Insider Trading activities of Knight Transportation Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Knight Transportation Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Knight Transportation Inc since year 2005. Table 2 shows the detailed insider transactions of Knight Transportation Inc since 2005. The reporting company's ticker symbol is KNX. The reporting company's CIK number is 929452.
The total value of stock buying since 2005 is $4,925,817.
The total value of stock sales since 2005 is $236,856,832.
The total value of stock option exercises since 2005 is $20,604,738.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Knight Transportation Inc (KNX).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-08 0 $0 4,875 $182,045 3,000 $44,370
2017-06 0 $0 2,800 $100,100 0 $0
2017-05 0 $0 53,469 $1,722,859 56,000 $1,020,700
2017-04 0 $0 22,654 $779,512 59,727 $1,053,340
2016-08 0 $0 1,067,500 $30,714,855 3,200 $58,240
2016-07 0 $0 235,700 $7,042,008 0 $0
2016-05 0 $0 0 $0 6,000 $112,560
2016-04 0 $0 15,000 $404,940 15,000 $276,600
2016-03 0 $0 5,870 $152,600 6,102 $114,860
2016-02 0 $0 77,400 $1,924,625 77,400 $1,427,256
2015-12 0 $0 2,500 $60,112 2,500 $49,750
2015-08 0 $0 522,500 $14,523,418 22,500 $352,799
2015-06 0 $0 0 $0 1,500 $22,950
2015-05 0 $0 0 $0 1,500 $25,218
2015-03 0 $0 1,403 $46,005 0 $0
2015-02 0 $0 211,563 $6,965,507 211,209 $3,324,405
2014-12 0 $0 546,292 $17,976,575 546,292 $8,565,858
2014-11 0 $0 4,606 $148,613 2,500 $43,102
2014-06 0 $0 45,000 $1,094,782 45,000 $565,784
2014-05 0 $0 21,935 $532,318 2,250 $24,560
2014-04 0 $0 15,335 $371,107 15,335 $269,282
2014-03 0 $0 33,100 $746,025 3,900 $57,076
2014-02 0 $0 139,437 $3,017,827 129,527 $1,902,254
2014-01 0 $0 8,309 $178,809 8,309 $121,220
2013-12 0 $0 11,716 $207,174 7,916 $83,418
2013-11 0 $0 10,681 $187,548 4,931 $51,962
2013-10 0 $0 7,400 $126,591 0 $0
2013-09 0 $0 9,000 $150,056 9,000 $94,401
2013-08 0 $0 29,070 $496,552 13,321 $146,408
2013-02 0 $0 5,583 $90,177 3,983 $45,549
2012-06 0 $0 1,221 $20,316 0 $0
2012-05 0 $0 200,000 $3,404,535 5,625 $47,497
2012-02 0 $0 463 $8,046 0 $0
2011-02 0 $0 2,281 $42,536 0 $0
2010-12 0 $0 450 $8,718 0 $0
2010-08 0 $0 121,111 $2,571,664 0 $0
2010-06 0 $0 196,002 $4,148,289 0 $0
2010-05 0 $0 203,000 $4,338,325 0 $0
2010-04 0 $0 42,938 $947,934 0 $0
2010-03 0 $0 886,183 $18,075,811 13,500 $145,854
2010-02 0 $0 533,602 $10,422,865 0 $0
2009-12 0 $0 2,618 $47,168 0 $0
2009-08 0 $0 64,147 $1,178,252 0 $0
2009-06 0 $0 4,186 $75,557 0 $0
2009-05 0 $0 121,675 $2,117,901 0 $0
2009-04 0 $0 1,256,250 $21,900,566 0 $0
2008-10 400 $5,307 0 $0 0 $0
2008-08 0 $0 1,242,327 $24,010,999 1,765 $6,830
2008-07 0 $0 1,917,670 $37,081,156 0 $0
2008-05 0 $0 7,893 $144,523 0 $0
2008-04 0 $0 2,000 $34,038 0 $0
2007-12 0 $0 33,330 $565,295 0 $0
2007-11 0 $0 638,900 $9,703,860 0 $0
2007-10 0 $0 192,005 $3,004,595 0 $0
2007-08 0 $0 75,548 $1,462,962 6,700 $32,749
2007-06 0 $0 11,111 $212,392 0 $0
2007-04 0 $0 717 $14,289 0 $0
2007-02 0 $0 5,878 $116,149 0 $0
2007-01 0 $0 5,800 $108,639 0 $0
2006-10 0 $0 644 $11,798 9,377 $79,179
2006-08 0 $0 1,087 $18,887 1,087 $10,804
2006-07 15,484 $253,971 0 $0 0 $0
2006-03 3,564 $72,456 0 $0 0 $0
2006-01 0 $0 54,300 $1,116,027 52,497 $427,903
2005-06 50,000 $1,166,200 0 $0 0 $0
2005-05 153,388 $3,427,883 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Knight Transportation Inc insiders (KNX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-08-14 Carlson Todd F. Sale 3,000 37.86 113,580
2017-08-14 Carlson Todd F. Option Ex 3,000 14.79 44,370
2017-08-07 Madden G D Sale 1,875 36.52 68,465
2017-06-14 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 2,800 35.75 100,100
2017-05-22 Quast Kevin (Exec VP and COO) Sale 3,469 31.70 109,984
2017-05-22 Quast Kevin (Exec VP and COO) Option Ex 6,000 18.20 109,200
2017-05-19 Jackson David A (President and CEO) Sale 25,000 32.00 800,000
2017-05-19 Jackson David A (President and CEO) Option Ex 25,000 18.23 455,750
2017-05-09 Knight Gary J (Vice Chairman) Sale 12,500 33.03 412,875
2017-05-09 Knight Gary J (Vice Chairman) Option Ex 12,500 18.23 227,875
2017-04-28 Yu Wayne (VP of Accounting & Finance) Sale 5,079 34.65 175,987
2017-04-28 Yu Wayne (VP of Accounting & Finance) Option Ex 8,944 16.04 143,461
2017-04-28 Knight Kevin P (Executive Chairman) Sale 17,575 34.34 603,525
2017-04-28 Knight Kevin P (Executive Chairman) Option Ex 50,783 17.92 909,879
2016-08-31 Knight Gary J (Vice Chairman) Sale 99,339 28.09 2,790,432
2016-08-30 Knight Gary J (Vice Chairman) Sale 171,275 28.51 4,883,050
2016-08-29 Knight Gary J (Vice Chairman) Sale 29,386 28.53 838,382
2016-08-05 Yu Wayne (VP of Accounting & Finance) Sale 3,200 29.59 94,688
2016-08-05 Yu Wayne (VP of Accounting & Finance) Option Ex 3,200 18.20 58,240
2016-08-05 Knight Kevin P (Executive Chairman) Sale 100,000 29.49 2,949,300
2016-08-04 Knight Kevin P (Executive Chairman) Sale 200,000 28.74 5,748,000
2016-08-03 Knight Kevin P (Executive Chairman) Sale 200,000 28.66 5,732,000
2016-08-02 Knight Kevin P (Executive Chairman) Sale 132,500 28.72 3,805,797
2016-08-01 Knight Kevin P (Executive Chairman) Sale 131,800 29.39 3,873,206
2016-07-29 Knight Kevin P (Executive Chairman) Sale 235,700 29.88 7,042,008
2016-05-12 Quast Kevin (Exec VP and COO) Option Ex 6,000 18.76 112,560
2016-04-22 Knight Gary J (Vice Chairman) Sale 15,000 27.00 404,940
2016-04-22 Knight Gary J (Vice Chairman) Option Ex 15,000 18.44 276,600
2016-03-11 Munro Kathryn L Sale 1,000 25.86 25,860
2016-03-11 Munro Kathryn L Option Ex 1,000 19.61 19,610
2016-03-09 Lehmann Richard J Sale 768 25.64 19,691
2016-03-09 Lehmann Richard J Option Ex 1,000 19.61 19,610
2016-03-04 Jackson David A (President and CEO) Sale 4,102 26.10 107,049
2016-03-04 Jackson David A (President and CEO) Option Ex 4,102 18.44 75,640
2016-02-04 Yu Wayne (VP of Accounting & Finance) Sale 2,400 26.02 62,450
2016-02-04 Yu Wayne (VP of Accounting & Finance) Option Ex 2,400 18.44 44,256
2016-02-03 Knight Kevin P (Executive Chairman) Sale 75,000 24.83 1,862,175
2016-02-03 Knight Kevin P (Executive Chairman) Option Ex 75,000 18.44 1,383,000
2015-12-11 Lehmann Richard J Sale 2,500 24.05 60,112
2015-12-11 Lehmann Richard J Option Ex 2,500 19.90 49,750
2015-08-19 Knight Kevin P (Executive Chairman) Sale 161,338 27.46 4,430,341
2015-08-18 Knight Kevin P (Executive Chairman) Sale 168,662 28.02 4,725,234
2015-08-17 Knight Kevin P (Executive Chairman) Sale 170,000 27.93 4,748,100
2015-08-11 Knight Gary J (Vice Chairman) Sale 15,973 27.39 437,484
2015-08-11 Knight Gary J (Vice Chairman) Option Ex 15,973 15.68 250,456
2015-08-05 Knight Gary J (Vice Chairman) Sale 6,527 27.92 182,259
2015-08-05 Knight Gary J (Vice Chairman) Option Ex 6,527 15.68 102,343
2015-06-05 Madden G D Option Ex 750 15.30 11,475
2015-06-04 Bliss Donald A Option Ex 750 15.30 11,475
2015-05-29 Bliss Donald A Option Ex 750 16.81 12,609
2015-05-29 Madden G D Option Ex 750 16.81 12,609
2015-03-13 Yu Wayne (VP of Accounting & Finance) Sale 1,403 32.79 46,005
2015-02-25 Knight Kevin P (Executive Chairman) Sale 21,796 33.16 722,689
2015-02-25 Knight Kevin P (Executive Chairman) Option Ex 21,796 15.68 341,761
2015-02-24 Knight Kevin P (Executive Chairman) Sale 117,890 32.98 3,887,894
2015-02-24 Knight Kevin P (Executive Chairman) Option Ex 117,890 15.68 1,848,515
2015-02-23 Knight Kevin P (Executive Chairman) Sale 64,023 32.96 2,110,262
2015-02-23 Knight Kevin P (Executive Chairman) Option Ex 64,023 15.68 1,003,880
2015-02-13 Yu Wayne (VP of Accounting & Finance) Sale 354 31.90 11,294
2015-02-12 Yu Wayne (VP of Accounting & Finance) Sale 2,250 31.40 70,650
2015-02-12 Yu Wayne (VP of Accounting & Finance) Option Ex 2,250 20.05 45,105
2015-02-11 Munro Kathryn L Sale 5,250 30.99 162,718
2015-02-11 Munro Kathryn L Option Ex 5,250 16.22 85,144
2014-12-04 Knight Kevin P (Chief Executive Officer) Sale 67,218 32.75 2,201,255
2014-12-04 Knight Kevin P (Chief Executive Officer) Option Ex 67,218 15.68 1,053,978
2014-12-03 Knight Kevin P (Chief Executive Officer) Sale 79,074 32.79 2,592,520
2014-12-03 Knight Kevin P (Chief Executive Officer) Option Ex 79,074 15.68 1,239,880
2014-12-02 Knight Kevin P (Chief Executive Officer) Sale 400,000 32.96 13,182,800
2014-12-02 Knight Kevin P (Chief Executive Officer) Option Ex 400,000 15.68 6,272,000
2014-11-25 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 3,200 32.75 104,800
2014-11-20 Garnreiter Michael Sale 1,406 31.16 43,813
2014-11-20 Garnreiter Michael Option Ex 2,500 17.24 43,102
2014-06-10 Knight Keith T (Chief Operating Officer) Sale 22,500 24.25 545,580
2014-06-10 Knight Keith T (Chief Operating Officer) Option Ex 22,500 12.57 282,892
2014-06-06 Knight Gary J (Vice Chairman) Sale 22,500 24.41 549,202
2014-06-06 Knight Gary J (Vice Chairman) Option Ex 22,500 12.57 282,892
2014-05-30 Knight Kevin P (Chief Executive Officer) Sale 20,000 24.29 485,760
2014-05-29 Yu Wayne (Vice President of Accounting) Sale 810 24.56 19,896
2014-05-23 Garnreiter Michael Sale 1,125 23.70 26,662
2014-05-23 Garnreiter Michael Option Ex 1,125 10.92 12,280
2014-05-23 Madden G D Option Ex 1,125 10.92 12,280
2014-04-25 Miller Adam W (CFO, Secretary and Treasurer) Sale 15,335 24.20 371,107
2014-04-25 Miller Adam W (CFO, Secretary and Treasurer) Option Ex 15,335 17.56 269,282
2014-03-13 Knight L Randy (Vice Chairman) Sale 29,200 22.54 658,197
2014-03-11 Yu Wayne (Vice President of Accounting) Sale 3,900 22.52 87,828
2014-03-11 Yu Wayne (Vice President of Accounting) Option Ex 3,900 14.63 57,076
2014-02-26 Quast Kevin (Exec VP and COO) Sale 1,992 21.75 43,331
2014-02-21 Jackson David A (President) Sale 40,202 21.83 877,649
2014-02-21 Jackson David A (President) Option Ex 40,202 16.95 681,544
2014-02-11 Knight Kevin P (Chief Executive Officer) Sale 67,500 21.68 1,463,535
2014-02-11 Knight Kevin P (Chief Executive Officer) Option Ex 67,500 12.57 848,677
2014-02-10 Miller Adam W (CFO, Secretary and Treasurer) Sale 1,125 21.52 24,206
2014-02-10 Miller Adam W (CFO, Secretary and Treasurer) Option Ex 1,125 12.51 14,072
2014-02-07 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 20,298 21.35 433,362
2014-02-07 Updike James E. Jr. (Exec VP Sales and Marketing) Option Ex 20,298 17.26 350,424
2014-02-07 Knight Kevin P (Chief Executive Officer) Sale 3,118 21.51 67,068
2014-02-06 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 402 21.35 8,582
2014-02-06 Updike James E. Jr. (Exec VP Sales and Marketing) Option Ex 402 18.75 7,537
2014-02-03 Knight L Randy (Vice Chairman) Sale 4,800 20.85 100,094
2014-01-31 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 8,309 21.52 178,809
2014-01-31 Updike James E. Jr. (Exec VP Sales and Marketing) Option Ex 8,309 14.59 121,220
2013-12-13 Quast Kevin (Exec VP and COO) Sale 7,875 17.71 139,505
2013-12-13 Quast Kevin (Exec VP and COO) Option Ex 7,875 10.54 82,986
2013-12-12 Knight L Randy (Vice Chairman) Sale 3,800 17.61 66,921
2013-12-09 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 41 18.25 748
2013-12-09 Updike James E. Jr. (Exec VP Sales and Marketing) Option Ex 41 10.54 432
2013-11-18 Knight L Randy (Vice Chairman) Sale 5,750 17.63 101,378
2013-11-13 Liu Michael K (Pres., Dry Van Division) Sale 4,413 17.47 77,095
2013-11-13 Liu Michael K (Pres., Dry Van Division) Option Ex 4,413 10.54 46,504
2013-11-13 Yu Wayne (Vice President of Accounting) Sale 518 17.52 9,075
2013-11-13 Yu Wayne (Vice President of Accounting) Option Ex 518 10.54 5,458
2013-10-31 Knight L Randy (Vice Chairman) Sale 7,400 17.11 126,591
2013-09-10 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 9,000 16.67 150,056
2013-09-10 Kutter Erick (Pres. Knight Refrigerated, LLC) Option Ex 9,000 10.49 94,401
2013-08-19 Garnreiter Michael Sale 5,625 16.47 92,643
2013-08-19 Garnreiter Michael Option Ex 5,625 10.38 58,398
2013-08-05 Knight L Randy (Vice Chairman) Sale 17,550 17.20 301,912
2013-08-02 Quast Kevin (Exec VP and COO) Sale 4,949 17.28 85,518
2013-08-02 Quast Kevin (Exec VP and COO) Option Ex 6,750 11.44 77,193
2013-08-02 Miller Adam W (CFO, Secretary and Treasurer) Sale 158 17.43 2,754
2013-08-02 Miller Adam W (CFO, Secretary and Treasurer) Option Ex 158 11.44 1,806
2013-08-02 Jackson David A (President) Sale 788 17.42 13,725
2013-08-02 Jackson David A (President) Option Ex 788 11.44 9,011
2013-02-15 Liu Michael K (Pres., Dry Van Division) Sale 608 16.39 9,965
2013-02-15 Liu Michael K (Pres., Dry Van Division) Option Ex 608 11.44 6,953
2013-02-14 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 1,125 16.26 18,292
2013-02-14 Updike James E. Jr. (Exec VP Sales and Marketing) Option Ex 1,125 11.44 12,865
2013-02-12 Knight Kevin P (Chief Executive Officer) Sale 1,600 16.04 25,664
2013-02-01 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 2,250 16.11 36,256
2013-02-01 Kutter Erick (Pres. Knight Refrigerated, LLC) Option Ex 2,250 11.44 25,731
2012-06-12 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 1,221 16.64 20,316
2012-05-25 Quast Kevin (Exec VP and COO) Option Ex 5,625 8.44 47,497
2012-05-16 Knight Kevin P (Chief Executive Officer) Sale 177,900 17.02 3,028,747
2012-05-07 Knight Kevin P (Chief Executive Officer) Sale 22,100 17.00 375,788
2012-02-09 Updike James E. Jr. (Exec VP Sales and Marketing) Sale 463 17.38 8,046
2011-02-28 Ritter Greg (Pres. Knight Brokerage, LLC) Sale 1,674 18.61 31,153
2011-02-14 Yu Wayne (VP of External Reporting) Sale 607 18.75 11,383
2010-12-14 Yu Wayne (Chief Accounting Officer) Sale 450 19.38 8,718
2010-08-06 Garnreiter Michael Sale 1,111 19.50 21,664
2010-08-02 Knight Keith T (Chief Operating Officer) Sale 120,000 21.25 2,550,000
2010-06-14 Yu Wayne (Chief Accounting Officer) Sale 3,900 21.53 83,967
2010-06-14 Knight L Randy (Vice Chairman) Sale 67,102 21.43 1,438,197
2010-06-11 Knight L Randy (Vice Chairman) Sale 125,000 21.01 2,626,125
2010-05-19 Ritter Greg (Pres. Knight Brokerage, LLC) Sale 3,000 21.26 63,777
2010-05-12 Knight L Randy (Vice Chairman) Sale 162,759 21.45 3,491,668
2010-05-11 Knight L Randy (Vice Chairman) Sale 37,241 21.02 782,880
2010-04-30 Knight L Randy (Vice Chairman) Sale 7,250 22.09 160,123
2010-04-27 Knight L Randy (Vice Chairman) Sale 2,389 22.06 52,701
2010-04-26 Liu Michael K (Pres., Dry Van Division) Sale 3,555 22.27 79,169
2010-04-26 Yu Wayne (Chief Accounting Officer) Sale 968 21.99 21,287
2010-04-26 Knight L Randy (Vice Chairman) Sale 28,776 22.05 634,654
2010-03-12 Knight L Randy (Vice Chairman) Sale 2,400 21.05 50,520
2010-03-11 Knight L Randy (Vice Chairman) Sale 67,083 21.01 1,409,279
2010-03-10 Ritter Greg (Pres. Knight Brokerage, LLC) Sale 2,000 20.84 41,684
2010-03-10 Knight Kevin P (Chief Executive Officer) Sale 100,000 20.83 2,082,800
2010-03-09 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 13,500 20.43 275,791
2010-03-09 Kutter Erick (Pres. Knight Refrigerated, LLC) Option Ex 13,500 10.80 145,854
2010-03-09 Knight Kevin P (Chief Executive Officer) Sale 200,000 20.77 4,153,400
2010-03-08 Knight L Randy (Vice Chairman) Sale 447,474 20.08 8,985,725
2010-03-05 Knight L Randy (Vice Chairman) Sale 52,526 20.04 1,052,515
2010-03-01 Collins Steve (Controller) Sale 1,200 20.08 24,097
2010-02-24 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 11,814 19.25 227,419
2010-02-22 Ritter Greg (Pres. Knight Brokerage, LLC) Sale 6,000 19.27 115,649
2010-02-22 Jackson David A (Chief Financial Officer) Sale 15,788 19.27 304,297
2010-02-22 Knight Gary J (Vice Chairman) Sale 500,000 19.55 9,775,500
2009-12-14 Garnreiter Michael Sale 1,268 17.78 22,543
2009-12-07 Yu Wayne (Chief Accounting Officer) Sale 1,350 18.24 24,625
2009-08-04 Knight Larry (Pres. Knight Intermodal, LLC) Sale 3,688 18.30 67,508
2009-08-04 Liu Michael K (Pres., Dry Van Division) Sale 4,209 18.40 77,432
2009-08-04 Comen Thomas Casey (Exec. Vice Pres. Sales) Sale 56,250 18.37 1,033,312
2009-06-10 Garnreiter Michael Sale 3,219 18.01 57,977
2009-06-01 Yu Wayne (Chief Accounting Officer) Sale 967 18.18 17,580
2009-05-29 Jackson David A (Chief Financial Officer) Sale 21,675 17.80 385,901
2009-05-01 Knight Keith T (Executive Vice President) Sale 100,000 17.32 1,732,000
2009-04-30 Collins Steve (Controller) Sale 2,250 17.84 40,140
2009-04-30 Knight Gary J (Vice Chairman) Sale 235,000 17.77 4,175,950
2009-04-30 Knight Kevin P (Chief Executive Officer) Sale 100,000 17.73 1,773,500
2009-04-29 Knight Gary J (Vice Chairman) Sale 115,000 17.46 2,007,900
2009-04-29 Knight Keith T (Executive Vice President) Sale 300,000 17.52 5,256,000
2009-04-28 Knight Kevin P (Chief Executive Officer) Sale 500,000 17.16 8,578,500
2009-04-27 Knight Larry (Pres. Knight Intermodal, LLC) Sale 4,000 17.14 68,576
2008-10-10 Madden G D Buy 400 13.27 5,307
2008-08-08 Liu Michael K (Pres., Dry Van Division) Sale 1,765 19.89 35,105
2008-08-08 Liu Michael K (Pres., Dry Van Division) Option Ex 1,765 3.87 6,830
2008-08-08 Knight Kevin P (Chief Executive Officer) Sale 72,844 20.02 1,458,555
2008-08-08 Knight Keith T (Executive Vice President) Sale 60,536 19.97 1,208,661
2008-08-07 Knight Keith T (Executive Vice President) Sale 278,928 19.04 5,310,788
2008-08-06 Knight Kevin P (Chief Executive Officer) Sale 356,460 19.36 6,901,064
2008-08-06 Knight Keith T (Executive Vice President) Sale 100,000 19.42 1,942,000
2008-08-01 Knight Kevin P (Chief Executive Officer) Sale 4,100 19.00 77,900
2008-07-31 Knight Kevin P (Chief Executive Officer) Sale 272,049 19.16 5,211,098
2008-07-30 Knight Kevin P (Chief Executive Officer) Sale 145,621 19.52 2,842,958
2008-07-30 Knight Keith T (Executive Vice President) Sale 500,000 19.78 9,891,500
2008-07-29 Knight Gary J (Vice Chairman) Sale 400,000 19.23 7,691,200
2008-07-28 Knight Gary J (Vice Chairman) Sale 600,000 19.07 11,444,400
2008-05-13 Bliss Donald A Sale 1,000 18.40 18,400
2008-05-06 Bliss Donald A Sale 4,375 18.57 81,243
2008-05-01 Yu Wayne (Chief Accounting Officer) Sale 518 17.00 8,806
2008-05-01 Bliss Donald A Sale 2,000 18.04 36,074
2008-04-28 Bliss Donald A Sale 2,000 17.02 34,038
2007-12-14 Knight Kevin P (Chief Executive Officer) Sale 7,430 16.09 119,556
2007-12-11 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 25,900 17.21 445,739
2007-11-13 Knight L Randy Sale 1,168 15.36 17,941
2007-11-12 Knight L Randy Sale 81,132 15.14 1,228,419
2007-11-09 Knight L Randy Sale 12,100 15.06 182,201
2007-11-07 Knight L Randy Sale 111,300 15.07 1,677,402
2007-11-06 Knight L Randy Sale 250,000 15.20 3,800,250
2007-11-05 Knight L Randy Sale 183,200 15.27 2,797,647
2007-10-31 Knight L Randy Sale 11,100 16.00 177,600
2007-10-23 Kohl Timothy M (President) Sale 13,125 16.01 210,131
2007-10-22 Kohl Timothy M (President) Sale 167,780 15.60 2,616,864
2007-08-22 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 15,725 19.27 303,005
2007-08-17 Yu Wayne (Chief Accounting Officer) Sale 450 19.16 8,622
2007-08-17 Kohl Timothy M (President) Sale 50,673 19.29 977,634
2007-08-10 Kohl Timothy M (President) Sale 6,700 19.85 133,021
2007-08-10 Kohl Timothy M (President) Option Ex 6,700 4.89 32,749
2007-08-09 Bliss Donald A Sale 2,000 20.34 40,680
2007-06-15 Yu Wayne (Chief Accounting Officer) Sale 638 19.65 12,536
2007-06-14 Bliss Donald A Sale 6,000 19.13 114,780
2007-06-01 Bliss Donald A Sale 4,473 19.02 85,076
2007-04-30 Yu Wayne (Chief Accounting Officer) Sale 717 19.93 14,289
2007-02-26 Kutter Erick (Pres. Knight Refrigerated, LLC) Sale 5,878 19.76 116,149
2007-01-29 Comen Thomas Casey (Executive Vice President) Sale 5,800 18.73 108,639
2006-10-30 Kohl Timothy M (President) Option Ex 9,377 8.44 79,179
2006-10-25 Yu Wayne (Chief Accounting Officer) Sale 644 18.32 11,798
2006-08-28 Yu Wayne (Chief Accounting Officer) Sale 1,087 17.38 18,887
2006-08-28 Yu Wayne (Chief Accounting Officer) Option Ex 1,087 9.94 10,804
2006-07-27 Knight Kevin P (Chief Executive Officer) Buy 5,484 16.53 90,672
2006-07-26 Knight Kevin P (Chief Executive Officer) Buy 10,000 16.33 163,299
2006-03-09 Knight L Randy Buy 3,564 20.33 72,456
2006-01-30 Knight Gary J (Vice Chairman) Sale 54,300 20.55 1,116,027
2006-01-30 Kohl Timothy M (President) Option Ex 52,497 8.15 427,903
2005-06-15 Knight L Randy Buy 50,000 23.32 1,166,200
2005-05-20 Knight L Randy Buy 80 24.70 1,976
2005-05-13 Knight L Randy Buy 50,000 22.95 1,147,450
2005-05-09 Knight L Randy Buy 103,308 22.05 2,278,457

Insider trading activities including stock purchases, stock sales, and option exercises of KNX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Knight Transportation Inc (symbol KNX, CIK number 929452) see the Securities and Exchange Commission (SEC) website.