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Insider Trading: National Semiconductor Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of National Semiconductor Corp in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of National Semiconductor Corp since year 2005. Table 2 shows the detailed insider transactions of National Semiconductor Corp since 2005. The reporting company's ticker symbol is NSM. The reporting company's CIK number is 70530.
1 year chart,   5 day chart,   1 day chart.

The total value of stock buying since 2005 is $134,860,750. The total value of stock sales is $216,295,362. The total value of stock exercises is $38,934,748.


Figure 1. Monthly insider transaction values at National Semiconductor Corp (NSM) 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.

  • 07

  • 08

  • 09

  • 10

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  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • $134,812k

    $13,481k

    $1,348k

    $134k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at National Semiconductor Corp (NSM) in the past 24 months. See table 2 for insider transaction details.

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • $28.76

    $21.57

    $14.38

    $7.19



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for National Semiconductor Corp (NSM).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-06 0 0 5,552,810 118,046,865 88,500 921,930
2008-03 0 0 0 0 30,000 199,219
2007-10 0 0 20,675 561,664 20,000 343,000
2007-09 0 0 67,000 1,766,145 72,000 749,476
2007-07 0 0 20,000 556,700 0 0
2007-06 0 0 1,493,463 43,019,153 1,494,733 18,293,367
2007-05 4,981,188 134,812,426 0 0 0 0
2007-04 0 0 213,750 5,449,289 213,750 2,725,861
2007-03 0 0 412,062 10,033,709 500,000 7,843,750
2007-02 0 0 107,749 2,486,846 0 0
2007-01 0 0 43,273 973,642 0 0
2006-12 0 0 25,000 566,250 25,000 171,343
2006-10 0 0 649,828 16,018,260 0 0
2006-07 310 6,937 0 0 0 0
2006-06 1,750 41,387 0 0 0 0
2006-04 0 0 178,058 5,355,195 178,058 2,867,220
2006-03 0 0 2,000 56,000 0 0
2006-01 0 0 402,298 11,405,644 370,298 4,819,582

Table 2. Detailed insider stock purchases, sales, and option exercises for National Semiconductor Corp (NSM)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-06-27 Batchelder David H (10% Owner) Sale 926,010 20.24 18,742,442
2008-06-26 Batchelder David H (10% Owner) Sale 1,183,900 20.59 24,376,501
2008-06-25 Batchelder David H (10% Owner) Sale 956,400 21.92 20,964,288
2008-06-24 Batchelder David H (10% Owner) Sale 1,423,000 21.62 30,765,260
2008-06-23 Batchelder David H (10% Owner) Sale 977,000 21.68 21,181,360
2008-06-19 Samath Jamie (Corporate Controller) Sale 4,400 22.90 100,761
2008-06-19 Samath Jamie (Corporate Controller) Option Exercise 4,400 6.50 28,600
2008-06-13 Chew Lewis (Senior Vice President and CFO) Sale 27,500 23.43 644,325
2008-06-13 Chew Lewis (Senior Vice President and CFO) Option Exercise 27,500 12.98 356,950
2008-06-12 Chew Lewis (Senior Vice President and CFO) Sale 50,500 23.29 1,176,061
2008-06-12 Chew Lewis (Senior Vice President and CFO) Option Exercise 52,500 9.68 507,937
2008-06-09 Samath Jamie (Corporate Controller) Sale 4,100 23.38 95,867
2008-06-09 Samath Jamie (Corporate Controller) Option Exercise 4,100 6.94 28,443
2008-03-24 Kvamme Floyd E (Director) Option Exercise 30,000 6.64 199,219
2007-10-18 Samath Jamie (Corporate Controller) Sale 675 26.96 18,198
2007-10-05 Maidique Modesto A (Director) Sale 20,000 27.17 543,466
2007-10-05 Maidique Modesto A (Director) Option Exercise 20,000 17.15 343,000
2007-09-21 Chew Lewis (Senior Vice President and CFO) Sale 47,000 26.54 1,247,145
2007-09-21 Chew Lewis (Senior Vice President and CFO) Option Exercise 52,000 6.30 327,600
2007-09-10 Mccracken Edward R (Director) Sale 20,000 25.95 519,000
2007-09-10 Mccracken Edward R (Director) Option Exercise 20,000 21.09 421,876
2007-07-23 Sweeney Edward (Senior Vice President) Sale 20,000 27.84 556,700
2007-06-27 Seif Ulrich (Senior Vice President and CIO) Sale 488,858 28.61 13,987,338
2007-06-27 Seif Ulrich (Senior Vice President and CIO) Option Exercise 488,858 12.70 6,207,885
2007-06-15 Sweeney Edward (Senior Vice President) Sale 295,000 28.54 8,418,070
2007-06-15 Sweeney Edward (Senior Vice President) Option Exercise 295,000 9.21 2,717,441
2007-06-14 Macleod Donald (President & COO) Sale 150,000 28.34 4,251,300
2007-06-14 Macleod Donald (President & COO) Option Exercise 150,000 15.69 2,353,125
2007-06-14 Maidique Modesto A (Director) Sale 20,000 28.25 565,000
2007-06-14 Maidique Modesto A (Director) Option Exercise 20,000 20.00 400,000
2007-06-12 Parulekar Suneil (Senior Vice President) Sale 211,100 29.16 6,156,203
2007-06-12 Parulekar Suneil (Senior Vice President) Option Exercise 211,100 9.66 2,039,577
2007-06-12 Noonen Michael (Sr. VP WW Marketing and Sales) Sale 39,605 29.00 1,148,545
2007-06-12 Noonen Michael (Sr. VP WW Marketing and Sales) Option Exercise 40,875 10.33 422,402
2007-06-11 Parulekar Suneil (Senior Vice President) Sale 288,900 29.40 8,492,697
2007-06-11 Parulekar Suneil (Senior Vice President) Option Exercise 288,900 14.38 4,152,937
2007-05-10 Batchelder David H (10% Owner) Purchase 38,500 27.50 1,058,750
2007-05-09 Batchelder David H (10% Owner) Purchase 989,888 27.41 27,132,830
2007-05-08 Batchelder David H (10% Owner) Purchase 825,000 26.96 22,242,000
2007-05-07 Batchelder David H (10% Owner) Purchase 550,000 27.32 15,026,000
2007-05-04 Batchelder David H (10% Owner) Purchase 475,100 27.23 12,936,973
2007-05-03 Batchelder David H (10% Owner) Purchase 702,700 26.99 18,965,873
2007-05-02 Batchelder David H (10% Owner) Purchase 800,000 26.93 21,544,000
2007-05-01 Batchelder David H (10% Owner) Purchase 600,000 26.51 15,906,000
2007-04-18 Kunz Detlev (Senior Vice President) Sale 183,750 25.62 4,706,789
2007-04-18 Kunz Detlev (Senior Vice President) Option Exercise 183,750 13.39 2,460,412
2007-04-09 Clark John M (Senior Vice President,) Sale 30,000 24.75 742,500
2007-04-09 Clark John M (Senior Vice President,) Option Exercise 30,000 8.85 265,449
2007-03-28 Halla Brian (Chairman and CEO) Sale 412,062 24.35 10,033,709
2007-03-28 Halla Brian (Chairman and CEO) Option Exercise 500,000 15.69 7,843,750
2007-02-01 Batchelder David H (10% Owner) Sale 107,749 23.08 2,486,846
2007-01-03 Batchelder David H (10% Owner) Sale 43,273 22.50 973,642
2006-12-21 Clark John M (Senior Vice President,) Sale 25,000 22.65 566,250
2006-12-21 Clark John M (Senior Vice President,) Option Exercise 25,000 6.85 171,343
2006-10-12 Batchelder David H (10% Owner) Sale 649,828 24.65 16,018,260
2006-07-27 Dickson John T (Director) Purchase 310 22.38 6,937
2006-06-13 Dickson John T (Director) Purchase 1,750 23.65 41,387
2006-04-21 Seif Ulrich (Senior Vice President and CIO) Sale 44,000 30.11 1,324,664
2006-04-21 Seif Ulrich (Senior Vice President and CIO) Option Exercise 44,000 17.10 752,400
2006-04-20 Seif Ulrich (Senior Vice President and CIO) Sale 111,620 30.12 3,362,552
2006-04-20 Seif Ulrich (Senior Vice President and CIO) Option Exercise 111,620 16.42 1,833,358
2006-04-19 Noonen Michael (Sr. VP WW Marketing and Sales) Sale 22,438 29.77 667,979
2006-04-19 Noonen Michael (Sr. VP WW Marketing and Sales) Option Exercise 22,438 12.54 281,462
2006-03-15 Samath Jamie (Corporate Controller) Sale 2,000 28.00 56,000
2006-01-19 Clark John M (Senior Vice Presiden) Sale 30,000 28.67 860,190
2006-01-19 Clark John M (Senior Vice Presiden) Option Exercise 30,000 12.52 375,750
2006-01-17 Appleton Steven R (Director) Sale 40,000 27.58 1,103,080
2006-01-17 Appleton Steven R (Director) Option Exercise 40,000 9.51 380,520
2006-01-13 Maidique Modesto A (Director) Sale 30,000 27.72 831,600
2006-01-13 Maidique Modesto A (Director) Option Exercise 30,000 15.66 469,860
2006-01-09 Arnold Gary P (Director) Sale 162,000 28.53 4,623,686
2006-01-09 Arnold Gary P (Director) Option Exercise 130,000 13.96 1,837,670
2006-01-06 Sweeney Edward (Senior Vice Presiden) Sale 32,498 27.96 908,644
2006-01-06 Sweeney Edward (Senior Vice Presiden) Option Exercise 32,498 6.83 221,896

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 National Semiconductor Corp (symbol NSM, CIK number 70530) see the Securities and Exchange Commission (SEC) website.

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