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Insider Trading: CABOT CORP

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of CABOT CORP since year 2005 are given in the first table. The second table lists detailed insider transactions reported by CABOT CORP since 2005. The reporting company's ticker symbol is CBT. The reporting company's CIK number is 16040. The total value of stock buying during this period is $145,087,091. The total value of stock sales is $20,612,251. The total value of stock exercises is $2,456,000.

Figure 1. Monthly insider transaction values at CABOT CORP (CBT) 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.

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  • 07

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  • 01 2007

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  • 06

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  • 01 2008

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  • 05

  • $36,184k

    $3,618k

    $361k

    $36k

  • Buy
  • Sale
  • Option Exercise

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

  • 06

  • 07

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  • 01 2007

  • 02

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  • 01 2008

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  • $47.91

    $35.93

    $23.95

    $11.98



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for CABOT CORP (CBT).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-02 8,000 225,680 0 0 0 0
2008-01 559,800 17,653,462 0 0 0 0
2007-12 1,086,242 36,184,692 0 0 0 0
2007-06 0 0 271,481 13,000,559 0 0
2007-04 109,000 5,001,051 0 0 0 0
2007-01 0 0 1,000 43,456 0 0
2006-12 0 0 9,500 399,161 0 0
2006-11 0 0 111,800 4,763,078 90,000 2,456,000
2006-08 174,000 5,434,412 0 0 0 0
2006-07 327,900 10,455,142 0 0 0 0
2006-06 54,800 1,785,065 11,100 370,970 0 0
2006-02 54,200 2,001,968 0 0 0 0
2006-01 308,350 11,573,879 0 0 0 0
2005-12 186,100 6,594,639 4,000 139,280 0 0
2005-11 1,350,800 42,444,559 4,000 130,020 0 0
2005-10 169,800 5,497,026 0 0 0 0
2005-09 0 0 2,000 63,160 0 0
2005-08 28 976 12,335 417,535 0 0
2005-06 8,000 234,540 37,647 1,211,002 0 0
2005-05 0 0 2,662 74,030 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for CABOT CORP (CBT)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-02-29 Prevost Patrick M. (President and CEO) Purchase 8,000 28.21 225,680
2008-01-14 Patterson William J (10% Owner) Purchase 24,100 31.69 765,394
2008-01-11 Patterson William J (10% Owner) Purchase 25,800 30.88 800,382
2008-01-10 Patterson William J (10% Owner) Purchase 43,900 30.61 1,342,049
2008-01-09 Patterson William J (10% Owner) Purchase 48,700 30.71 1,494,735
2008-01-08 Patterson William J (10% Owner) Purchase 33,900 31.35 1,065,008
2008-01-04 Patterson William J (10% Owner) Purchase 10,600 31.91 337,493
2008-01-03 Patterson William J (10% Owner) Purchase 62,500 31.86 1,986,036
2008-01-02 Patterson William J (10% Owner) Purchase 97,400 32.85 3,206,023
2007-12-31 Patterson William J (10% Owner) Purchase 99,000 33.47 3,315,862
2007-12-28 Patterson William J (10% Owner) Purchase 70,200 33.55 2,363,538
2007-12-27 Patterson William J (10% Owner) Purchase 56,100 33.30 1,872,807
2007-12-26 Patterson William J (10% Owner) Purchase 15,300 33.62 514,318
2007-12-24 Patterson William J (10% Owner) Purchase 20,100 33.30 669,787
2007-12-21 Patterson William J (10% Owner) Purchase 25,000 33.38 834,565
2007-12-20 Patterson William J (10% Owner) Purchase 87,200 33.08 2,887,555
2007-12-19 Patterson William J (10% Owner) Purchase 82,600 33.32 2,745,725
2007-12-18 Patterson William J (10% Owner) Purchase 31,500 32.89 1,034,313
2007-12-17 Patterson William J (10% Owner) Purchase 60,800 32.68 1,989,430
2007-12-14 Patterson William J (10% Owner) Purchase 84,900 33.82 2,870,844
2007-12-13 Patterson William J (10% Owner) Purchase 34,400 34.00 1,169,428
2007-06-19 Kelly James Patrick (Controller) Sale 1,000 48.00 48,000
2007-06-18 Burnes Kennett F (Chairman, CEO and President) Sale 94,365 47.81 4,519,287
2007-06-15 Kelly James Patrick (Controller) Sale 150 48.00 7,200
2007-06-15 Paintal Ravijit (Vice President) Sale 14,021 47.94 672,236
2007-06-15 Kaji Gautam S (Director) Sale 5,200 48.01 249,669
2007-06-15 Brady William J (Executive Vice President) Sale 30,000 48.03 1,440,800
2007-06-14 Kelly James Patrick (Controller) Sale 700 48.00 33,600
2007-06-14 Berube Brian A (Vice President,General Counsel) Sale 13,480 47.78 644,021
2007-06-14 Cordeiro Eduardo E (Vice President) Sale 20,000 47.62 952,346
2007-04-30 Oberndorf William E (10% Owner) Purchase 34,300 45.62 1,564,851
2007-04-27 Oberndorf William E (10% Owner) Purchase 74,700 46.00 3,436,200
2007-01-30 Kelly James Patrick (Controller) Sale 1,000 43.46 43,456
2006-12-06 Cordeiro Eduardo E (Vice President) Sale 3,800 42.00 159,619
2006-12-05 Cordeiro Eduardo E (Vice President) Sale 5,700 42.02 239,542
2006-11-27 Mcarthur John H (Director) Sale 4,800 41.79 200,583
2006-11-10 Brady William J (Executive Vice President) Sale 65,000 42.88 2,786,875
2006-11-10 Brady William J (Executive Vice President) Option Exercise 50,000 28.00 1,400,000
2006-11-07 Blevi Dirk (Executive Vice President) Sale 35,000 42.30 1,480,570
2006-11-07 Blevi Dirk (Executive Vice President) Option Exercise 40,000 26.40 1,056,000
2006-11-07 Berube Brian A (Vice President,General Counsel) Sale 7,000 42.15 295,050
2006-08-04 Patterson William J (10% Owner) Purchase 128,000 31.24 4,001,155
2006-07-24 Patterson William J (10% Owner) Purchase 14,900 31.96 476,204
2006-07-21 Patterson William J (10% Owner) Purchase 91,000 31.76 2,888,122
2006-07-18 Patterson William J (10% Owner) Purchase 124,800 31.94 3,989,401
2006-07-17 Patterson William J (10% Owner) Purchase 40,700 31.92 1,299,347
2006-07-14 Patterson William J (10% Owner) Purchase 3,000 31.97 95,912
2006-06-29 Patterson William J (10% Owner) Purchase 20,300 33.55 681,065
2006-06-28 Blevi Dirk (Executive Vice President) Sale 10,000 33.50 335,000
2006-06-23 Kelly James Patrick (Controller) Sale 1,100 32.70 35,970
2006-06-20 Patterson William J (10% Owner) Purchase 34,500 32.00 1,104,000
2006-02-15 William Ernst Oberndorf Trust (10% Owner) Purchase 15,000 37.32 559,800
2006-02-10 Oberndorf Family Partners (10% Owner) Purchase 39,200 36.79 1,442,168
2006-01-10 Oberndorf William E (10% Owner) Purchase 23,650 37.49 886,638
2006-01-09 Oberndorf William E (10% Owner) Purchase 100,600 37.41 3,768,910
2006-01-06 Oberndorf William E (10% Owner) Purchase 84,100 37.72 3,171,831
2005-12-21 Oberndorf William E (10% Owner) Purchase 186,100 35.44 6,594,639
2005-12-16 Gormisky Paul J (Vice President) Sale 4,000 34.82 139,280
2005-11-18 Spo Partners Ii Lp (10% Owner) Purchase 104,200 33.95 3,537,590
2005-11-15 Gormisky Paul J (Vice President) Sale 4,000 32.50 130,020
2005-11-11 Spo Partners Ii Lp (10% Owner) Purchase 80,600 32.09 2,581,688
2005-11-10 Spo Partners Ii Lp (10% Owner) Purchase 50,100 31.39 1,573,197
2005-11-07 Spo Partners Ii Lp (10% Owner) Purchase 471,500 31.16 14,652,595
2005-11-04 Spo Partners Ii Lp (10% Owner) Purchase 450,000 31.17 13,972,334
2005-10-27 Spo Partners Ii Lp (10% Owner) Purchase 34,500 32.45 1,119,456
2005-10-26 Spo Partners Ii Lp (10% Owner) Purchase 93,200 32.67 3,044,937
2005-10-21 Oberndorf William E (10% Owner) Purchase 42,100 31.65 1,332,633
2005-09-29 Enriquez Cabot Juan (Director) Sale 2,000 31.58 63,160
2005-08-12 Cordeiro Eduardo E (Vice President) Sale 8,735 33.76 294,937
2005-08-03 Mcarthur John H (Director) Sale 3,600 34.06 122,598
2005-08-01 Shaw John A (Executive Vice Presi) Purchase 28 34.87 976
2005-06-28 Brady William J (Executive Vice Presi) Sale 29,359 32.00 939,488
2005-06-17 Berube Brian A (Vice President,Gener) Sale 8,288 32.76 271,514
2005-06-07 Macleod Roderick (Director) Purchase 4,000 29.28 117,120
2005-06-07 Wrighton Mark S (Director) Purchase 2,000 29.43 58,860
2005-05-17 Enriquez Cabot Juan (Director) Sale 2,662 27.81 74,030

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 CABOT CORP (symbol CBT, CIK number 16040) see the Securities and Exchange Commission (SEC) website.

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