Insider Trading activities of Exponent Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Exponent Inc since 2005 are illustrated in Table 1 and Table 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 since 2005 is $115,783,274.
The total value of stock option exercises since 2005 is $19,401,328.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Exponent Inc (EXPO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 0 $0 24,898 $1,763,362 0 $0
2017-08 0 $0 51,095 $3,345,670 35,000 $818,349
2017-07 0 $0 16,282 $1,063,124 0 $0
2017-05 0 $0 0 $0 10,870 $0
2017-03 0 $0 0 $0 116,194 $0
2017-02 0 $0 1,500 $87,075 0 $0
2016-11 0 $0 9,500 $578,679 0 $0
2016-10 0 $0 30,035 $1,695,579 0 $0
2016-08 0 $0 6,300 $328,082 0 $0
2016-07 0 $0 21,578 $1,226,867 0 $0
2016-06 0 $0 27,006 $1,492,369 10,000 $188,600
2016-05 0 $0 52,449 $2,665,009 31,930 $377,199
2016-04 0 $0 3,200 $157,814 0 $0
2016-03 0 $0 0 $0 140,566 $0
2016-02 0 $0 7,000 $331,274 0 $0
2015-11 0 $0 34,491 $1,770,629 34,491 $426,618
2015-10 0 $0 75,509 $3,936,123 65,509 $788,436
2015-09 0 $0 58,658 $2,556,704 29,260 $379,794
2015-08 0 $0 33,740 $1,470,802 16,740 $217,285
2015-07 0 $0 2,880 $126,305 0 $0
2015-05 0 $0 8,530 $742,351 7,200 $0
2015-03 0 $0 0 $0 72,300 $0
2015-02 0 $0 20,158 $1,776,650 0 $0
2014-12 0 $0 0 $0 536 $0
2014-10 0 $0 5,000 $395,000 0 $0
2014-08 0 $0 4,994 $354,524 0 $0
2014-07 0 $0 6 $450 0 $0
2014-06 0 $0 23,438 $1,699,151 9,000 $207,630
2014-05 0 $0 38,201 $2,659,422 38,331 $678,058
2014-03 0 $0 0 $0 76,604 $0
2014-02 0 $0 11,000 $785,287 6,000 $74,490
2013-11 0 $0 18,302 $1,373,070 0 $0
2013-10 0 $0 10,698 $845,116 4,000 $49,660
2013-08 0 $0 31,274 $2,094,508 20,907 $308,319
2013-07 0 $0 4,795 $319,582 1,721 $20,677
2013-05 0 $0 16,056 $887,328 8,898 $0
2013-04 0 $0 18,303 $952,623 0 $0
2013-03 0 $0 0 $0 114,311 $0
2013-02 0 $0 5,000 $259,350 40,000 $280,600
2012-12 0 $0 27,167 $1,436,038 4,000 $88,080
2012-11 0 $0 44,467 $2,323,289 33,464 $612,989
2012-10 0 $0 45,691 $2,496,238 40,691 $505,846
2012-08 0 $0 22,484 $1,168,039 17,919 $305,662
2012-07 0 $0 15,759 $836,006 694 $4,867
2012-05 0 $0 6,902 $332,836 8,550 $0
2012-04 0 $0 22,335 $1,053,716 10,000 $156,450
2012-03 0 $0 30,000 $1,432,515 112,800 $427,660
2012-02 0 $0 54,105 $2,642,086 30,000 $291,230
2011-12 0 $0 22,686 $1,069,349 20,932 $649,098
2011-11 0 $0 29,758 $1,419,631 31,568 $379,837
2011-10 0 $0 73,751 $3,469,322 0 $0
2011-07 0 $0 8,860 $388,438 0 $0
2011-06 0 $0 0 $0 12,356 $0
2011-05 0 $0 3,200 $134,098 0 $0
2011-04 0 $0 59,500 $2,531,680 0 $0
2011-03 0 $0 0 $0 91,590 $0
2011-02 0 $0 0 $0 40,580 $395,102
2010-12 0 $0 30,000 $1,135,859 30,000 $230,250
2010-11 0 $0 86,264 $2,892,208 68,851 $462,075
2010-10 0 $0 45,218 $1,459,910 10,000 $70,150
2010-09 0 $0 20,488 $681,455 0 $0
2010-08 0 $0 7,100 $234,956 1,988 $0
2010-07 0 $0 19,712 $667,329 0 $0
2010-06 0 $0 20,000 $587,420 38,221 $130,260
2010-05 0 $0 37,500 $1,087,268 37,500 $219,710
2010-04 0 $0 31,425 $954,791 35,500 $230,614
2010-03 0 $0 0 $0 71,240 $0
2010-02 0 $0 84,998 $2,211,913 89,032 $958,835
2009-11 0 $0 54,400 $1,422,020 54,400 $746,541
2009-10 0 $0 20,600 $567,120 20,600 $241,066
2009-09 0 $0 5,043 $139,570 5,043 $57,328
2009-08 0 $0 78,898 $2,147,574 92,006 $642,784
2009-07 0 $0 35,842 $930,057 28,002 $195,731
2009-05 0 $0 63,057 $1,750,764 115,977 $565,912
2009-04 0 $0 9,000 $243,143 8,190 $98,402
2009-03 0 $0 0 $0 78,080 $0
2009-02 0 $0 4,906 $99,026 3,000 $10,311
2008-11 0 $0 19,483 $554,998 7,463 $47,666
2008-10 0 $0 7,822 $228,402 20,000 $57,500
2008-08 0 $0 80,624 $2,561,890 78,974 $434,251
2008-07 0 $0 54,089 $1,572,900 0 $0
2008-05 0 $0 47,432 $1,601,182 18,611 $45,475
2008-04 0 $0 123,984 $4,417,193 1,600 $8,049
2008-03 0 $0 0 $0 74,920 $0
2008-02 0 $0 259,961 $7,951,137 401,685 $1,850,262
2007-12 0 $0 0 $0 4,081 $11,985
2007-11 0 $0 4,500 $136,170 4,500 $16,240
2007-10 0 $0 56,130 $1,576,705 56,130 $164,852
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 $2,755,078 112,500 $523,060
2007-05 0 $0 9,700 $204,551 79,613 $261,060
2007-04 0 $0 108,922 $2,438,783 108,922 $495,655
2007-02 0 $0 165,174 $3,001,519 179,852 $814,677
2006-11 0 $0 137,769 $2,491,738 0 $0
2006-10 0 $0 0 $0 12,000 $36,744
2006-04 0 $0 11,736 $383,458 11,736 $179,538
2006-02 0 $0 39,514 $1,293,579 78,514 $804,309
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 of Exponent Inc insiders (EXPO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-29 Johnston Paul R (Chief Executive Officer) Sale 3,000 74.01 222,024
2017-09-26 Johnston Paul R (Chief Executive Officer) Sale 3,052 73.11 223,146
2017-09-21 Johnston Paul R (Chief Executive Officer) Sale 4,000 72.42 289,684
2017-09-18 Johnston Paul R (Chief Executive Officer) Sale 3,696 70.86 261,883
2017-09-13 Johnston Paul R (Chief Executive Officer) Sale 4,000 69.42 277,664
2017-09-08 Johnston Paul R (Chief Executive Officer) Sale 3,150 69.20 217,989
2017-09-05 Johnston Paul R (Chief Executive Officer) Sale 4,000 67.74 270,972
2017-08-30 Johnston Paul R (Chief Executive Officer) Sale 4,095 65.84 269,606
2017-08-25 Johnston Paul R (Chief Executive Officer) Sale 5,000 64.52 322,580
2017-08-25 Johnston Paul R (Chief Executive Officer) Option Ex 5,000 24.14 120,675
2017-08-22 Johnston Paul R (Chief Executive Officer) Sale 5,000 64.49 322,435
2017-08-22 Johnston Paul R (Chief Executive Officer) Option Ex 5,000 24.14 120,675
2017-08-17 Johnston Paul R (Chief Executive Officer) Sale 5,000 64.41 322,035
2017-08-17 Johnston Paul R (Chief Executive Officer) Option Ex 5,000 24.14 120,675
2017-08-14 Johnston Paul R (Chief Executive Officer) Sale 5,000 65.28 326,390
2017-08-14 Johnston Paul R (Chief Executive Officer) Option Ex 5,000 24.14 120,675
2017-08-09 Johnston Paul R (Chief Executive Officer) Sale 5,858 65.60 384,267
2017-08-09 Johnston Paul R (Chief Executive Officer) Option Ex 5,858 24.14 141,382
2017-08-04 Kytomaa Harri (Group Vice President) Sale 12,000 66.38 796,560
2017-08-04 Johnston Paul R (Chief Executive Officer) Sale 4,142 65.70 272,112
2017-08-04 Johnston Paul R (Chief Executive Officer) Option Ex 4,142 24.14 99,967
2017-08-01 Johnston Paul R (Chief Executive Officer) Sale 5,000 65.94 329,685
2017-08-01 Johnston Paul R (Chief Executive Officer) Option Ex 5,000 18.86 94,300
2017-07-24 Pye John (Group Vice President) Sale 3,600 65.08 234,273
2017-07-24 Murray Steven J (Group Vice President) Sale 9,718 65.29 634,527
2017-07-21 Shepard Sally (Chief Human Resources Officer) Sale 1,255 65.37 82,038
2017-07-21 Murray Steven J (Group Vice President) Sale 1,709 65.70 112,286
2017-05-31 Zumwalt Debra (Director) Option Ex 2,174 .00 0
2017-05-31 Riggins Stephen C (Director) Option Ex 2,174 .00 0
2017-05-31 Richardson Karen A (Director) Option Ex 2,174 .00 0
2017-05-31 Gaulke Michael R (Director) Option Ex 2,174 .00 0
2017-05-31 Shoven John B (Director) Option Ex 2,174 .00 0
2017-03-15 Kytomaa Harri (Group Vice President) Option Ex 8,617 .00 0
2017-03-15 Pye John (Group Vice President) Option Ex 5,327 .00 0
2017-03-15 Reiss Richard (Group Vice President) Option Ex 1,098 .00 0
2017-03-15 Murray Steven J (Group Vice President) Option Ex 7,637 .00 0
2017-03-15 Corrigan Catherine (President) Option Ex 11,748 .00 0
2017-03-15 Osteraas John (Group Vice President) Option Ex 3,446 .00 0
2017-03-15 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 34,462 .00 0
2017-03-15 Johnston Paul R (Chief Executive Officer) Option Ex 26,628 .00 0
2017-02-06 Riggins Stephen C (Director) Sale 1,500 58.05 87,075
2016-11-14 Kytomaa Harri (Group Vice President) Sale 5,500 61.91 340,483
2016-11-09 Gaulke Michael R (Director) Sale 4,000 59.55 238,196
2016-10-25 Riggins Stephen C (Director) Sale 2,386 56.95 135,882
2016-10-25 Schlenker Richard L Jr (EVP & Chief Financial Officer) Sale 14,557 56.98 829,486
2016-10-24 Murray Steven J (Group Vice President) Sale 342 57.02 19,501
2016-10-24 Gaulke Michael R (Director) Sale 4,000 57.06 228,244
2016-10-20 Gaulke Michael R (Director) Sale 8,750 55.14 482,466
2016-08-16 Boehm Paul (Group Vice President) Sale 5,000 52.18 260,910
2016-08-12 Caligiuri Robert D (Group Vice President) Sale 1,300 51.67 67,172
2016-07-25 Boehm Paul (Group Vice President) Sale 5,000 51.42 257,115
2016-07-14 Johnston Paul R (President & CEO) Sale 5,500 59.27 325,996
2016-07-08 Johnston Paul R (President & CEO) Sale 5,578 58.15 324,349
2016-07-01 Johnston Paul R (President & CEO) Sale 5,500 58.07 319,407
2016-06-27 Johnston Paul R (President & CEO) Sale 5,500 54.74 301,059
2016-06-21 Johnston Paul R (President & CEO) Sale 6,006 56.31 338,221
2016-06-15 Johnston Paul R (President & CEO) Sale 5,500 55.20 303,594
2016-06-09 Johnston Paul R (President & CEO) Sale 5,000 55.43 277,150
2016-06-09 Johnston Paul R (President & CEO) Option Ex 5,000 18.86 94,300
2016-06-03 Johnston Paul R (President & CEO) Sale 5,000 54.47 272,345
2016-06-03 Johnston Paul R (President & CEO) Option Ex 5,000 18.86 94,300
2016-05-27 Corrigan Catherine (Group Vice President) Sale 3,000 52.68 158,040
2016-05-27 Johnston Paul R (President & CEO) Sale 5,000 52.67 263,335
2016-05-27 Johnston Paul R (President & CEO) Option Ex 5,000 18.86 94,300
2016-05-25 Zumwalt Debra (Director) Option Ex 2,386 .00 0
2016-05-25 Riggins Stephen C (Director) Option Ex 2,386 .00 0
2016-05-25 Richardson Karen A (Director) Option Ex 2,386 .00 0
2016-05-25 Gaulke Michael R (Director) Option Ex 2,386 .00 0
2016-05-25 Shoven John B (Director) Option Ex 2,386 .00 0
2016-05-24 Corrigan Catherine (Group Vice President) Sale 4,276 51.33 219,504
2016-05-23 Johnston Paul R (President & CEO) Sale 5,000 50.01 250,050
2016-05-23 Johnston Paul R (President & CEO) Option Ex 5,000 18.86 94,300
2016-05-20 Corrigan Catherine (Group Vice President) Sale 5,950 50.10 298,100
2016-05-18 Corrigan Catherine (Group Vice President) Sale 6,723 50.32 338,314
2016-05-17 Johnston Paul R (President & CEO) Sale 4,698 50.56 237,535
2016-05-17 Johnston Paul R (President & CEO) Option Ex 4,698 18.86 88,604
2016-05-16 Boehm Paul (Group Vice President) Sale 10,000 51.00 510,000
2016-05-11 Johnston Paul R (President & CEO) Sale 5,302 50.01 265,131
2016-05-11 Johnston Paul R (President & CEO) Option Ex 5,302 18.86 99,995
2016-05-09 Caligiuri Robert D (Group Vice President) Sale 2,500 50.00 125,000
2016-04-25 Riggins Stephen C (Director) Sale 3,200 49.32 157,814
2016-03-09 Reiss Richard (Group Vice President) Option Ex 1,215 .00 0
2016-03-09 Murray Steven J (Group Vice President) Option Ex 7,158 .00 0
2016-03-09 Corrigan Catherine (Group Vice President) Option Ex 10,410 .00 0
2016-03-09 Anderson Elizabeth L (Chief Science Officer) Option Ex 17,347 .00 0
2016-03-09 Osteraas John (Group Vice President) Option Ex 5,554 .00 0
2016-03-09 Boehm Paul (Group Vice President) Option Ex 18,217 .00 0
2016-03-09 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 17,347 .00 0
2016-03-09 Caligiuri Robert D (Group Vice President) Option Ex 17,347 .00 0
2016-03-09 Johnston Paul R (President & CEO) Option Ex 26,021 .00 0
2016-03-09 Malladi Subbaiah V (Chief Technical Officer) Option Ex 19,950 .00 0
2016-02-25 Corrigan Catherine (Group Vice President) Sale 2,000 46.89 93,774
2016-02-22 Caligiuri Robert D (Group Vice President) Sale 5,000 47.50 237,500
2015-11-10 Schlenker Richard L Jr (EVP & Chief Financial Officer) Sale 20,000 51.45 1,028,980
2015-11-10 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 20,000 11.54 230,700
2015-11-03 Schlenker Richard L Jr (EVP & Chief Financial Officer) Sale 14,491 51.18 741,649
2015-11-03 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 14,491 13.52 195,918
2015-10-29 Schlenker Richard L Jr (EVP & Chief Financial Officer) Sale 100 52.00 5,200
2015-10-29 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 100 15.51 1,550
2015-10-28 Schlenker Richard L Jr (EVP & Chief Financial Officer) Sale 58,894 52.04 3,065,020
2015-10-28 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 58,894 12.35 727,046
2015-10-26 Boehm Paul (Group Vice President) Sale 10,000 52.33 523,280
2015-10-26 Schlenker Richard L Jr (EVP & Chief Financial Officer) Sale 6,515 52.59 342,623
2015-10-26 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 6,515 9.19 59,840
2015-09-30 Johnston Paul R (President & CEO) Sale 8,054 44.46 358,072
2015-09-25 Johnston Paul R (President & CEO) Sale 4,378 44.30 193,958
2015-09-22 Johnston Paul R (President & CEO) Sale 6,000 43.30 259,830
2015-09-17 Johnston Paul R (President & CEO) Sale 5,410 43.83 237,141
2015-09-14 Johnston Paul R (President & CEO) Sale 5,556 43.53 241,830
2015-09-09 Johnston Paul R (President & CEO) Sale 5,260 43.32 227,873
2015-09-09 Johnston Paul R (President & CEO) Option Ex 5,260 12.98 68,274
2015-09-08 Johnston Paul R (President & CEO) Sale 24,000 43.25 1,038,000
2015-09-08 Johnston Paul R (President & CEO) Option Ex 24,000 12.98 311,520
2015-08-27 Corrigan Catherine (Group Vice President) Sale 3,000 42.27 126,822
2015-08-19 Johnston Paul R (President & CEO) Sale 6,000 43.41 260,484
2015-08-19 Johnston Paul R (President & CEO) Option Ex 6,000 12.98 77,880
2015-08-14 Johnston Paul R (President & CEO) Sale 6,000 43.55 261,281
2015-08-14 Johnston Paul R (President & CEO) Option Ex 6,000 12.98 77,880
2015-08-12 Johnston Paul R (President & CEO) Sale 3,740 43.25 161,755
2015-08-12 Johnston Paul R (President & CEO) Option Ex 3,740 12.98 48,545
2015-08-11 Johnston Paul R (President & CEO) Sale 1,000 43.25 43,250
2015-08-11 Johnston Paul R (President & CEO) Option Ex 1,000 12.98 12,980
2015-08-06 Johnston Paul R (President & CEO) Sale 4,000 44.02 176,060
2015-08-03 Caligiuri Robert D (Group Vice President) Sale 10,000 44.12 441,150
2015-07-24 Riggins Stephen C (Director) Sale 2,880 43.86 126,305
2015-05-27 Zumwalt Debra (Director) Option Ex 1,440 .00 0
2015-05-27 Riggins Stephen C (Director) Option Ex 1,440 .00 0
2015-05-27 Richardson Karen A (Director) Option Ex 1,440 .00 0
2015-05-27 Gaulke Michael R (Director) Option Ex 1,440 .00 0
2015-05-27 Shoven John B (Director) Option Ex 1,440 .00 0
2015-05-20 Anderson Elizabeth L (Group Vice President) Sale 4,838 87.25 422,100
2015-05-06 Osteraas John (Group Vice President) Sale 3,692 86.74 320,251
2015-03-11 Reiss Richard (Group Vice President) Option Ex 642 .00 0
2015-03-11 Murray Steven J (Group Vice President) Option Ex 3,448 .00 0
2015-03-11 Corrigan Catherine (Group Vice President) Option Ex 6,414 .00 0
2015-03-11 Anderson Elizabeth L (Group Vice President) Option Ex 8,019 .00 0
2015-03-11 Osteraas John (Group Vice President) Option Ex 2,993 .00 0
2015-03-11 Boehm Paul (Group Vice President) Option Ex 8,019 .00 0
2015-03-11 Schlenker Richard L Jr (EVP & Chief Financial Officer) Option Ex 8,553 .00 0
2015-03-11 Caligiuri Robert D (Group Vice President) Option Ex 8,019 .00 0
2015-03-11 Johnston Paul R (President & CEO) Option Ex 13,898 .00 0
2015-03-11 Malladi Subbaiah V (Chief Technical Officer) Option Ex 12,295 .00 0
2015-02-12 Caligiuri Robert D (Group Vice President) Sale 4,106 88.00 361,328
2015-02-11 Malladi Subbaiah V (Chief Technical Officer) Sale 5,053 87.56 442,450
2015-02-10 Caligiuri Robert D (Group Vice President) Sale 894 88.00 78,672
2015-02-10 Malladi Subbaiah V (Chief Technical Officer) Sale 5,053 88.02 444,770
2015-02-09 Malladi Subbaiah V (Chief Technical Officer) Sale 5,052 88.96 449,430
2014-12-12 Richardson Karen A (Director) Option Ex 536 .00 0
2014-10-30 Caligiuri Robert D (Group Vice President) Sale 5,000 79.00 395,000
2014-08-04 Caligiuri Robert D (Group Vice President) Sale 4,994 70.99 354,524

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