Insider Trading activities of National Instruments Corp (NATI)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of National Instruments Corp (NATI) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of National Instruments Corp since year 2005. Table 2 shows the detailed insider transactions of National Instruments Corp since 2005. The reporting company's ticker symbol is NATI. The reporting company's CIK number is 935494.
The total value of stock buying since 2005 is $11,597,611.
The total value of stock sales since 2005 is $416,782,825.
The total value of stock option exercises since 2005 is $31,271,985.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for National Instruments Corp (NATI).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-07 0 $0 6,000 $257,220 0 $0
2019-06 0 $0 6,000 $237,720 0 $0
2019-05 2,028 $88,564 11,027 $451,434 81,315 $1,119,087
2019-04 0 $0 10,000 $464,540 0 $0
2019-03 0 $0 8,000 $361,740 0 $0
2019-02 0 $0 8,000 $364,180 1,204 $45,252
2019-01 0 $0 10,000 $454,070 0 $0
2018-12 0 $0 6,400 $295,248 50,000 $0
2018-11 0 $0 12,155 $591,214 34 $1,266
2018-10 0 $0 10,500 $489,798 0 $0
2018-09 0 $0 133,900 $6,427,029 0 $0
2018-08 0 $0 518,735 $23,445,985 324 $11,260
2018-07 0 $0 120,500 $5,250,873 0 $0
2018-06 0 $0 76,400 $3,289,325 0 $0
2018-05 519 $21,526 83,572 $3,459,270 88,272 $1,083,881
2018-04 0 $0 535,500 $26,617,471 0 $0
2018-03 0 $0 576,400 $29,689,023 0 $0
2018-02 1,900 $88,464 594,566 $29,793,689 1,427 $54,581
2018-01 0 $0 45,500 $2,038,823 0 $0
2017-12 0 $0 37,600 $1,590,095 50,000 $0
2017-11 0 $0 1,023,651 $44,730,882 359 $12,553
2017-10 0 $0 47,500 $2,080,700 0 $0
2017-09 0 $0 38,000 $1,535,605 0 $0
2017-08 0 $0 38,000 $1,511,345 457 $13,559
2017-07 0 $0 47,500 $1,962,345 0 $0
2017-06 0 $0 38,000 $1,489,020 0 $0
2017-05 0 $0 126,854 $4,563,522 68,897 $502,602
2017-04 0 $0 32,000 $1,102,035 0 $0
2017-03 0 $0 7,500 $241,650 0 $0
2017-02 0 $0 10,000 $320,624 1,620 $38,679
2017-01 0 $0 10,000 $309,050 0 $0
2016-11 1,207 $32,861 10,261 $291,307 32 $764
2016-10 0 $0 17,454 $485,133 0 $0
2016-08 0 $0 0 $0 295 $6,913
2016-05 395,394 $10,871,449 0 $0 51,228 $350,195
2016-02 3,100 $86,322 0 $0 1,250 $30,280
2015-11 0 $0 3,262 $100,078 0 $0
2015-10 0 $0 3,000 $92,655 0 $0
2015-08 0 $0 0 $0 335 $8,143
2015-05 3,000 $85,497 9,880 $294,066 49,494 $351,424
2015-02 0 $0 0 $0 1,165 $29,785
2014-12 0 $0 8,000 $254,799 0 $0
2014-11 0 $0 20,841 $675,075 188 $5,062
2014-10 0 $0 16,000 $464,900 0 $0
2014-09 0 $0 20,000 $643,140 0 $0
2014-08 2,000 $63,250 26,173 $855,888 659 $15,297
2014-07 0 $0 16,000 $513,419 0 $0
2014-06 0 $0 20,000 $608,904 0 $0
2014-05 3,500 $96,491 15,918 $441,884 60,193 $300,816
2014-04 0 $0 16,000 $435,540 0 $0
2014-03 0 $0 20,000 $582,588 0 $0
2014-02 0 $0 16,000 $454,356 904 $22,283
2014-01 0 $0 16,000 $505,592 0 $0
2013-12 0 $0 28,000 $867,400 0 $0
2013-11 0 $0 80,271 $2,556,988 27,273 $550,440
2013-10 0 $0 48,000 $1,461,048 0 $0
2013-09 0 $0 60,000 $1,777,368 0 $0
2013-08 0 $0 48,000 $1,348,020 286 $6,644
2013-07 0 $0 84,000 $2,419,620 15,000 $305,100
2013-06 0 $0 48,000 $1,322,400 0 $0
2013-05 1,000 $28,470 79,839 $2,261,775 93,444 $848,746
2013-04 0 $0 63,000 $1,860,174 0 $0
2013-03 0 $0 48,000 $1,492,308 9,733 $193,686
2013-02 0 $0 93,250 $2,589,898 72,364 $1,404,156
2013-01 0 $0 48,000 $1,306,656 0 $0
2012-12 0 $0 48,000 $1,210,860 0 $0
2012-11 0 $0 39,000 $949,334 18,001 $241,453
2012-10 2,000 $47,140 40,000 $961,288 0 $0
2012-09 0 $0 32,000 $830,520 0 $0
2012-08 0 $0 32,000 $840,160 11 $241
2012-07 0 $0 40,000 $1,059,744 0 $0
2012-06 0 $0 32,000 $823,018 0 $0
2012-05 0 $0 39,385 $1,038,890 69,017 $385,449
2012-04 0 $0 40,000 $1,077,720 0 $0
2012-03 0 $0 32,000 $868,624 22,500 $372,690
2012-02 0 $0 44,500 $1,201,679 955 $21,680
2012-01 0 $0 32,000 $838,528 0 $0
2011-12 0 $0 32,000 $824,304 0 $0
2011-11 0 $0 19,500 $500,545 12,860 $172,491
2011-08 0 $0 13,143 $313,323 1,320 $28,991
2011-07 0 $0 55,750 $1,719,030 0 $0
2011-06 0 $0 14,000 $419,400 0 $0
2011-05 0 $0 14,563 $420,137 113,265 $494,441
2011-04 0 $0 47,500 $1,509,598 0 $0
2011-03 0 $0 37,000 $1,159,109 0 $0
2011-02 0 $0 98,980 $4,366,430 19,310 $423,768
2011-01 0 $0 112,938 $4,686,630 64,559 $1,458,618
2010-12 0 $0 83,754 $3,085,814 0 $0
2010-11 0 $0 173,216 $6,016,121 34,529 $731,494
2010-10 0 $0 106,000 $3,506,014 0 $0
2010-09 0 $0 129,500 $4,088,855 0 $0
2010-08 0 $0 98,654 $3,037,658 9,889 $243,346
2010-07 0 $0 147,000 $4,651,750 1,505 $31,668
2010-06 0 $0 111,000 $3,578,266 0 $0
2010-05 0 $0 86,904 $2,895,742 64,288 $234,088
2010-04 0 $0 149,139 $5,274,585 22,479 $626,000
2010-03 0 $0 185,954 $6,135,802 273,368 $8,434,635
2010-02 0 $0 111,932 $3,417,548 7,352 $157,671
2010-01 0 $0 303,656 $9,065,642 0 $0
2009-12 0 $0 56,000 $1,637,732 0 $0
2009-11 0 $0 43,618 $1,233,402 3,516 $74,283
2009-10 0 $0 24,000 $664,041 0 $0
2009-09 0 $0 32,598 $902,367 0 $0
2009-08 0 $0 23,037 $583,538 1,607 $30,104
2009-07 0 $0 6,000 $151,500 0 $0
2009-06 0 $0 1,000 $22,840 0 $0
2009-05 0 $0 31,665 $670,503 60,689 $113,284
2009-04 0 $0 9,000 $194,940 9,000 $136,872
2009-03 0 $0 0 $0 11,096 $135,614
2009-02 0 $0 21,982 $426,988 20,216 $255,214
2009-01 0 $0 13,283 $308,065 13,283 $279,486
2008-12 0 $0 25,962 $627,025 0 $0
2008-11 0 $0 10,378 $244,558 8,902 $180,168
2008-10 0 $0 13,200 $336,600 0 $0
2008-09 0 $0 94,800 $3,023,420 0 $0
2008-08 0 $0 138,122 $4,651,377 37,590 $517,280
2008-07 0 $0 81,100 $2,506,816 0 $0
2008-06 1,000 $31,544 74,000 $2,274,227 0 $0
2008-05 0 $0 250,693 $7,695,050 71,711 $561,211
2008-04 0 $0 22,000 $613,136 0 $0
2008-03 0 $0 15,400 $391,534 77,625 $1,188,048
2008-02 0 $0 13,300 $354,170 28,523 $439,567
2008-01 0 $0 24,400 $720,549 0 $0
2007-12 0 $0 66,000 $2,227,022 0 $0
2007-11 0 $0 94,067 $3,062,025 39,989 $622,215
2007-10 0 $0 104,400 $3,619,673 5,996 $104,356
2007-09 0 $0 109,200 $3,590,235 0 $0
2007-08 0 $0 74,768 $2,385,916 13,666 $229,093
2007-07 0 $0 103,700 $3,478,642 0 $0
2007-06 0 $0 74,200 $2,401,600 3,000 $61,739
2007-05 0 $0 378,397 $11,368,531 82,611 $933,194
2007-04 0 $0 4,400 $123,945 0 $0
2007-02 1,000 $26,824 98,351 $3,509,818 97,571 $1,065,161
2007-01 0 $0 8,600 $241,708 0 $0
2006-12 0 $0 4,400 $126,332 0 $0
2006-11 214 $5,046 71,140 $2,150,542 22,646 $236,074
2006-10 0 $0 387,899 $11,600,319 57,599 $514,414
2006-09 0 $0 17,600 $486,028 0 $0
2006-08 0 $0 74,048 $2,040,017 52,259 $546,785
2006-07 0 $0 24,200 $646,936 318 $6,691
2006-06 0 $0 4,400 $120,031 0 $0
2006-05 0 $0 73,433 $2,163,528 22,138 $0
2006-04 0 $0 84,300 $2,784,516 4,987 $104,443
2006-03 0 $0 118,500 $3,857,218 0 $0
2006-02 0 $0 149,164 $4,793,574 74,369 $1,099,748
2006-01 0 $0 161,490 $5,404,193 44,980 $465,763
2005-12 0 $0 92,100 $2,796,700 0 $0
2005-11 1,000 $24,163 5,987 $151,070 0 $0
2005-09 0 $0 13,200 $372,985 0 $0
2005-08 0 $0 100,555 $2,835,075 0 $0
2005-07 0 $0 6,600 $184,800 0 $0
2005-05 0 $0 915 $21,099 0 $0
2005-03 0 $0 15,840 $455,810 0 $0
2004-10 0 $0 18,400 $561,347 0 $0
2003-08 0 $0 4,400 $166,210 0 $0
2002-12 0 $0 2,200 $69,830 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of National Instruments Corp insiders (NATI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-07-15 Kodosky Jeffrey L Sale 2,000 42.86 85,720
2019-07-08 Kodosky Jeffrey L Sale 2,000 42.90 85,800
2019-07-01 Kodosky Jeffrey L Sale 2,000 42.85 85,700
2019-06-24 Kodosky Jeffrey L Sale 2,000 40.26 80,520
2019-06-17 Kodosky Jeffrey L Sale 2,000 40.04 80,080
2019-06-03 Kodosky Jeffrey L Sale 2,000 38.56 77,120
2019-05-28 Kodosky Jeffrey L Sale 2,000 39.60 79,200
2019-05-20 Kodosky Jeffrey L Sale 2,000 39.65 79,300
2019-05-17 Rust Scott Arthur (Senior Vice President) Sale 3,027 40.88 123,734
2019-05-13 Kodosky Jeffrey L Sale 2,000 41.00 82,000
2019-05-06 Kodosky Jeffrey L Sale 2,000 43.60 87,200
2019-05-02 Le Duy Loan T Buy 2,028 43.67 88,564
2019-05-01 Rapp Karen Marie (CFO, Treasurer & EVP) Option Ex 5,000 .00 0
2019-05-01 Roiko John Charles (Chief Accounting Officer) Option Ex 3,769 18.79 70,834
2019-05-01 Fettweis Gerhard Paul Option Ex 4,337 .00 0
2019-05-01 Rust Scott Arthur (Senior Vice President) Option Ex 11,480 18.79 215,755
2019-05-01 Starkloff Eric Howard (President & COO) Option Ex 16,683 18.79 313,540
2019-05-01 Mcgrath Michael E Option Ex 2,795 .00 0
2019-05-01 Berra John M Option Ex 4,048 .00 0
2019-05-01 Davern Alexander M (Chief Executive Officer) Option Ex 27,613 18.79 518,958
2019-05-01 Le Duy Loan T Option Ex 2,795 .00 0
2019-05-01 Roesslein Charles J Option Ex 2,795 .00 0
2019-04-29 Kodosky Jeffrey L Sale 2,000 47.55 95,100
2019-04-22 Kodosky Jeffrey L Sale 2,000 46.60 93,200
2019-04-15 Kodosky Jeffrey L Sale 2,000 46.65 93,300
2019-04-08 Kodosky Jeffrey L Sale 2,000 46.25 92,500
2019-04-01 Kodosky Jeffrey L Sale 2,000 45.22 90,440
2019-03-25 Kodosky Jeffrey L Sale 2,000 44.16 88,320
2019-03-18 Kodosky Jeffrey L Sale 2,000 45.03 90,060
2019-03-11 Kodosky Jeffrey L Sale 2,000 45.30 90,600
2019-03-04 Kodosky Jeffrey L Sale 2,000 46.38 92,760
2019-02-25 Kodosky Jeffrey L Sale 2,000 47.05 94,100
2019-02-19 Kodosky Jeffrey L Sale 2,000 45.67 91,340
2019-02-11 Kodosky Jeffrey L Sale 2,000 44.90 89,800
2019-02-04 Kodosky Jeffrey L Sale 2,000 44.47 88,940
2019-02-01 Roiko John Charles (Chief Accounting Officer) Option Ex 168 37.59 6,314
2019-02-01 Rust Scott Arthur (Senior Vice President) Option Ex 199 37.59 7,479
2019-02-01 Starkloff Eric Howard (President & COO) Option Ex 355 37.59 13,343
2019-02-01 Davern Alexander M (Chief Executive Officer) Option Ex 482 37.59 18,116
2019-01-28 Kodosky Jeffrey L Sale 2,000 44.70 89,400
2019-01-22 Kodosky Jeffrey L Sale 2,000 44.62 89,250
2019-01-14 Kodosky Jeffrey L Sale 2,000 47.10 94,200
2019-01-07 Kodosky Jeffrey L Sale 2,000 45.25 90,500
2019-01-02 Kodosky Jeffrey L Sale 2,000 45.36 90,720
2018-12-24 Kodosky Jeffrey L Sale 1,600 42.63 68,208
2018-12-17 Davern Alexander M (Chief Executive Officer) Option Ex 50,000 .00 0
2018-12-17 Kodosky Jeffrey L Sale 1,600 45.70 73,120
2018-12-10 Kodosky Jeffrey L Sale 1,600 47.15 75,440
2018-12-03 Kodosky Jeffrey L Sale 1,600 49.05 78,480
2018-11-26 Kodosky Jeffrey L Sale 1,600 47.05 75,280
2018-11-19 Rust Scott Arthur (Senior Vice President) Sale 4,576 48.83 223,446
2018-11-19 Kodosky Jeffrey L Sale 1,600 48.16 77,056
2018-11-12 Kodosky Jeffrey L Sale 1,600 49.20 78,720
2018-11-06 Roiko John Charles (Chief Accounting Officer) Sale 1,179 49.28 58,104
2018-11-05 Kodosky Jeffrey L Sale 1,600 49.13 78,608
2018-11-01 Roiko John Charles (Chief Accounting Officer) Option Ex 34 37.24 1,266
2018-10-30 Starkloff Eric Howard (President & COO) Sale 2,500 49.18 122,950
2018-10-29 Kodosky Jeffrey L Sale 1,600 48.96 78,336
2018-10-22 Kodosky Jeffrey L Sale 1,600 43.50 69,600
2018-10-15 Kodosky Jeffrey L Sale 1,600 43.30 69,280
2018-10-08 Kodosky Jeffrey L Sale 1,600 45.62 72,992
2018-10-01 Kodosky Jeffrey L Sale 1,600 47.90 76,640
2018-09-24 Kodosky Jeffrey L Sale 1,600 48.40 77,440
2018-09-17 Truchard James J Sale 42,500 48.21 2,048,925
2018-09-17 Kodosky Jeffrey L Sale 1,600 48.11 76,976
2018-09-10 Truchard James J Sale 42,500 48.07 2,042,975
2018-09-10 Kodosky Jeffrey L Sale 1,600 48.50 77,600
2018-09-04 Truchard James J Sale 42,500 47.69 2,026,825
2018-09-04 Kodosky Jeffrey L Sale 1,600 47.68 76,288
2018-08-29 Roiko John Charles (Chief Accounting Officer) Sale 1,388 47.33 65,696
2018-08-27 Truchard James J Sale 42,500 46.04 1,956,700
2018-08-27 Kodosky Jeffrey L Sale 1,600 46.41 74,256
2018-08-24 Truchard James J Sale 50,000 45.26 2,263,000
2018-08-23 Truchard James J Sale 69,000 45.09 3,111,210
2018-08-22 Truchard James J Sale 100,000 45.21 4,521,000
2018-08-21 Truchard James J Sale 25,000 45.06 1,126,500
2018-08-20 Truchard James J Sale 17,500 44.97 786,975
2018-08-20 Kodosky Jeffrey L Sale 1,600 44.93 71,888
2018-08-16 Roiko John Charles (Chief Accounting Officer) Sale 1,947 44.99 87,591
2018-08-14 Truchard James J Sale 32,500 44.89 1,458,425
2018-08-13 Kodosky Jeffrey L Sale 1,600 44.76 71,616
2018-08-07 Truchard James J Sale 15,000 45.06 675,900
2018-08-06 Truchard James J Sale 142,500 45.10 6,426,750
2018-08-06 Kodosky Jeffrey L Sale 1,600 45.08 72,128
2018-08-01 Roiko John Charles (Chief Accounting Officer) Option Ex 179 34.76 6,221
2018-08-01 Rust Scott Arthur (Senior Vice President) Option Ex 144 34.76 5,005
2018-08-01 Starkloff Eric Howard (President and COO) Option Ex 1 34.76 34
2018-07-30 Truchard James J Sale 17,500 43.87 767,725
2018-07-30 Kodosky Jeffrey L Sale 1,600 44.03 70,448
2018-07-27 Truchard James J Sale 25,000 45.07 1,126,750
2018-07-23 Truchard James J Sale 17,500 42.37 741,475
2018-07-23 Kodosky Jeffrey L Sale 1,600 42.37 67,792
2018-07-16 Truchard James J Sale 17,500 43.79 766,325
2018-07-16 Kodosky Jeffrey L Sale 1,600 43.70 69,920
2018-07-09 Truchard James J Sale 17,500 43.60 763,000
2018-07-09 Kodosky Jeffrey L Sale 1,600 43.70 69,920
2018-07-02 Truchard James J Sale 17,500 42.26 739,550
2018-07-02 Kodosky Jeffrey L Sale 1,600 42.48 67,968
2018-06-25 Truchard James J Sale 17,500 41.99 734,825
2018-06-25 Kodosky Jeffrey L Sale 1,600 42.02 67,232
2018-06-18 Truchard James J Sale 17,500 43.79 766,325
2018-06-18 Kodosky Jeffrey L Sale 1,600 43.94 70,304
2018-06-11 Truchard James J Sale 17,500 43.40 759,500
2018-06-11 Kodosky Jeffrey L Sale 1,600 43.44 69,504
2018-06-04 Truchard James J Sale 17,500 43.01 752,675
2018-06-04 Kodosky Jeffrey L Sale 1,600 43.10 68,960
2018-05-29 Truchard James J Sale 17,500 41.30 722,750
2018-05-29 Kodosky Jeffrey L Sale 1,600 41.37 66,192
2018-05-25 Rust Scott Arthur (Senior Vice President) Sale 6,372 41.45 264,119
2018-05-23 Le Duy Loan T Buy 519 41.48 21,526
2018-05-21 Truchard James J Sale 17,500 41.33 723,275
2018-05-21 Kodosky Jeffrey L Sale 1,600 41.41 66,256
2018-05-14 Truchard James J Sale 17,500 41.50 726,250
2018-05-14 Kodosky Jeffrey L Sale 1,600 41.59 66,544
2018-05-11 Fettweis Gerhard Paul Sale 800 42.11 33,685
2018-05-07 Truchard James J Sale 17,500 41.37 723,975
2018-05-07 Kodosky Jeffrey L Sale 1,600 41.39 66,224
2018-05-01 Rapp Karen Marie (CFO, Treasurer & EVP) Option Ex 5,000 .00 0
2018-05-01 Roiko John Charles (Chief Accounting Officer) Option Ex 4,095 17.38 71,162
2018-05-01 Fettweis Gerhard Paul Option Ex 4,337 .00 0
2018-05-01 Rust Scott Arthur (Senior Vice President) Option Ex 11,744 17.38 204,087
2018-05-01 Starkloff Eric Howard (Executive Vice President) Option Ex 16,857 17.38 292,940
2018-05-01 Mcgrath Michael E Option Ex 4,141 .00 0
2018-05-01 Berra John M Option Ex 4,141 .00 0
2018-05-01 Davern Alexander M (President & CEO) Option Ex 29,675 17.38 515,692
2018-05-01 Le Duy Loan T Option Ex 4,141 .00 0
2018-05-01 Roesslein Charles J Option Ex 4,141 .00 0
2018-04-30 Truchard James J Sale 17,500 39.86 697,550
2018-04-30 Kodosky Jeffrey L Sale 1,600 40.31 64,500
2018-04-24 Truchard James J Sale 20,000 50.13 1,002,660
2018-04-23 Truchard James J Sale 62,500 50.27 3,142,187
2018-04-23 Kodosky Jeffrey L Sale 1,600 50.05 80,080
2018-04-17 Truchard James J Sale 75,000 50.94 3,820,500
2018-04-16 Truchard James J Sale 67,500 50.63 3,417,525
2018-04-16 Kodosky Jeffrey L Sale 1,600 50.67 81,072
2018-04-12 Truchard James J Sale 200,000 50.32 10,064,000
2018-04-09 Truchard James J Sale 42,500 48.66 2,068,049
2018-04-09 Kodosky Jeffrey L Sale 1,600 48.58 77,728
2018-04-02 Truchard James J Sale 42,500 47.72 2,028,100
2018-04-02 Kodosky Jeffrey L Sale 1,600 45.95 73,520
2018-03-29 Truchard James J Sale 15,000 50.18 752,700
2018-03-27 Truchard James J Sale 35,000 50.82 1,778,700
2018-03-26 Truchard James J Sale 92,500 50.77 4,696,225
2018-03-26 Kodosky Jeffrey L Sale 1,600 50.78 81,248
2018-03-20 Truchard James J Sale 75,000 52.32 3,924,000
2018-03-19 Truchard James J Sale 67,500 51.79 3,495,825
2018-03-19 Kodosky Jeffrey L Sale 1,600 51.92 83,072
2018-03-15 Truchard James J Sale 40,000 52.00 2,080,000
2018-03-14 Truchard James J Sale 40,000 52.00 2,080,000
2018-03-13 Truchard James J Sale 20,000 52.50 1,050,000

Insider trading activities including stock purchases, stock sales, and option exercises of NATI listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of National Instruments Corp (symbol NATI, CIK number 935494) see the Securities and Exchange Commission (SEC) website.