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Insider Trading: Entegris Inc

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Entegris Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Entegris Inc since year 2005. Table 2 shows the detailed insider transactions of Entegris Inc since 2005. The reporting company's ticker symbol is ENTG. The reporting company's CIK number is 1101302.

The total value of stock buying since 2005 is $175,800. The total value of stock sales is $39,799,433. The total value of stock exercises is $5,387,895.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Entegris Inc (ENTG) 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.

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $2,864k

    $286k

    $28k

    $2k

  • Buy
  • Sale
  • Option Exercise

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

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • $11.93

    $8.95

    $5.97

    $2.98



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Entegris Inc (ENTG).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-08 30,000 175,800 9,065 60,523 0 0
2008-07 0 0 14,761 96,732 0 0
2008-06 0 0 7,858 60,449 0 0
2008-04 0 0 5,210 38,019 0 0
2008-02 0 0 295,191 2,269,320 150,000 472,500
2008-01 0 0 23,213 174,817 0 0
2007-12 0 0 16,150 150,195 0 0
2007-10 0 0 32,238 280,525 0 0
2007-08 0 0 38,205 402,938 31,200 101,580
2007-07 0 0 97,876 1,160,828 36,200 141,168
2007-06 0 0 94,164 1,102,174 36,200 141,779
2007-05 0 0 151,932 1,790,115 88,825 632,394
2007-04 0 0 169,413 1,930,109 102,749 679,487
2007-03 0 0 256,758 2,833,503 31,200 101,580
2007-02 0 0 253,706 2,864,883 236,251 1,881,819
2007-01 0 0 167,401 1,779,837 70,251 331,980
2006-12 0 0 73,337 768,063 30,000 94,500
2006-11 0 0 82,900 916,325 30,000 94,500
2006-10 0 0 140,069 1,580,935 83,099 458,866
2006-09 0 0 164,580 1,802,330 34,580 108,927
2006-07 0 0 11,654 108,563 0 0
2006-06 0 0 2,000 20,000 2,000 11,800
2006-05 0 0 12,000 140,200 12,000 43,300
2006-04 0 0 11,680 121,472 0 0
2006-03 0 0 42,000 460,900 2,000 11,800
2006-02 0 0 2,000 20,900 2,000 11,800
2006-01 0 0 178,464 1,831,935 9,549 68,115
2005-12 0 0 14,940 151,341 0 0
2005-10 0 0 22,053 217,643 0 0
2005-08 0 0 727,200 7,852,786 0 0
2005-07 0 0 9,000 101,340 0 0
2005-06 0 0 200,000 2,002,540 0 0
2005-05 0 0 300,000 2,702,700 0 0
2005-03 0 0 200,000 2,004,493 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Entegris Inc (ENTG)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-08-18 Walcott Peter W (SR V.P. & General Counsel) Sale 9,065 6.68 60,523
2008-08-04 Argov Gideon (Pres & Chief Executive Officer) Purchase 30,000 5.86 175,800
2008-07-16 Walcott Peter W (SR V.P. & General Counsel) Sale 9,228 6.56 60,535
2008-07-03 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,307 6.54 8,553
2008-07-03 Walcott Peter W (SR V.P. & General Counsel) Sale 1,691 6.54 11,061
2008-07-03 Pandraud Jean Marc (Exec VP & COO) Sale 2,535 6.54 16,583
2008-06-16 Walcott Peter W (SR V.P. & General Counsel) Sale 7,858 7.69 60,449
2008-04-03 Graves Gregory B (SR V.P.-CFO) Sale 5,210 7.30 38,019
2008-02-22 Graves Gregory B (SR V.P.-CFO) Sale 691 7.08 4,888
2008-02-01 Dauwalter James E (Director) Sale 150,000 7.76 1,153,776
2008-02-01 Dauwalter James E (Director) Option Exercise 150,000 3.15 472,500
2008-01-23 Murphy John J (Sr. Vice President -HR) Sale 6,330 6.96 44,056
2008-01-23 Graves Gregory B (SR V.P.-CFO) Sale 2,483 6.96 17,281
2008-01-23 Walcott Peter W (SR V.P. & General Counsel) Sale 2,480 6.96 17,260
2008-01-23 Pandraud Jean Marc (Exec VP & COO) Sale 3,495 6.96 24,325
2008-01-03 Walcott Peter W (SR V.P. & General Counsel) Sale 2,105 8.55 18,004
2008-01-03 Loy Bertrand (Exec VP & CAO) Sale 3,160 8.53 26,950
2008-01-03 Pandraud Jean Marc (Exec VP & COO) Sale 3,160 8.53 26,941
2007-12-12 Walcott Peter W (SR V.P. & General Counsel) Sale 4,390 9.30 40,827
2007-12-12 Loy Bertrand (Exec VP & CAO) Sale 5,770 9.30 53,661
2007-12-12 Pandraud Jean Marc (Exec VP & COO) Sale 5,990 9.30 55,707
2007-10-25 Goodman John B (SR V.P. - Tech. & Innovation) Sale 484 8.13 3,934
2007-10-18 Goodman John B (SR V.P. - Tech. & Innovation) Sale 794 8.43 6,693
2007-10-18 Graves Gregory B (SR V.P.-CFO) Sale 5,677 8.43 47,876
2007-10-03 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,308 8.77 11,467
2007-10-03 Graves Gregory B (SR V.P.-CFO) Sale 16,460 8.79 144,671
2007-10-03 Walcott Peter W (SR V.P. & General Counsel) Sale 1,680 8.77 14,728
2007-10-03 Loy Bertrand (Exec VP & CAO) Sale 3,315 8.77 29,063
2007-10-03 Pandraud Jean Marc (Exec VP & COO) Sale 2,520 8.77 22,093
2007-08-23 Walcott Peter W (SR V.P. & General Counsel) Sale 7,005 9.08 63,605
2007-08-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,200 10.73 12,876
2007-08-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 1,200 5.90 7,080
2007-08-01 Dauwalter James E (Director) Sale 30,000 10.88 326,457
2007-08-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-07-05 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,332 11.96 15,930
2007-07-05 Graves Gregory B (SR V.P.-CFO) Sale 2,000 11.96 23,920
2007-07-05 Loy Bertrand (Exec VP & CAO) Sale 3,400 11.96 40,664
2007-07-05 Pandraud Jean Marc (Exec VP & COO) Sale 2,585 11.96 30,916
2007-07-05 Villas John D (Other) Sale 2,134 11.96 25,522
2007-07-03 Goodman John B (SR V.P. - Tech. & Innovation) Sale 3,229 12.00 38,748
2007-07-03 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 3,229 8.04 25,961
2007-07-03 Walcott Peter W (SR V.P. & General Counsel) Sale 1,725 11.92 20,562
2007-07-02 Goodman John B (SR V.P. - Tech. & Innovation) Sale 2,971 11.96 35,518
2007-07-02 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 2,971 6.97 20,707
2007-07-02 Dauwalter James E (Director) Sale 55,000 11.84 651,578
2007-07-02 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-06-29 Villas John D (Other) Sale 6,236 12.15 75,767
2007-06-28 Goodman John B (SR V.P. - Tech. & Innovation) Sale 5,000 12.00 60,000
2007-06-28 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 5,000 8.04 40,199
2007-06-28 Villas John D (Other) Sale 6,236 12.05 75,143
2007-06-11 Villas John D (Other) Sale 20,492 11.80 241,703
2007-06-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,200 11.57 13,884
2007-06-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 1,200 5.90 7,080
2007-06-01 Dauwalter James E (Director) Sale 55,000 11.56 635,677
2007-06-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-05-29 Villas John D (Other) Sale 4,282 11.50 49,243
2007-05-03 Loy Bertrand (Exec VP & CAO) Sale 1,692 12.03 20,354
2007-05-02 Goodman John B (SR V.P. - Tech. & Innovation) Sale 13,501 12.02 162,282
2007-05-02 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 13,501 8.04 108,548
2007-05-02 Loy Bertrand (Exec VP & CAO) Sale 42,432 12.01 509,778
2007-05-02 Loy Bertrand (Exec VP & CAO) Option Exercise 44,124 9.57 422,266
2007-05-02 Villas John D (SR V.P. & CFO) Sale 3,825 12.02 45,976
2007-05-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,200 11.65 13,980
2007-05-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 1,200 5.90 7,080
2007-05-01 Dauwalter James E (Director) Sale 55,000 11.61 638,876
2007-05-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-04-26 Goodman John B (SR V.P. - Tech. & Innovation) Sale 2,016 12.00 24,192
2007-04-26 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 2,016 8.04 16,208
2007-04-26 Loy Bertrand (Exec VP & CAO) Sale 10,469 12.00 125,628
2007-04-26 Loy Bertrand (Exec VP & CAO) Option Exercise 10,469 8.35 87,416
2007-04-26 Villas John D (SR V.P. & CFO) Sale 908 12.00 10,896
2007-04-25 Goodman John B (SR V.P. - Tech. & Innovation) Sale 9,483 12.00 113,796
2007-04-25 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 9,483 8.04 76,243
2007-04-25 Loy Bertrand (Exec VP & CAO) Sale 49,281 12.00 591,372
2007-04-25 Loy Bertrand (Exec VP & CAO) Option Exercise 49,281 8.01 394,740
2007-04-25 Villas John D (SR V.P. & CFO) Sale 4,567 12.00 54,804
2007-04-25 Villas John D (SR V.P. & CFO) Option Exercise 300 11.00 3,300
2007-04-04 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,317 10.97 14,447
2007-04-04 Graves Gregory B (SR V.P.-CFO) Sale 2,000 10.97 21,940
2007-04-04 Walcott Peter W (SR V.P. & General Counsel) Sale 1,690 10.97 18,539
2007-04-04 Loy Bertrand (Exec VP & CAO) Sale 2,540 10.97 27,863
2007-04-04 Pandraud Jean Marc (Exec VP & COO) Sale 2,540 10.97 27,863
2007-04-04 Villas John D (SR V.P. & CFO) Sale 1,756 10.97 19,263
2007-04-03 Dauwalter James E (Director) Sale 49,646 11.01 546,602
2007-04-02 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,200 10.71 12,852
2007-04-02 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 1,200 5.90 7,080
2007-04-02 Dauwalter James E (Director) Sale 30,000 10.67 320,052
2007-04-02 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-03-22 Dauwalter James E (Director) Sale 708 11.02 7,802
2007-03-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,200 10.99 13,188
2007-03-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 1,200 5.90 7,080
2007-03-01 Dauwalter James E (Director) Sale 128,898 11.05 1,422,699
2007-03-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-02-26 Goodman John B (SR V.P. - Tech. & Innovation) Sale 4,251 11.74 49,911
2007-02-26 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 4,251 5.90 25,080
2007-02-23 Murphy John J (Sr. Vice President -HR) Sale 1,455 11.80 17,169
2007-02-23 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 16,000 11.88 190,080
2007-02-21 Villas John D (SR V.P. & CFO) Sale 8,803 11.65 102,554
2007-02-21 Villas John D (SR V.P. & CFO) Option Exercise 8,803 9.63 84,772
2007-02-20 Villas John D (SR V.P. & CFO) Sale 17,499 11.50 201,238
2007-02-20 Villas John D (SR V.P. & CFO) Option Exercise 17,499 8.38 146,641
2007-02-16 Villas John D (SR V.P. & CFO) Sale 174,131 11.28 1,963,810
2007-02-16 Villas John D (SR V.P. & CFO) Option Exercise 174,131 8.72 1,518,228
2007-02-15 Villas John D (SR V.P. & CFO) Sale 1,567 11.10 17,393
2007-02-15 Villas John D (SR V.P. & CFO) Option Exercise 1,567 8.04 12,598
2007-02-01 Dauwalter James E (Director) Sale 30,000 10.76 322,728
2007-02-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2007-01-23 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 2,192 10.39 22,774
2007-01-23 Walcott Peter W (SR V.P. & General Counsel) Sale 2,132 10.39 22,151
2007-01-23 Loy Bertrand (Exec VP & CAO) Sale 3,003 10.39 31,201
2007-01-23 Pandraud Jean Marc (Exec VP & COO) Sale 3,203 10.39 33,279
2007-01-22 Murphy John J (Sr. Vice President -HR) Sale 5,686 10.38 59,020
2007-01-22 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,472 10.38 15,279
2007-01-22 Villas John D (SR V.P. & CFO) Sale 2,062 10.38 21,403
2007-01-11 Dauwalter James E (Director) Sale 25,000 11.03 275,700
2007-01-04 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,567 10.61 16,625
2007-01-04 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 7,299 9.38 64,573
2007-01-04 Walcott Peter W (SR V.P. & General Counsel) Sale 2,035 10.61 21,591
2007-01-04 Loy Bertrand (Exec VP & CAO) Sale 3,050 10.61 32,360
2007-01-04 Pandraud Jean Marc (Exec VP & COO) Sale 3,050 10.61 32,360
2007-01-04 Villas John D (SR V.P. & CFO) Sale 2,089 10.61 22,164
2007-01-03 Villas John D (SR V.P. & CFO) Sale 40,251 10.90 438,735
2007-01-03 Villas John D (SR V.P. & CFO) Option Exercise 40,251 5.90 237,480
2007-01-03 Dauwalter James E (Director) Sale 30,000 10.89 324,523
2007-01-03 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2006-12-12 Walcott Peter W (SR V.P. & General Counsel) Sale 4,409 10.77 47,484
2006-12-12 Loy Bertrand (Exec VP & CAO) Sale 4,409 10.77 47,484
2006-12-12 Pandraud Jean Marc (Exec VP & COO) Sale 6,019 10.77 64,824
2006-12-01 Dauwalter James E (Director) Sale 30,000 10.54 312,147
2006-12-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2006-11-01 Dauwalter James E (Director) Sale 55,000 11.08 609,522
2006-11-01 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2006-10-25 Goodman John B (SR V.P. - Tech. & Innovation) Sale 475 11.21 5,324
2006-10-18 Goodman John B (SR V.P. - Tech. & Innovation) Sale 782 11.72 9,166
2006-10-16 Villas John D (SR V.P. & CFO) Sale 10,750 11.98 128,785
2006-10-16 Villas John D (SR V.P. & CFO) Option Exercise 10,750 5.90 63,425
2006-10-13 Pandraud Jean Marc (Exec VP & COO) Sale 20,850 11.75 244,987
2006-10-13 Pandraud Jean Marc (Exec VP & COO) Option Exercise 20,850 8.35 174,097
2006-10-13 Villas John D (SR V.P. & CFO) Sale 10,750 11.74 126,205
2006-10-13 Villas John D (SR V.P. & CFO) Option Exercise 10,750 5.90 63,425
2006-10-11 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 10,000 11.50 115,000
2006-10-11 Villas John D (SR V.P. & CFO) Sale 19,749 11.51 227,310
2006-10-11 Villas John D (SR V.P. & CFO) Option Exercise 10,749 5.90 63,419
2006-10-03 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,336 10.58 14,134
2006-10-03 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 1,781 10.58 18,842
2006-10-03 Walcott Peter W (SR V.P. & General Counsel) Sale 1,705 10.58 18,038
2006-10-03 Loy Bertrand (Exec VP & CAO) Sale 2,555 10.58 27,031
2006-10-03 Pandraud Jean Marc (Exec VP & COO) Sale 2,555 10.58 27,031
2006-10-03 Villas John D (SR V.P. & CFO) Sale 1,781 10.58 18,842
2006-10-02 Dauwalter James E (Director) Sale 55,000 10.91 600,240
2006-10-02 Dauwalter James E (Director) Option Exercise 30,000 3.15 94,500
2006-09-13 Dauwalter James E (Director) Sale 34,580 10.92 377,630
2006-09-13 Dauwalter James E (Director) Option Exercise 34,580 3.15 108,927
2006-09-12 Dauwalter James E (Director) Sale 100,000 11.02 1,102,500
2006-09-08 Goodman John B (SR V.P. - Tech. & Innovation) Sale 20,000 10.74 214,800
2006-07-05 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,317 9.32 12,268
2006-07-05 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 1,756 9.32 16,358
2006-07-05 Walcott Peter W (SR V.P. & General Counsel) Sale 1,705 9.32 15,883
2006-07-05 Loy Bertrand (Exec VP & CAO) Sale 2,560 9.32 23,848
2006-07-05 Pandraud Jean Marc (Exec VP & COO) Sale 2,560 9.32 23,848
2006-07-05 Villas John D (SR V.P. & CFO) Sale 1,756 9.32 16,358
2006-06-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 2,000 10.00 20,000
2006-06-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 2,000 5.90 11,800
2006-05-10 Villas John D (SR V.P. & CFO) Sale 10,000 11.98 119,800
2006-05-10 Villas John D (SR V.P. & CFO) Option Exercise 10,000 3.15 31,500
2006-05-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 2,000 10.20 20,400
2006-05-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 2,000 5.90 11,800
2006-04-04 Goodman John B (SR V.P. - Tech. & Innovation) Sale 1,320 10.40 13,728
2006-04-04 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 1,760 10.40 18,304
2006-04-04 Walcott Peter W (SR V.P. & General Counsel) Sale 1,710 10.40 17,784
2006-04-04 Loy Bertrand (Exec VP & CAO) Sale 2,565 10.40 26,676
2006-04-04 Pandraud Jean Marc (Exec VP & COO) Sale 2,565 10.40 26,676
2006-04-04 Villas John D (SR V.P. & CFO) Sale 1,760 10.40 18,304
2006-03-14 Graves Gregory B (SR V.P.-Strat.Planning/Bus.Dev) Sale 15,000 11.00 165,000
2006-03-14 Dauwalter James E (Director) Sale 25,000 11.00 275,000
2006-03-01 Goodman John B (SR V.P. - Tech. & Innovation) Sale 2,000 10.45 20,900
2006-03-01 Goodman John B (SR V.P. - Tech. & Innovation) Option Exercise 2,000 5.90 11,800
2006-02-01 Goodman John B (Innovation) Sale 2,000 10.45 20,900
2006-02-01 Goodman John B (Innovation) Option Exercise 2,000 5.90 11,800
2006-01-27 Graves Gregory B (SR V.P.-Strat.Planni) Sale 12,000 11.00 132,000
2006-01-26 Pyle Thomas O (Director) Sale 7,549 11.00 83,039
2006-01-26 Pyle Thomas O (Director) Option Exercise 7,549 7.46 56,315
2006-01-24 Dauwalter James E (CEO, President) Sale 15,000 10.76 161,475
2006-01-23 Goodman John B (Innovation) Sale 8,715 10.40 90,592
2006-01-19 Goodman John B (Innovation) Sale 30,000 11.00 330,150
2006-01-19 Villas John D (SR V.P. & CFO) Sale 5,045 10.99 55,444
2006-01-17 Goodman John B (Innovation) Sale 10,060 10.63 106,937
2006-01-12 Villas John D (SR V.P. & CFO) Sale 4,800 10.99 52,752
2006-01-05 Goodman John B (Innovation) Sale 2,000 10.00 20,000
2006-01-05 Goodman John B (Innovation) Option Exercise 2,000 5.90 11,800
2006-01-04 Goodman John B (Innovation) Sale 9,417 9.60 90,393
2006-01-04 Graves Gregory B (SR V.P.-Strat.Planni) Sale 12,556 9.60 120,525
2006-01-04 Walcott Peter W (General Counsel) Sale 12,190 9.60 117,011
2006-01-04 Loy Bertrand (CAO) Sale 18,288 9.60 175,546
2006-01-04 Pandraud Jean Marc (COO) Sale 18,288 9.60 175,546
2006-01-04 Villas John D (SR V.P. & CFO) Sale 12,556 9.60 120,525
2005-12-12 Walcott Peter W (General Counsel) Sale 4,440 10.13 44,977
2005-12-12 Loy Bertrand (CAO) Sale 4,440 10.13 44,977
2005-12-12 Pandraud Jean Marc (COO) Sale 6,060 10.13 61,387
2005-10-25 Goodman John B (Innovation) Sale 477 9.65 4,603
2005-10-18 Goodman John B (Innovation) Sale 800 9.87 7,899
2005-10-18 Geyer Stan (Other) Sale 9,034 9.87 89,201
2005-10-18 Dauwalter James E (CEO, President) Sale 11,742 9.87 115,940
2005-08-17 Wcb Holdings Llc (10% Owner) Sale 180,000 10.58 1,904,400
2005-08-16 Wcb Holdings Llc (10% Owner) Sale 44,000 10.62 467,368
2005-08-15 Wcb Holdings Llc (10% Owner) Sale 276,000 10.97 3,010,446
2005-07-20 Dauwalter James E (CEO, President) Sale 9,000 11.26 101,340
2005-06-13 Wcb Holdings Llc (10% Owner) Sale 94,100 10.03 943,540
2005-06-10 Wcb Holdings Llc (10% Owner) Sale 105,900 10.00 1,059,000
2005-05-16 Wcb Holdings Llc (10% Owner) Sale 300,000 9.01 2,702,700
2005-03-23 Wcb Holdings Llc (10% Owner) Sale 118,300 10.00 1,183,000
2005-03-18 Wcb Holdings Llc (10% Owner) Sale 81,700 10.06 821,493

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 Entegris Inc (symbol ENTG, CIK number 1101302) see the Securities and Exchange Commission (SEC) website.

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