seagate Technology since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Seagate Technology since year 2005. (See page 1 of this report.) 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 $16,677,545.
The total value of stock sales since 2005 is $13,546,675,400.
The total value of stock option exercises since 2005 is $170,964,554.



Table 2. Detailed insider stock purchases, sales, and option exercises of Seagate Technology insiders (STX) , Part 4
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2012-04-18 Mosley William D (EVP, Operations) Option Ex 14,553 26.35 383,471
2012-04-18 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 28.51 570,220
2012-04-18 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-04-16 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 5,000 28.45 142,250
2012-04-16 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 5,000 3.35 16,725
2012-04-16 Mosley William D (EVP, Operations) Sale 35,447 29.00 1,027,963
2012-04-16 Mosley William D (EVP, Operations) Option Ex 35,447 26.35 934,028
2012-04-11 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 25.98 519,620
2012-04-11 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-04-04 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 27.56 551,220
2012-04-04 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-04-02 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 5,000 27.01 135,050
2012-04-02 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 5,000 3.35 16,725
2012-04-02 Luczo Stephen J (Chairman, President and CEO) Sale 500,000 27.29 13,645,000
2012-03-28 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 27.60 551,920
2012-03-28 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-03-21 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 26.66 533,140
2012-03-21 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-03-15 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 5,000 27.41 137,050
2012-03-15 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 5,000 3.35 16,725
2012-03-14 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 28.02 560,480
2012-03-14 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-03-08 Mosley William D (EVP, Operations) Sale 200,000 28.00 5,600,000
2012-03-08 Mosley William D (EVP, Operations) Option Ex 200,000 25.05 5,011,000
2012-03-07 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 27.19 543,760
2012-03-07 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-03-01 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 5,000 26.44 132,200
2012-03-01 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 5,000 3.35 16,725
2012-02-29 Morton David H Jr (VP, FINANCE, TREASURER &PAO) Sale 7,469 27.28 203,784
2012-02-29 Morton David H Jr (VP, FINANCE, TREASURER &PAO) Option Ex 7,469 9.38 70,059
2012-02-29 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 27.21 544,300
2012-02-29 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-02-28 O Malley Patrick J (EVP & Chief Financial Officer) Sale 75,000 26.84 2,013,000
2012-02-28 O Malley Patrick J (EVP & Chief Financial Officer) Option Ex 75,000 15.06 1,129,875
2012-02-22 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 26.60 532,040
2012-02-22 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-02-21 Whitmore Robert W (EVP & Chief Technical Officer) Sale 30,000 27.10 813,000
2012-02-21 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 30,000 4.04 121,350
2012-02-15 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 5,000 26.61 133,050
2012-02-15 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 5,000 3.35 16,725
2012-02-15 Luczo Stephen J (Chairman, President and CEO) Sale 40,000 26.61 1,064,320
2012-02-15 Luczo Stephen J (Chairman, President and CEO) Option Ex 40,000 4.04 161,800
2012-02-13 Richarz David K (Executive Vice President,Sales) Sale 50,521 25.99 1,312,838
2012-02-13 Richarz David K (Executive Vice President,Sales) Option Ex 45,000 3.35 150,525
2012-02-08 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 26.78 535,600
2012-02-08 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-02-07 Marshall Lydia Micheaux (Director) Sale 115,000 26.72 3,072,455
2012-02-07 Marshall Lydia Micheaux (Director) Option Ex 115,000 13.53 1,556,295
2012-02-02 Whitmore Robert W (EVP & Chief Technical Officer) Sale 50,000 25.78 1,289,100
2012-02-02 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 50,000 8.89 444,350
2012-02-01 Morton David H Jr (VP, FINANCE, TREASURER &PAO) Sale 29,167 25.00 729,175
2012-02-01 Morton David H Jr (VP, FINANCE, TREASURER &PAO) Option Ex 29,167 21.73 633,653
2012-02-01 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 5,000 23.68 118,385
2012-02-01 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 5,000 3.35 16,725
2012-02-01 Mosley William D (EVP, Operations) Sale 100,000 23.71 2,371,200
2012-02-01 Mosley William D (EVP, Operations) Option Ex 100,000 7.55 755,500
2012-02-01 Richarz David K (Executive Vice President,Sales) Sale 39,110 24.79 969,654
2012-02-01 Richarz David K (Executive Vice President,Sales) Option Ex 30,000 3.35 100,350
2012-02-01 Luczo Stephen J (Chairman, President and CEO) Sale 520,000 23.94 12,446,720
2012-02-01 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-01-30 Luczo Stephen J (Chairman, President and CEO) Sale 157,537 20.90 3,292,680
2012-01-27 Luczo Stephen J (Chairman, President and CEO) Sale 528,905 20.70 10,946,217
2012-01-26 Luczo Stephen J (Chairman, President and CEO) Sale 1,000 20.00 20,000
2012-01-25 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 19.73 394,540
2012-01-25 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-01-24 Luczo Stephen J (Chairman, President and CEO) Sale 68,842 20.00 1,376,908
2012-01-23 Luczo Stephen J (Chairman, President and CEO) Sale 112,760 20.00 2,255,312
2012-01-20 Mosley William D (EVP, Sales and Marketing) Sale 20,000 20.00 400,000
2012-01-20 Mosley William D (EVP, Sales and Marketing) Option Ex 20,000 4.04 80,900
2012-01-20 Whitmore Robert W (EVP & Chief Technical Officer) Sale 11,943 19.95 238,262
2012-01-20 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 11,943 4.04 48,309
2012-01-20 Luczo Stephen J (Chairman, President and CEO) Sale 630,956 20.01 12,625,429
2012-01-19 Whitmore Robert W (EVP & Chief Technical Officer) Sale 38,057 19.95 759,237
2012-01-19 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 38,057 4.04 153,940
2012-01-18 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 19.43 388,579
2012-01-18 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-01-17 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 20,000 19.60 392,000
2012-01-17 Massaroni Kenneth M (EVP,General Counsel, CAO) Option Ex 20,000 3.35 66,900
2012-01-13 Mosley William D (EVP, Sales and Marketing) Sale 20,000 19.50 390,000
2012-01-13 Mosley William D (EVP, Sales and Marketing) Option Ex 20,000 4.04 80,900
2012-01-12 Mosley William D (EVP, Sales and Marketing) Sale 46,666 19.00 886,654
2012-01-12 Mosley William D (EVP, Sales and Marketing) Option Ex 46,666 8.89 414,720
2012-01-12 Whitmore Robert W (EVP & Chief Technical Officer) Sale 50,000 18.95 947,500
2012-01-12 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 50,000 4.04 202,250
2012-01-11 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 18.62 372,320
2012-01-11 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2012-01-05 Whitmore Robert W (EVP & Chief Technical Officer) Sale 50,000 18.17 908,500
2012-01-05 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 50,000 4.04 202,250
2012-01-05 Luczo Stephen J (Chairman, President and CEO) Sale 100,000 18.17 1,817,000
2012-01-05 Luczo Stephen J (Chairman, President and CEO) Option Ex 100,000 4.04 404,500
2011-11-30 Morton David H Jr (VP, FINANCE, TREASURER &PAO) Sale 17,600 17.11 301,188
2011-11-30 Morton David H Jr (VP, FINANCE, TREASURER &PAO) Option Ex 21,437 7.87 168,730
2011-11-30 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 17.00 340,000
2011-11-30 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2011-11-29 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 17.02 340,400
2011-11-29 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2011-11-16 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 17.02 340,300
2011-11-16 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2011-11-14 Marshall Lydia Micheaux (Director) Sale 7,500 17.62 132,135
2011-11-14 Biondi Frank (Director) Sale 6,000 17.60 105,600
2011-11-11 Whitmore Robert W (EVP & Chief Technical Officer) Sale 14,800 17.54 259,592
2011-11-11 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 14,800 4.04 59,866
2011-11-11 Park Chong Sup (Director) Sale 5,600 17.66 98,873
2011-11-09 Massaroni Kenneth M (EVP,General Counsel, CAO) Sale 1,040 17.73 18,442
2011-11-09 Mosley William D (EVP, Sales and Marketing) Sale 8,000 17.74 141,952
2011-11-09 Richarz David K (Executive Vice President,Sales) Sale 1,990 17.15 34,134
2011-11-09 Whitmore Robert W (EVP & Chief Technical Officer) Sale 7,254 17.56 127,380
2011-11-09 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 17.57 351,340
2011-11-09 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2011-11-08 Whitmore Robert W (EVP & Chief Technical Officer) Sale 85,200 18.03 1,536,156
2011-11-08 Whitmore Robert W (EVP & Chief Technical Officer) Option Ex 85,200 4.04 344,634
2011-11-08 Luczo Stephen J (Chairman, President and CEO) Sale 687,500 17.95 12,342,687
2011-11-08 Luczo Stephen J (Chairman, President and CEO) Option Ex 1,171,567 4.04 4,738,988
2011-11-07 Mosley William D (EVP, Sales and Marketing) Sale 30,833 18.50 570,410
2011-11-07 Mosley William D (EVP, Sales and Marketing) Option Ex 30,833 10.50 323,808
2011-11-04 Mosley William D (EVP, Sales and Marketing) Sale 100,000 18.00 1,800,000
2011-11-04 Mosley William D (EVP, Sales and Marketing) Option Ex 100,000 4.04 404,500
2011-11-02 Luczo Stephen J (Chairman, President and CEO) Sale 300,000 17.00 5,100,000
2011-11-02 Luczo Stephen J (Chairman, President and CEO) Option Ex 300,000 4.04 1,213,500
2011-10-28 Reyes Gregorio (Director) Sale 25,000 16.12 403,099
2011-10-28 Reyes Gregorio (Director) Option Ex 25,000 12.62 315,500
2011-10-21 Marshall Lydia Micheaux (Director) Sale 25,000 13.50 337,500
2011-10-21 Marshall Lydia Micheaux (Director) Option Ex 25,000 12.62 315,500
2011-09-14 Morton David H Jr (VP,FINANCE,TREASURER &PAO) Sale 972 11.76 11,432
2011-09-14 Massaroni Kenneth M (SVP, General Counsel and CAO) Sale 803 11.78 9,459
2011-09-13 Morton David H Jr (VP,FINANCE,TREASURER &PAO) Sale 243 11.31 2,749
2011-08-25 O Malley Patrick J (EVP and CFO) Sale 7,500 10.90 81,780
2011-08-15 O Malley Patrick J (EVP and CFO) Sale 434,414 11.97 5,199,501
2011-08-15 O Malley Patrick J (EVP and CFO) Option Ex 650,000 5.00 3,250,000
2011-07-20 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 17.05 341,000
2011-07-20 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2011-07-14 Luczo Stephen J (Chairman, President and CEO) Sale 20,000 17.00 340,000
2011-07-14 Luczo Stephen J (Chairman, President and CEO) Option Ex 20,000 4.04 80,900
2011-07-07 Luczo Stephen J (Chairman, President and CEO) Sale 80,000 17.00 1,360,000
2011-07-07 Luczo Stephen J (Chairman, President and CEO) Option Ex 80,000 4.04 323,600
2011-04-26 Luczo Stephen J (Chairman, President and CEO) Sale 200,932 18.21 3,659,172
2011-04-26 Luczo Stephen J (Chairman, President and CEO) Option Ex 200,932 5.29 1,061,925
2011-04-25 Morton David H Jr (VP,FINANCE,TREASURER &PAO) Sale 22,044 18.00 396,792
2011-04-25 Morton David H Jr (VP,FINANCE,TREASURER &PAO) Option Ex 29,794 12.30 366,466
2011-04-25 Richarz David K (Executive Vice President,Sales) Sale 52,500 17.97 943,424
2011-04-25 Richarz David K (Executive Vice President,Sales) Option Ex 40,000 3.35 133,800
2011-04-25 Whitmore Robert W (EVP, Chief Technical Officer) Sale 300,000 18.01 5,404,200
2011-04-25 Whitmore Robert W (EVP, Chief Technical Officer) Option Ex 300,000 4.04 1,213,500
2011-04-19 Mosley William D (EVP, Operations) Sale 30,000 18.00 540,000
2011-04-19 Mosley William D (EVP, Operations) Option Ex 30,000 14.40 431,940
2011-04-15 Mosley William D (EVP, Operations) Sale 30,000 17.50 525,000
2011-04-15 Mosley William D (EVP, Operations) Option Ex 30,000 15.06 451,950
2011-04-14 Mosley William D (EVP, Operations) Sale 60,000 16.75 1,005,000
2011-04-14 Mosley William D (EVP, Operations) Option Ex 60,000 15.06 903,900
2011-04-08 Mosley William D (EVP, Operations) Sale 31,128 16.00 498,048

Insider trading activities including stock purchases, stock sales, and option exercises of STX 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.