Insider Trading activities of National Instruments Corp insiders. , Part 3

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of National Instruments Corp 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. (See page 1 of this report.) 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 $11,487,521.
The total value of stock sales since 2005 is $289,782,401.
The total value of stock option exercises since 2005 is $28,974,138.



Table 2. Detailed insider stock purchases, sales, and option exercises of National Instruments Corp insiders (NATI) , Part 3
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2013-05-13 Davern Alexander M (COO, CFO & Executive VP) Sale 10,000 28.52 285,200
2013-05-13 Davern Alexander M (COO, CFO & Executive VP) Option Ex 10,000 19.90 199,000
2013-05-13 Kodosky Jeffrey L Sale 12,000 28.49 341,916
2013-05-06 Kodosky Jeffrey L Sale 12,000 27.30 327,576
2013-05-02 Hester Phillip D (Senior Vice President) Sale 6,509 26.66 173,510
2013-05-01 Starkloff Eric Howard (Senior Vice President) Option Ex 6,364 11.62 73,917
2013-05-01 Hester Phillip D (Senior Vice President) Option Ex 8,982 .00 0
2013-05-01 Berra John M Option Ex 6,657 .00 0
2013-05-01 Medica John K Option Ex 4,797 .00 0
2013-05-01 Zogas Peter (Senior Vice President) Option Ex 13,167 11.62 152,934
2013-05-01 Davern Alexander M (COO, CFO & EXECUTIVE VP) Option Ex 18,819 11.62 218,582
2013-05-01 Le Duy Loan T Option Ex 4,797 .00 0
2013-05-01 Roesslein Charles J Option Ex 4,797 .00 0
2013-05-01 Carlton Donald M Option Ex 4,797 .00 0
2013-04-29 Davern Alexander M (COO, CFO & EXECUTIVE VP) Sale 3,000 27.05 81,138
2013-04-29 Kodosky Jeffrey L Sale 12,000 26.99 323,892
2013-04-22 Kodosky Jeffrey L Sale 12,000 29.54 354,420
2013-04-16 Kodosky Jeffrey L Sale 12,000 30.20 362,352
2013-04-08 Kodosky Jeffrey L Sale 12,000 30.45 365,352
2013-04-01 Kodosky Jeffrey L Sale 12,000 31.09 373,020
2013-03-25 Kodosky Jeffrey L Sale 12,000 31.81 381,696
2013-03-21 Davern Alexander M (COO, CFO & Executive VP) Option Ex 9,733 19.90 193,686
2013-03-18 Kodosky Jeffrey L Sale 12,000 31.54 378,480
2013-03-11 Kodosky Jeffrey L Sale 12,000 30.94 371,256
2013-03-04 Kodosky Jeffrey L Sale 12,000 30.07 360,876
2013-02-25 Kodosky Jeffrey L Sale 12,000 29.76 357,144
2013-02-11 Davern Alexander M (COO, CFO & EXECUTIVE VP) Sale 1,000 29.62 29,623
2013-02-11 Kodosky Jeffrey L Sale 12,000 29.54 354,444
2013-02-06 Zogas Peter (Senior Vice President) Sale 15,000 29.30 439,500
2013-02-06 Zogas Peter (Senior Vice President) Option Ex 15,000 19.90 298,500
2013-02-04 Zogas Peter (Senior Vice President) Sale 30,000 24.24 727,260
2013-02-04 Zogas Peter (Senior Vice President) Option Ex 30,000 19.90 597,000
2013-02-04 Roesslein Charles J Option Ex 15,000 20.34 305,100
2013-02-04 Carlton Donald M Sale 11,250 29.47 331,503
2013-02-04 Carlton Donald M Option Ex 11,250 16.11 181,248
2013-02-04 Kodosky Jeffrey L Sale 12,000 29.20 350,424
2013-02-01 Zogas Peter (Senior Vice President) Option Ex 559 20.03 11,194
2013-02-01 Davern Alexander M (COO, CFO & EXECUTIVE VP) Option Ex 555 20.03 11,114
2013-01-28 Kodosky Jeffrey L Sale 12,000 27.97 335,592
2013-01-22 Kodosky Jeffrey L Sale 12,000 27.39 328,740
2013-01-14 Kodosky Jeffrey L Sale 12,000 26.90 322,776
2013-01-07 Kodosky Jeffrey L Sale 12,000 26.63 319,548
2012-12-31 Kodosky Jeffrey L Sale 12,000 25.35 304,176
2012-12-26 Kodosky Jeffrey L Sale 12,000 25.49 305,880
2012-12-17 Kodosky Jeffrey L Sale 12,000 25.06 300,768
2012-12-11 Kodosky Jeffrey L Sale 12,000 25.00 300,036
2012-11-26 Zogas Peter (Senior Vice President) Sale 8,736 24.53 214,302
2012-11-26 Zogas Peter (Senior Vice President) Option Ex 8,736 13.41 117,175
2012-11-19 Davern Alexander M (COO, CFO & EXECUTIVE VP) Sale 5,000 24.40 122,000
2012-11-12 Kodosky Jeffrey L Sale 8,000 23.52 188,200
2012-11-05 Kodosky Jeffrey L Sale 8,000 24.51 196,104
2012-11-02 Zogas Peter (Senior Vice President) Sale 9,264 24.69 228,728
2012-11-02 Zogas Peter (Senior Vice President) Option Ex 9,264 13.41 124,258
2012-11-01 Davern Alexander M (COO, CFO & EXECUTIVE VP) Option Ex 1 20.03 20
2012-10-31 Roesslein Charles J Buy 2,000 23.57 47,140
2012-10-31 Kodosky Jeffrey L Sale 8,000 23.57 188,528
2012-10-22 Kodosky Jeffrey L Sale 8,000 23.48 187,872
2012-10-15 Kodosky Jeffrey L Sale 8,000 23.76 190,072
2012-10-08 Kodosky Jeffrey L Sale 8,000 24.40 195,224
2012-10-01 Kodosky Jeffrey L Sale 8,000 24.95 199,592
2012-09-24 Kodosky Jeffrey L Sale 8,000 25.92 207,344
2012-09-17 Kodosky Jeffrey L Sale 8,000 27.16 217,280
2012-09-10 Kodosky Jeffrey L Sale 8,000 25.08 200,648
2012-09-04 Kodosky Jeffrey L Sale 8,000 25.66 205,248
2012-08-27 Kodosky Jeffrey L Sale 8,000 26.37 210,968
2012-08-20 Kodosky Jeffrey L Sale 8,000 26.50 212,016
2012-08-13 Kodosky Jeffrey L Sale 8,000 26.02 208,144
2012-08-06 Kodosky Jeffrey L Sale 8,000 26.13 209,032
2012-08-01 Davern Alexander M (COO, CFO & EXECUTIVE VP) Option Ex 11 21.96 241
2012-07-30 Kodosky Jeffrey L Sale 8,000 25.92 207,344
2012-07-23 Kodosky Jeffrey L Sale 8,000 27.08 216,608
2012-07-16 Kodosky Jeffrey L Sale 8,000 26.68 213,424
2012-07-09 Kodosky Jeffrey L Sale 8,000 26.17 209,384
2012-07-02 Kodosky Jeffrey L Sale 8,000 26.62 212,984
2012-06-26 Kodosky Jeffrey L Sale 6,977 25.87 180,481
2012-06-25 Kodosky Jeffrey L Sale 1,023 25.80 26,393
2012-06-18 Kodosky Jeffrey L Sale 8,000 26.34 210,752
2012-06-12 Kodosky Jeffrey L Sale 6,000 25.67 153,996
2012-06-11 Kodosky Jeffrey L Sale 2,000 25.95 51,900
2012-06-04 Kodosky Jeffrey L Sale 8,000 24.94 199,496
2012-05-29 Kodosky Jeffrey L Sale 8,000 26.47 211,744
2012-05-21 Zogas Peter (Senior Vice President) Sale 6,366 26.25 167,107
2012-05-21 Kodosky Jeffrey L Sale 8,000 26.02 208,192
2012-05-14 Kodosky Jeffrey L Sale 8,000 26.42 211,344
2012-05-11 Davern Alexander M (COO, CFO & Executive VP) Sale 1,019 26.81 27,319
2012-05-07 Kodosky Jeffrey L Sale 8,000 26.65 213,184
2012-05-01 Hester Phillip D (Senior Vice President) Option Ex 8,931 .00 0
2012-05-01 Berra John M Option Ex 5,164 .00 0
2012-05-01 Medica John K Option Ex 5,305 .00 0
2012-05-01 Zogas Peter (Senior Vice President) Option Ex 14,351 11.44 164,132
2012-05-01 Davern Alexander M (COO, CFO & EXECUTIVE VP) Option Ex 19,351 11.44 221,317
2012-05-01 Le Duy Loan T Option Ex 5,305 .00 0
2012-05-01 Roesslein Charles J Option Ex 5,305 .00 0
2012-05-01 Carlton Donald M Option Ex 5,305 .00 0
2012-04-30 Kodosky Jeffrey L Sale 8,000 27.28 218,216
2012-04-23 Kodosky Jeffrey L Sale 8,000 25.78 206,224
2012-04-16 Kodosky Jeffrey L Sale 8,000 26.38 211,040
2012-04-09 Kodosky Jeffrey L Sale 8,000 26.82 214,520
2012-04-02 Kodosky Jeffrey L Sale 8,000 28.46 227,720
2012-03-26 Kodosky Jeffrey L Sale 8,000 27.93 223,456
2012-03-19 Kodosky Jeffrey L Sale 8,000 27.75 222,040
2012-03-14 Roesslein Charles J Option Ex 22,500 16.56 372,690
2012-03-12 Kodosky Jeffrey L Sale 8,000 26.99 215,952
2012-03-05 Kodosky Jeffrey L Sale 8,000 25.90 207,176
2012-02-28 Zogas Peter (Senior Vice President) Sale 4,500 27.04 121,671
2012-02-27 Kodosky Jeffrey L Sale 8,000 27.11 216,880
2012-02-21 Kodosky Jeffrey L Sale 8,000 26.78 214,272
2012-02-13 Kodosky Jeffrey L Sale 8,000 26.93 215,432
2012-02-06 Kodosky Jeffrey L Sale 8,000 27.17 217,352
2012-02-01 Zogas Peter (Senior Vice President) Option Ex 493 22.70 11,192
2012-02-01 Davern Alexander M (COO, CFO & Executive VP) Option Ex 462 22.70 10,488
2012-02-01 Kodosky Jeffrey L Sale 8,000 27.01 216,072
2012-01-23 Kodosky Jeffrey L Sale 8,000 27.10 216,808
2012-01-17 Kodosky Jeffrey L Sale 8,000 26.16 209,296
2012-01-09 Kodosky Jeffrey L Sale 8,000 25.07 200,600
2012-01-03 Kodosky Jeffrey L Sale 8,000 26.48 211,824
2011-12-27 Kodosky Jeffrey L Sale 8,000 25.57 204,536
2011-12-19 Kodosky Jeffrey L Sale 8,000 24.90 199,224
2011-12-12 Kodosky Jeffrey L Sale 8,000 25.73 205,848
2011-12-05 Kodosky Jeffrey L Sale 8,000 26.84 214,696
2011-11-28 Kodosky Jeffrey L Sale 8,000 24.87 198,952
2011-11-21 Kodosky Jeffrey L Sale 8,000 25.72 205,728
2011-11-08 Hester Phillip D (Senior Vice President) Sale 3,500 27.39 95,865
2011-11-04 Davern Alexander M (COO, CFO & Executive VP) Option Ex 12,860 13.41 172,491
2011-08-30 Zogas Peter (Senior Vice President) Sale 3,316 25.30 83,894
2011-08-26 Hester Phillip D (Senior Vice President) Sale 2,000 23.44 46,884
2011-08-26 Zogas Peter (Senior Vice President) Sale 5,684 23.35 132,721
2011-08-26 Finger Mark (Vice President) Sale 2,143 23.25 49,824
2011-08-01 Razdan Ash Option Ex 287 21.96 6,303
2011-08-01 Porterfield Robert (Vice President) Option Ex 633 21.96 13,903
2011-08-01 Almgren Ray (Vice President) Option Ex 302 21.96 6,633
2011-08-01 Davern Alexander M (COO, CFO & Executive VP) Option Ex 98 21.96 2,152
2011-07-13 Truchard James J (President) Sale 5,250 30.06 157,794
2011-07-11 Kodosky Jeffrey L Sale 4,000 30.13 120,512
2011-07-05 Truchard James J (President) Sale 5,250 30.40 159,605
2011-07-05 Kodosky Jeffrey L Sale 4,000 30.39 121,564
2011-07-01 Truchard James J (President) Sale 37,250 31.13 1,159,555
2011-06-30 Truchard James J (President) Sale 10,000 29.96 299,600
2011-06-30 Kodosky Jeffrey L Sale 4,000 29.95 119,800
2011-05-12 Kodosky Jeffrey L Sale 4,000 29.97 119,896
2011-05-02 Hester Phillip D (Senior Vice President) Sale 6,563 27.37 179,609
2011-05-02 Hester Phillip D (Senior Vice President) Option Ex 7,514 .00 0
2011-05-02 Razdan Ash Option Ex 4,392 11.99 52,651
2011-05-02 Porterfield Robert (Vice President) Option Ex 297 23.98 7,120
2011-05-02 Zogas Peter (Senior Vice President) Option Ex 14,760 11.99 176,942
2011-05-02 Almgren Ray (Vice President) Option Ex 7,538 11.99 6,641
2011-05-02 Davern Alexander M (COO, CFO & EXECUTIVE VP) Option Ex 19,173 11.99 229,845
2011-05-02 Hugley David (VP & General Counsel) Option Ex 359 23.98 8,607
2011-05-02 Finger Mark (Vice President) Option Ex 7,261 .00 0
2011-05-02 Kodosky Jeffrey L Sale 4,000 30.16 120,632

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.