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Insider Trading: Exponent Inc

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Exponent Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Exponent Inc since year 2005. Table 2 shows the detailed insider transactions of Exponent Inc since 2005. The reporting company's ticker symbol is EXPO. The reporting company's CIK number is 851520.

The total value of stock buying since 2005 is $0. The total value of stock sales is $34,098,158. The total value of stock exercises is $5,909,247.


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

  • 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

  • 11

  • $7,951k

    $795k

    $79k

    $7k

  • Buy
  • Sale
  • Option Exercise

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

  • 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

  • 11

  • $35.74

    $26.81

    $17.87

    $8.94



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Exponent Inc (EXPO).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-11 0 0 19,483 554,999 7,463 47,669
2008-10 0 0 7,822 228,402 20,000 57,500
2008-08 0 0 80,624 2,561,922 78,974 434,307
2008-07 0 0 54,089 1,572,935 0 0
2008-05 0 0 47,432 1,601,199 18,611 45,482
2008-04 0 0 123,984 4,417,245 1,600 8,050
2008-03 0 0 0 0 74,920 0
2008-02 0 0 259,961 7,951,170 401,685 1,850,468
2007-12 0 0 0 0 4,081 11,987
2007-11 0 0 4,500 136,170 4,500 16,242
2007-10 0 0 56,130 1,576,728 56,130 164,880
2007-09 0 0 0 0 22,000 82,500
2007-08 0 0 20,000 485,800 20,000 75,000
2007-07 0 0 116,400 2,755,122 112,500 523,071
2007-05 0 0 9,700 204,553 79,613 261,074
2007-04 0 0 108,922 2,438,836 108,922 495,658
2007-02 0 0 165,174 3,001,536 179,852 814,752
2006-11 0 0 137,769 2,491,837 0 0
2006-10 0 0 0 0 12,000 36,750
2006-04 0 0 11,736 383,462 11,736 179,541
2006-02 0 0 39,514 1,293,594 78,514 804,316
2005-05 0 0 13,276 319,798 0 0
2005-04 0 0 5,000 122,850 0 0

Table 2. Detailed insider stock purchases, sales, and option exercises for Exponent Inc (EXPO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-11-20 Riggins Stephen C (Director) Sale 2,020 26.03 52,580
2008-11-20 Caligiuri Robert D (Group Vice President) Sale 2,500 27.00 67,500
2008-11-14 Gaulke Michael R (Chairman & CEO) Sale 6,858 29.01 198,936
2008-11-14 Gaulke Michael R (Chairman & CEO) Option Exercise 6,858 6.39 43,805
2008-11-14 Malladi Subbaiah V (Chief Technical Officer) Sale 2,500 29.05 72,631
2008-11-13 Gaulke Michael R (Chairman & CEO) Sale 605 29.34 17,752
2008-11-13 Gaulke Michael R (Chairman & CEO) Option Exercise 605 6.39 3,864
2008-11-13 Malladi Subbaiah V (Chief Technical Officer) Sale 5,000 29.12 145,600
2008-10-31 Malladi Subbaiah V (Chief Technical Officer) Sale 7,822 29.20 228,402
2008-10-23 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 20,000 2.88 57,500
2008-08-18 Gaulke Michael R (Chairman & CEO) Sale 4,912 31.05 152,504
2008-08-18 Gaulke Michael R (Chairman & CEO) Option Exercise 4,912 6.39 31,375
2008-08-15 Gaulke Michael R (Chairman & CEO) Sale 7,700 31.36 241,461
2008-08-15 Gaulke Michael R (Chairman & CEO) Option Exercise 7,700 6.39 49,183
2008-08-14 Gaulke Michael R (Chairman & CEO) Sale 24,000 31.95 763,755
2008-08-14 Gaulke Michael R (Chairman & CEO) Option Exercise 24,000 6.06 137,839
2008-08-13 Gaulke Michael R (Chairman & CEO) Sale 7,300 31.75 231,767
2008-08-13 Gaulke Michael R (Chairman & CEO) Option Exercise 7,300 5.09 37,184
2008-08-12 Gaulke Michael R (Chairman & CEO) Sale 17,000 31.93 542,874
2008-08-12 Gaulke Michael R (Chairman & CEO) Option Exercise 17,000 5.09 86,594
2008-08-11 Gaulke Michael R (Chairman & CEO) Sale 13,341 32.18 429,280
2008-08-11 Gaulke Michael R (Chairman & CEO) Option Exercise 13,341 5.09 67,956
2008-08-08 Gaulke Michael R (Chairman & CEO) Sale 4,621 31.64 146,205
2008-08-08 Gaulke Michael R (Chairman & CEO) Option Exercise 4,621 5.09 23,538
2008-08-05 Moalli John E (Group Vice President) Sale 1,650 30.83 50,869
2008-07-30 Gaulke Michael R (Chairman & CEO) Sale 12,634 29.84 377,001
2008-07-29 Gaulke Michael R (Chairman & CEO) Sale 17,010 29.40 500,090
2008-07-28 Gaulke Michael R (Chairman & CEO) Sale 24,445 28.47 695,844
2008-05-28 Riggins Stephen C (Director) Option Exercise 2,020 .00 0
2008-05-28 Katzenbach Jon R (Director) Option Exercise 2,020 .00 0
2008-05-28 Armacost Samuel H (Director) Option Exercise 2,020 .00 0
2008-05-14 Moalli John E (Group Vice President) Sale 4,355 30.80 134,126
2008-05-05 Gaulke Michael R (Chairman & CEO) Sale 12,390 34.46 426,960
2008-05-05 Gaulke Michael R (Chairman & CEO) Option Exercise 8,929 5.09 45,482
2008-05-02 Gaulke Michael R (Chairman & CEO) Sale 17,671 33.75 596,405
2008-05-01 Gaulke Michael R (Chairman & CEO) Sale 13,016 34.09 443,708
2008-05-01 Barrett Barbara M (Director) Option Exercise 3,622 .00 0
2008-04-30 Gaulke Michael R (Chairman & CEO) Sale 13,956 34.53 481,872
2008-04-29 Gaulke Michael R (Chairman & CEO) Sale 15,000 34.77 521,523
2008-04-28 Gaulke Michael R (Chairman & CEO) Sale 12,761 35.41 451,840
2008-04-25 Gaulke Michael R (Chairman & CEO) Sale 13,422 35.47 476,024
2008-04-24 Gaulke Michael R (Chairman & CEO) Sale 14,632 35.92 525,603
2008-04-23 Gaulke Michael R (Chairman & CEO) Sale 14,413 35.77 515,514
2008-04-22 Gaulke Michael R (Chairman & CEO) Sale 14,377 36.05 518,257
2008-04-21 Gaulke Michael R (Chairman & CEO) Sale 18,823 36.52 687,412
2008-04-18 Caligiuri Robert D (Group Vice President) Sale 5,000 36.00 180,000
2008-04-17 Schlenker Richard L Jr (Chief Financial Officer) Sale 1,600 37.00 59,200
2008-04-17 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 1,600 5.03 8,050
2008-03-12 Osteraas John (Group Vice President) Option Exercise 2,288 .00 0
2008-03-12 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 5,628 .00 0
2008-03-12 Moalli John E (Group Vice President) Option Exercise 9,496 .00 0
2008-03-12 Gaulke Michael R (Chairman & CEO) Option Exercise 31,652 .00 0
2008-03-12 Caligiuri Robert D (Group Vice President) Option Exercise 10,552 .00 0
2008-03-12 Johnston Paul R (President & COO) Option Exercise 7,388 .00 0
2008-03-12 Malladi Subbaiah V (Chief Technical Officer) Option Exercise 7,916 .00 0
2008-02-29 Gaulke Michael R (Chairman & CEO) Sale 100 30.00 3,000
2008-02-29 Gaulke Michael R (Chairman & CEO) Option Exercise 100 5.09 509
2008-02-28 Gaulke Michael R (Chairman & CEO) Sale 1,151 30.08 34,621
2008-02-28 Gaulke Michael R (Chairman & CEO) Option Exercise 1,151 5.09 5,862
2008-02-27 Gaulke Michael R (Chairman & CEO) Sale 6,826 30.17 205,962
2008-02-27 Gaulke Michael R (Chairman & CEO) Option Exercise 6,826 5.09 34,770
2008-02-26 Gaulke Michael R (Chairman & CEO) Sale 9,543 30.09 287,112
2008-02-26 Gaulke Michael R (Chairman & CEO) Option Exercise 9,543 4.35 41,527
2008-02-25 Gaulke Michael R (Chairman & CEO) Sale 7,080 30.07 212,895
2008-02-25 Gaulke Michael R (Chairman & CEO) Option Exercise 7,080 3.61 25,555
2008-02-22 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 10,000 5.00 50,000
2008-02-22 Gaulke Michael R (Chairman & CEO) Sale 200 30.02 6,003
2008-02-22 Gaulke Michael R (Chairman & CEO) Option Exercise 200 3.61 721
2008-02-21 Gaulke Michael R (Chairman & CEO) Sale 800 30.01 24,008
2008-02-21 Gaulke Michael R (Chairman & CEO) Option Exercise 142,524 5.71 814,327
2008-02-20 Gaulke Michael R (Chairman & CEO) Sale 1,400 30.13 42,182
2008-02-20 Gaulke Michael R (Chairman & CEO) Option Exercise 1,400 3.61 5,053
2008-02-19 Gaulke Michael R (Chairman & CEO) Sale 1,900 30.14 57,266
2008-02-19 Gaulke Michael R (Chairman & CEO) Option Exercise 1,900 3.61 6,858
2008-02-15 Gaulke Michael R (Chairman & CEO) Sale 5,900 29.99 176,959
2008-02-15 Gaulke Michael R (Chairman & CEO) Option Exercise 5,900 3.61 21,296
2008-02-14 Schlenker Richard L Jr (Chief Financial Officer) Sale 3,178 30.75 97,723
2008-02-14 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 3,178 5.86 18,621
2008-02-14 Gaulke Michael R (Chairman & CEO) Sale 12,600 30.21 380,671
2008-02-14 Gaulke Michael R (Chairman & CEO) Option Exercise 12,600 3.61 45,479
2008-02-13 Schlenker Richard L Jr (Chief Financial Officer) Sale 17,869 30.75 549,471
2008-02-13 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 17,869 5.03 89,906
2008-02-13 Gaulke Michael R (Chairman & CEO) Sale 14,100 30.68 432,604
2008-02-13 Gaulke Michael R (Chairman & CEO) Option Exercise 14,100 3.61 50,893
2008-02-12 Schlenker Richard L Jr (Chief Financial Officer) Sale 9,152 30.75 281,424
2008-02-12 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 9,152 4.20 38,468
2008-02-12 Gaulke Michael R (Chairman & CEO) Sale 14,000 30.64 428,962
2008-02-12 Gaulke Michael R (Chairman & CEO) Option Exercise 14,000 3.61 50,533
2008-02-12 Johnston Paul R (President & COO) Sale 8,087 30.75 248,675
2008-02-12 Johnston Paul R (President & COO) Option Exercise 8,087 5.03 40,688
2008-02-11 Gaulke Michael R (Chairman & CEO) Sale 9,400 30.25 284,388
2008-02-11 Gaulke Michael R (Chairman & CEO) Option Exercise 9,400 3.61 33,929
2008-02-08 Schlenker Richard L Jr (Chief Financial Officer) Sale 1,912 30.75 58,794
2008-02-08 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 1,912 4.20 8,036
2008-02-08 Gaulke Michael R (Chairman & CEO) Sale 22,423 30.20 677,140
2008-02-08 Gaulke Michael R (Chairman & CEO) Option Exercise 22,423 3.61 80,935
2008-02-08 Johnston Paul R (President & COO) Sale 1,913 30.75 58,824
2008-02-08 Johnston Paul R (President & COO) Option Exercise 1,913 4.20 8,040
2008-02-07 Gaulke Michael R (Chairman & CEO) Sale 20,177 30.55 616,488
2008-02-07 Gaulke Michael R (Chairman & CEO) Option Exercise 20,177 3.61 72,828
2008-02-07 Johnston Paul R (President & COO) Sale 23,706 30.75 728,959
2008-02-07 Johnston Paul R (President & COO) Option Exercise 23,706 4.20 99,643
2008-02-06 Gaulke Michael R (Chairman & CEO) Sale 8,000 30.59 244,731
2008-02-06 Gaulke Michael R (Chairman & CEO) Option Exercise 8,000 3.61 28,876
2008-02-06 Johnston Paul R (President & COO) Sale 3,194 30.87 98,608
2008-02-06 Johnston Paul R (President & COO) Option Exercise 3,194 4.20 13,425
2008-02-05 Gaulke Michael R (Chairman & CEO) Sale 23,521 30.97 728,471
2008-02-05 Gaulke Michael R (Chairman & CEO) Option Exercise 23,521 3.61 84,899
2008-02-04 Gaulke Michael R (Chairman & CEO) Sale 21,829 30.93 675,218
2008-02-04 Gaulke Michael R (Chairman & CEO) Option Exercise 21,829 3.61 78,791
2008-02-04 Caligiuri Robert D (Group Vice President) Sale 10,000 31.00 310,011
2007-12-14 Gaulke Michael R (Chairman & CEO) Option Exercise 4,081 2.94 11,987
2007-11-01 Gaulke Michael R (Chairman & CEO) Sale 4,500 30.26 136,170
2007-11-01 Gaulke Michael R (Chairman & CEO) Option Exercise 4,500 3.61 16,242
2007-10-25 Gaulke Michael R (Chairman & CEO) Sale 1,062 28.26 30,012
2007-10-25 Gaulke Michael R (Chairman & CEO) Option Exercise 1,062 2.94 3,119
2007-10-24 Gaulke Michael R (Chairman & CEO) Sale 18,838 28.29 532,970
2007-10-24 Gaulke Michael R (Chairman & CEO) Option Exercise 18,838 2.94 55,336
2007-10-23 Gaulke Michael R (Chairman & CEO) Sale 19,256 28.17 542,358
2007-10-23 Gaulke Michael R (Chairman & CEO) Option Exercise 19,256 2.94 56,564
2007-10-22 Gaulke Michael R (Chairman & CEO) Sale 16,974 27.77 471,388
2007-10-22 Gaulke Michael R (Chairman & CEO) Option Exercise 16,974 2.94 49,861
2007-09-26 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 2,000 3.75 7,500
2007-09-04 Barrett Barbara M (Director) Option Exercise 20,000 3.75 75,000
2007-08-23 Katzenbach Jon R (Director) Sale 20,000 24.29 485,800
2007-08-23 Katzenbach Jon R (Director) Option Exercise 20,000 3.75 75,000
2007-07-30 Gaulke Michael R (Chairman & CEO) Sale 5,750 22.52 129,504
2007-07-30 Gaulke Michael R (Chairman & CEO) Option Exercise 5,750 3.78 21,742
2007-07-27 Gaulke Michael R (Chairman & CEO) Sale 15,500 23.13 358,493
2007-07-27 Gaulke Michael R (Chairman & CEO) Option Exercise 15,500 4.62 71,687
2007-07-26 Gaulke Michael R (Chairman & CEO) Sale 14,000 23.13 323,838
2007-07-26 Gaulke Michael R (Chairman & CEO) Option Exercise 14,000 4.62 64,750
2007-07-25 Gaulke Michael R (Chairman & CEO) Sale 12,500 23.90 298,727
2007-07-25 Gaulke Michael R (Chairman & CEO) Option Exercise 12,500 4.62 57,812
2007-07-24 Moalli John E (Group Vice President) Sale 7,500 23.59 176,949
2007-07-24 Moalli John E (Group Vice President) Option Exercise 7,500 7.02 52,612
2007-07-24 Gaulke Michael R (Chairman & CEO) Sale 15,500 23.60 365,733
2007-07-24 Gaulke Michael R (Chairman & CEO) Option Exercise 15,500 4.62 71,687
2007-07-24 Caligiuri Robert D (Group Vice President) Sale 4,857 23.54 114,348
2007-07-24 Caligiuri Robert D (Group Vice President) Option Exercise 4,857 4.28 20,794
2007-07-23 Gaulke Michael R (Chairman & CEO) Sale 11,750 24.17 283,946
2007-07-23 Gaulke Michael R (Chairman & CEO) Option Exercise 11,750 4.62 54,343
2007-07-23 Caligiuri Robert D (Group Vice President) Sale 25,143 24.27 610,125
2007-07-23 Caligiuri Robert D (Group Vice President) Option Exercise 25,143 4.28 107,644
2007-07-23 Denend Leslie G (Director) Sale 3,900 23.96 93,459
2007-05-24 Gaulke Michael R (President & CEO) Option Exercise 54,089 3.78 204,524
2007-05-21 Riggins Stephen C (Director) Option Exercise 2,006 .00 0
2007-05-21 Katzenbach Jon R (Director) Option Exercise 2,006 .00 0
2007-05-21 Barrett Barbara M (Director) Option Exercise 2,006 .00 0
2007-05-21 Armacost Samuel H (Director) Option Exercise 2,006 .00 0
2007-05-21 Denend Leslie G (Director) Sale 7,745 21.00 162,669
2007-05-21 Denend Leslie G (Director) Option Exercise 11,645 2.92 45,153
2007-05-15 Denend Leslie G (Director) Sale 1,955 21.42 41,884
2007-05-15 Denend Leslie G (Director) Option Exercise 1,955 5.83 11,397
2007-04-30 Gaulke Michael R (President & CEO) Sale 9,000 21.55 193,910
2007-04-30 Gaulke Michael R (President & CEO) Option Exercise 9,000 4.62 41,625
2007-04-27 Gaulke Michael R (President & CEO) Sale 15,000 21.56 323,365
2007-04-27 Gaulke Michael R (President & CEO) Option Exercise 15,000 4.62 69,375
2007-04-26 Gaulke Michael R (President & CEO) Sale 4,000 22.10 88,400
2007-04-26 Gaulke Michael R (President & CEO) Option Exercise 4,000 4.62 18,500
2007-04-25 Osteraas John (Group Vice President) Sale 3,600 22.78 82,011
2007-04-25 Osteraas John (Group Vice President) Option Exercise 3,600 3.75 13,500
2007-04-25 Gaulke Michael R (President & CEO) Sale 11,000 22.59 248,474
2007-04-25 Gaulke Michael R (President & CEO) Option Exercise 11,000 4.62 50,875
2007-04-24 Osteraas John (Group Vice President) Sale 400 22.75 9,100
2007-04-24 Osteraas John (Group Vice President) Option Exercise 400 3.75 1,500
2007-04-24 Gaulke Michael R (President & CEO) Sale 11,000 22.68 249,535
2007-04-24 Gaulke Michael R (President & CEO) Option Exercise 11,000 4.62 50,875
2007-04-23 Gaulke Michael R (President & CEO) Sale 25,000 22.77 565,491
2007-04-23 Gaulke Michael R (President & CEO) Option Exercise 25,000 4.62 115,625
2007-04-23 Johnston Paul R (Chief Operating Officer) Sale 10,922 23.03 251,494
2007-04-23 Johnston Paul R (Chief Operating Officer) Option Exercise 10,922 4.20 45,908
2007-02-23 Gaulke Michael R (President & CEO) Sale 9,000 18.43 165,870
2007-02-23 Johnston Paul R (Chief Operating Officer) Sale 16,878 18.50 312,243
2007-02-23 Johnston Paul R (Chief Operating Officer) Option Exercise 9,178 4.20 38,577
2007-02-23 Mccarthy Roger L (Chairman Emeritus) Sale 4,800 18.49 88,750
2007-02-23 Mccarthy Roger L (Chairman Emeritus) Option Exercise 4,800 11.45 54,948
2007-02-23 Malladi Subbaiah V (Chief Technical Officer) Sale 4,590 18.45 84,685
2007-02-23 Malladi Subbaiah V (Chief Technical Officer) Option Exercise 25,000 6.79 169,729
2007-02-22 Gaulke Michael R (President & CEO) Sale 6,000 18.40 110,399
2007-02-22 Johnston Paul R (Chief Operating Officer) Sale 200 18.50 3,700
2007-02-22 Mccarthy Roger L (Chairman Emeritus) Sale 200 18.50 3,700
2007-02-22 Mccarthy Roger L (Chairman Emeritus) Option Exercise 200 11.45 2,289
2007-02-22 Malladi Subbaiah V (Chief Technical Officer) Sale 20,000 18.42 368,400
2007-02-21 Gaulke Michael R (President & CEO) Sale 3,000 18.45 55,350
2007-02-21 Caligiuri Robert D (Group Vice President) Sale 8,000 18.45 147,600
2007-02-21 Johnston Paul R (Chief Operating Officer) Sale 2,000 18.50 37,000
2007-02-20 Gaulke Michael R (President & CEO) Sale 6,506 18.40 119,688
2007-02-20 Johnston Paul R (Chief Operating Officer) Sale 7,100 18.50 131,350
2007-02-20 Mccarthy Roger L (Chairman Emeritus) Sale 15,000 18.50 277,500
2007-02-20 Mccarthy Roger L (Chairman Emeritus) Option Exercise 15,000 9.91 148,624
2007-02-16 Gaulke Michael R (President & CEO) Sale 10,000 17.97 179,720
2007-02-15 Gaulke Michael R (President & CEO) Sale 6,000 17.43 104,555
2007-02-14 Gaulke Michael R (President & CEO) Sale 2,500 17.30 43,250
2007-02-13 Gaulke Michael R (President & CEO) Sale 7,000 17.35 121,432
2007-02-12 Gaulke Michael R (President & CEO) Sale 4,000 17.42 69,700
2007-02-09 Gaulke Michael R (President & CEO) Sale 7,500 17.52 131,437
2007-02-08 Gaulke Michael R (President & CEO) Sale 8,000 17.69 141,500
2007-02-07 Gaulke Michael R (President & CEO) Sale 2,700 17.73 47,862
2007-02-06 Gaulke Michael R (President & CEO) Sale 3,200 17.76 56,848
2007-02-05 Gaulke Michael R (President & CEO) Sale 8,000 17.92 143,376
2007-02-02 Gaulke Michael R (President & CEO) Option Exercise 125,674 3.19 400,585
2007-02-02 Johnston Paul R (Chief Operating Officer) Sale 3,000 18.54 55,621
2006-11-16 Malladi Subbaiah V (Chief Technical Officer) Sale 930 18.02 16,760
2006-11-15 Malladi Subbaiah V (Chief Technical Officer) Sale 24,950 18.02 449,496
2006-11-14 Malladi Subbaiah V (Chief Technical Officer) Sale 5,607 18.00 100,933
2006-11-13 Malladi Subbaiah V (Chief Technical Officer) Sale 89,000 18.10 1,610,606
2006-11-10 Malladi Subbaiah V (Chief Technical Officer) Sale 15,825 18.14 287,030
2006-11-09 Malladi Subbaiah V (Chief Technical Officer) Sale 1,457 18.54 27,012
2006-10-23 Schlenker Richard L Jr (Chief Financial Officer) Option Exercise 12,000 3.06 36,750
2006-04-24 Mccarthy Roger L (Chairman Emeritus) Sale 2,986 32.84 98,062
2006-04-24 Mccarthy Roger L (Chairman Emeritus) Option Exercise 2,986 22.82 68,125
2006-04-21 Moalli John E (Group Vice President) Sale 8,750 32.62 285,400
2006-04-21 Moalli John E (Group Vice President) Option Exercise 8,750 12.73 111,416
2006-02-23 Mccarthy Roger L (Chairman Emeritus) Sale 250 32.00 8,000
2006-02-23 Mccarthy Roger L (Chairman Emeritus) Option Exercise 250 22.74 5,683
2006-02-22 Mccarthy Roger L (Chairman Emeritus) Sale 400 32.00 12,800
2006-02-22 Mccarthy Roger L (Chairman Emeritus) Option Exercise 400 22.74 9,094
2006-02-21 Gaulke Michael R (President & CEO) Option Exercise 39,000 5.50 214,500
2006-02-21 Mccarthy Roger L (Chairman Emeritus) Sale 264 32.01 8,451
2006-02-21 Mccarthy Roger L (Chairman Emeritus) Option Exercise 264 22.74 6,002
2006-02-17 Mccarthy Roger L (Chairman Emeritus) Sale 13,600 32.49 441,904
2006-02-17 Mccarthy Roger L (Chairman Emeritus) Option Exercise 13,600 18.36 249,662
2006-02-16 Mccarthy Roger L (Chairman Emeritus) Sale 25,000 32.90 822,439
2006-02-16 Mccarthy Roger L (Chairman Emeritus) Option Exercise 25,000 12.78 319,375
2005-05-23 Caligiuri Robert D (Group Vice President) Sale 10,000 23.95 239,500
2005-05-04 Malladi Subbaiah V (Chief Technical Officer) Sale 3,276 24.51 80,298
2005-04-21 Gaulke Michael R (CEO) Sale 5,000 24.57 122,850

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 Exponent Inc (symbol EXPO, CIK number 851520) see the Securities and Exchange Commission (SEC) website.

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