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Insider Trading: Network Appliance Inc
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Network Appliance Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Network Appliance Inc since year 2005. Table 2 shows the detailed insider transactions of Network Appliance Inc since 2005.
The reporting company's ticker symbol is NTAP.
The reporting company's CIK number is 1002047.
The total value of stock buying since 2005 is $140,997.
The total value of stock sales is $243,143,390.
The total value of stock exercises is $34,108,916.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Network Appliance Inc (NTAP) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 -
Figure 2. Average prices of insider buys, sales, and option exercises at Network Appliance Inc (NTAP) in the past 24 months. See table 2 for insider transaction details.
12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for Network Appliance Inc (NTAP).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-11 | 0 | 0 | 400,000 | 5,121,351 | 0 | 0 |
| 2008-09 | 0 | 0 | 0 | 0 | 96,000 | 417,024 |
| 2008-06 | 0 | 0 | 0 | 0 | 23,053 | 405,796 |
| 2008-03 | 6,500 | 140,997 | 30,000 | 606,699 | 44,352 | 199,938 |
| 2007-09 | 0 | 0 | 40,000 | 1,092,392 | 96,000 | 313,536 |
| 2007-07 | 0 | 0 | 5,000 | 161,744 | 0 | 0 |
| 2007-06 | 0 | 0 | 7,038 | 219,550 | 5,000 | 60,392 |
| 2007-05 | 0 | 0 | 55,000 | 2,059,825 | 50,000 | 785,550 |
| 2007-04 | 0 | 0 | 55,000 | 2,001,553 | 55,000 | 815,950 |
| 2007-03 | 0 | 0 | 266,800 | 10,136,426 | 210,000 | 2,731,600 |
| 2007-02 | 0 | 0 | 60,000 | 2,263,675 | 55,000 | 815,950 |
| 2007-01 | 0 | 0 | 60,000 | 2,385,112 | 50,000 | 723,340 |
| 2006-12 | 0 | 0 | 99,213 | 3,936,274 | 86,000 | 1,416,510 |
| 2006-11 | 0 | 0 | 693,492 | 27,709,303 | 427,289 | 5,898,900 |
| 2006-10 | 0 | 0 | 275,300 | 10,538,959 | 235,300 | 1,229,280 |
| 2006-09 | 0 | 0 | 632,000 | 22,519,634 | 440,000 | 2,884,400 |
| 2006-08 | 0 | 0 | 507,652 | 17,090,413 | 311,000 | 3,253,640 |
| 2006-07 | 0 | 0 | 40,000 | 1,366,521 | 0 | 0 |
| 2006-06 | 0 | 0 | 150,000 | 5,168,479 | 0 | 0 |
| 2006-05 | 0 | 0 | 65,000 | 2,377,109 | 14,000 | 110,306 |
| 2006-04 | 0 | 0 | 115,000 | 4,258,686 | 28,000 | 220,612 |
| 2006-03 | 0 | 0 | 1,051,476 | 36,604,960 | 770,187 | 9,278,280 |
| 2006-02 | 0 | 0 | 85,000 | 2,760,903 | 0 | 0 |
| 2006-01 | 0 | 0 | 535,000 | 16,965,009 | 450,000 | 2,028,600 |
| 2005-12 | 0 | 0 | 152,011 | 4,381,574 | 72,845 | 519,312 |
| 2005-11 | 0 | 0 | 619,440 | 18,103,551 | 0 | 0 |
| 2005-10 | 0 | 0 | 85,000 | 2,137,790 | 0 | 0 |
| 2005-09 | 0 | 0 | 375,000 | 8,941,725 | 0 | 0 |
| 2005-08 | 0 | 0 | 85,000 | 2,166,575 | 0 | 0 |
| 2005-07 | 0 | 0 | 85,000 | 2,405,855 | 0 | 0 |
| 2005-06 | 0 | 0 | 363,163 | 10,710,842 | 0 | 0 |
| 2005-05 | 0 | 0 | 108,000 | 3,161,264 | 0 | 0 |
| 2005-04 | 0 | 0 | 83,000 | 2,273,855 | 0 | 0 |
| 2005-03 | 0 | 0 | 387,276 | 10,791,971 | 0 | 0 |
| 2002-05 | 0 | 0 | 54,137 | 723,811 | 0 | 0 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for Network Appliance Inc (NTAP)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-11-24 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 347,600 | 12.85 | 4,465,791 |
| 2008-11-21 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 52,400 | 12.51 | 655,560 |
| 2008-09-09 | Valentine Donald T (Director) | Option Exercise | 96,000 | 4.34 | 417,024 |
| 2008-06-26 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 23,053 | 17.60 | 405,796 |
| 2008-03-28 | Wall Robert T (Director) | Sale | 30,000 | 20.22 | 606,699 |
| 2008-03-13 | Kozel Edward (Director) | Purchase | 6,500 | 21.69 | 140,997 |
| 2008-03-12 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 44,352 | 4.51 | 199,938 |
| 2007-09-19 | Valentine Donald T (Director) | Sale | 40,000 | 27.31 | 1,092,392 |
| 2007-09-19 | Valentine Donald T (Director) | Option Exercise | 96,000 | 3.27 | 313,536 |
| 2007-07-19 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 32.35 | 161,744 |
| 2007-06-29 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 2,038 | 29.44 | 60,007 |
| 2007-06-18 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 31.91 | 159,543 |
| 2007-06-18 | Salmon Robert E (Executive VP, Field Operations) | Option Exercise | 5,000 | 12.08 | 60,392 |
| 2007-05-24 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 32.52 | 162,581 |
| 2007-05-07 | Lau James K (Executive Vice President,) | Sale | 50,000 | 37.94 | 1,897,244 |
| 2007-05-07 | Lau James K (Executive Vice President,) | Option Exercise | 50,000 | 15.71 | 785,550 |
| 2007-04-24 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 35.65 | 178,268 |
| 2007-04-24 | Salmon Robert E (Executive VP, Field Operations) | Option Exercise | 5,000 | 9.99 | 49,950 |
| 2007-04-09 | Lau James K (Executive Vice President,) | Sale | 50,000 | 36.47 | 1,823,285 |
| 2007-04-09 | Lau James K (Executive Vice President,) | Option Exercise | 50,000 | 15.32 | 766,000 |
| 2007-03-29 | Georgens Thomas (Executive Vice President) | Sale | 10,000 | 36.60 | 365,972 |
| 2007-03-29 | Georgens Thomas (Executive Vice President) | Option Exercise | 10,000 | 27.81 | 278,100 |
| 2007-03-27 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 38.10 | 190,489 |
| 2007-03-23 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 150,000 | 38.55 | 5,783,025 |
| 2007-03-23 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 150,000 | 11.25 | 1,687,500 |
| 2007-03-22 | Allen Jeffry R (Director) | Sale | 50,000 | 37.60 | 1,879,995 |
| 2007-03-14 | Salmon Robert E (Executive VP, Field Operations) | Sale | 1,800 | 35.92 | 64,661 |
| 2007-03-07 | Lau James K (Executive Vice President,) | Sale | 50,000 | 37.05 | 1,852,284 |
| 2007-03-07 | Lau James K (Executive Vice President,) | Option Exercise | 50,000 | 15.32 | 766,000 |
| 2007-02-28 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 38.44 | 192,201 |
| 2007-02-28 | Salmon Robert E (Executive VP, Field Operations) | Option Exercise | 5,000 | 9.99 | 49,950 |
| 2007-02-22 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 39.74 | 198,695 |
| 2007-02-07 | Lau James K (Executive Vice President,) | Sale | 50,000 | 37.46 | 1,872,779 |
| 2007-02-07 | Lau James K (Executive Vice President,) | Option Exercise | 50,000 | 15.32 | 766,000 |
| 2007-01-11 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 40.29 | 201,457 |
| 2007-01-08 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 40.21 | 201,065 |
| 2007-01-08 | Lau James K (Executive Vice President,) | Sale | 50,000 | 39.65 | 1,982,590 |
| 2007-01-08 | Lau James K (Executive Vice President,) | Option Exercise | 50,000 | 14.47 | 723,340 |
| 2006-12-19 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 40.14 | 200,704 |
| 2006-12-18 | Wall Robert T (Director) | Option Exercise | 30,000 | 10.16 | 304,650 |
| 2006-12-15 | Lau James K (Executive Vice President,) | Sale | 25,000 | 40.92 | 1,023,110 |
| 2006-12-15 | Lau James K (Executive Vice President,) | Option Exercise | 25,000 | 9.99 | 249,750 |
| 2006-12-07 | Georgens Thomas (Exec VP & General Mgr) | Sale | 34,213 | 39.39 | 1,347,684 |
| 2006-12-07 | Georgens Thomas (Exec VP & General Mgr) | Option Exercise | 31,000 | 27.81 | 862,110 |
| 2006-12-06 | Lau James K (Executive Vice President,) | Sale | 35,000 | 38.99 | 1,364,776 |
| 2006-11-29 | Earhart Alan L (Director) | Sale | 20,000 | 39.56 | 791,236 |
| 2006-11-29 | Earhart Alan L (Director) | Option Exercise | 20,000 | 28.30 | 565,900 |
| 2006-11-22 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 73,424 | 41.10 | 3,017,726 |
| 2006-11-22 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 73,424 | 2.96 | 217,151 |
| 2006-11-21 | Mendoza Thomas F (President) | Sale | 277,244 | 40.67 | 11,275,735 |
| 2006-11-21 | Mendoza Thomas F (President) | Option Exercise | 51,041 | 30.87 | 1,575,635 |
| 2006-11-17 | Moore Nicholas G (Director) | Sale | 20,000 | 39.75 | 795,000 |
| 2006-11-17 | Moore Nicholas G (Director) | Option Exercise | 20,000 | 19.33 | 386,666 |
| 2006-11-17 | Allen Jeffry R (Director) | Sale | 198,124 | 39.81 | 7,888,287 |
| 2006-11-16 | Allen Jeffry R (Director) | Option Exercise | 198,124 | 13.67 | 2,709,081 |
| 2006-11-16 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 39,700 | 39.92 | 1,584,958 |
| 2006-11-16 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 39,700 | 4.51 | 178,967 |
| 2006-11-07 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 36.87 | 184,351 |
| 2006-11-07 | Lau James K (Executive Vice President,) | Sale | 25,000 | 36.87 | 921,810 |
| 2006-11-07 | Lau James K (Executive Vice President,) | Option Exercise | 25,000 | 10.62 | 265,500 |
| 2006-11-02 | Lau James K (Executive Vice President,) | Sale | 35,000 | 35.72 | 1,250,200 |
| 2006-10-26 | Lau James K (Executive Vice President,) | Sale | 35,000 | 37.26 | 1,304,100 |
| 2006-10-20 | Lau James K (Executive Vice President,) | Sale | 25,000 | 37.53 | 938,367 |
| 2006-10-20 | Lau James K (Executive Vice President,) | Option Exercise | 25,000 | 11.25 | 281,250 |
| 2006-10-16 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 10,300 | 39.70 | 408,910 |
| 2006-10-16 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 10,300 | 4.51 | 46,432 |
| 2006-10-13 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 76,015 | 39.11 | 2,972,589 |
| 2006-10-13 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 76,015 | 4.51 | 342,675 |
| 2006-10-12 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 38.07 | 190,356 |
| 2006-10-11 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 23,985 | 38.72 | 928,819 |
| 2006-10-11 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 23,985 | 4.51 | 108,124 |
| 2006-10-10 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 42,647 | 38.22 | 1,629,934 |
| 2006-10-10 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 42,647 | 4.51 | 192,252 |
| 2006-10-04 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 7,353 | 38.20 | 280,884 |
| 2006-10-04 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 7,353 | 4.51 | 33,147 |
| 2006-10-02 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 37.70 | 1,885,000 |
| 2006-10-02 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-09-27 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 37.20 | 1,860,145 |
| 2006-09-27 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-09-21 | Lau James K (Executive Vice President,) | Sale | 40,000 | 36.84 | 1,473,684 |
| 2006-09-20 | Mendoza Thomas F (President) | Sale | 62,000 | 36.16 | 2,241,920 |
| 2006-09-20 | Lau James K (Executive Vice President,) | Option Exercise | 40,000 | 11.25 | 450,000 |
| 2006-09-20 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 36.72 | 1,836,000 |
| 2006-09-20 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-09-19 | Mendoza Thomas F (President) | Sale | 38,000 | 36.06 | 1,370,280 |
| 2006-09-19 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 150,000 | 35.98 | 5,396,640 |
| 2006-09-19 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 100,000 | 4.51 | 450,800 |
| 2006-09-18 | Lau James K (Executive Vice President,) | Sale | 25,000 | 34.78 | 869,619 |
| 2006-09-18 | Lau James K (Executive Vice President,) | Option Exercise | 25,000 | 11.25 | 281,250 |
| 2006-09-18 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 35.21 | 1,760,500 |
| 2006-09-18 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-09-13 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 33.97 | 169,860 |
| 2006-09-07 | Lau James K (Executive Vice President,) | Sale | 35,000 | 33.68 | 1,178,810 |
| 2006-09-05 | Gomo Steven J (Executive VP, CFO) | Sale | 102,000 | 34.31 | 3,499,492 |
| 2006-09-05 | Gomo Steven J (Executive VP, CFO) | Option Exercise | 100,000 | 7.45 | 744,900 |
| 2006-09-01 | Lau James K (Executive Vice President,) | Sale | 25,000 | 34.51 | 862,684 |
| 2006-09-01 | Lau James K (Executive Vice President,) | Option Exercise | 25,000 | 11.25 | 281,250 |
| 2006-08-31 | Mendoza Thomas F (President) | Sale | 79,796 | 34.56 | 2,757,861 |
| 2006-08-31 | Semmoto Sachio (Director) | Sale | 15,000 | 34.50 | 517,500 |
| 2006-08-30 | Mendoza Thomas F (President) | Sale | 76,856 | 34.57 | 2,656,604 |
| 2006-08-30 | Semmoto Sachio (Director) | Option Exercise | 15,000 | 23.73 | 355,950 |
| 2006-08-25 | Allen Jeffry R (Director) | Sale | 200,000 | 33.91 | 6,781,619 |
| 2006-08-25 | Allen Jeffry R (Director) | Option Exercise | 200,000 | 13.54 | 2,708,666 |
| 2006-08-18 | Valentine Donald T (Director) | Sale | 96,000 | 33.09 | 3,176,217 |
| 2006-08-18 | Valentine Donald T (Director) | Option Exercise | 96,000 | 1.97 | 189,024 |
| 2006-08-14 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 30.12 | 150,612 |
| 2006-08-02 | Lau James K (Executive Vice President,) | Sale | 35,000 | 30.00 | 1,050,000 |
| 2006-07-10 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 32.13 | 160,670 |
| 2006-07-05 | Lau James K (Executive Vice President,) | Sale | 35,000 | 34.45 | 1,205,851 |
| 2006-06-30 | Mendoza Thomas F (President) | Sale | 45,000 | 35.66 | 1,604,475 |
| 2006-06-23 | Wall Robert T (Director) | Sale | 40,000 | 34.91 | 1,396,404 |
| 2006-06-21 | Semmoto Sachio (Director) | Sale | 14,165 | 34.68 | 491,220 |
| 2006-06-20 | Semmoto Sachio (Director) | Sale | 15,835 | 34.30 | 543,175 |
| 2006-06-02 | Lau James K (Executive Vice President,) | Sale | 35,000 | 32.38 | 1,133,205 |
| 2006-05-10 | Hitz David (Executive Vice President) | Sale | 25,000 | 36.18 | 904,532 |
| 2006-05-10 | Hitz David (Executive Vice President) | Option Exercise | 14,000 | 7.88 | 110,306 |
| 2006-05-09 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 36.96 | 184,815 |
| 2006-05-04 | Lau James K (Executive Vice President,) | Sale | 35,000 | 36.79 | 1,287,762 |
| 2006-04-26 | Lau James K (Executive Vice President,) | Sale | 35,000 | 36.97 | 1,293,904 |
| 2006-04-20 | Hitz David (Executive Vice President) | Sale | 25,000 | 37.93 | 948,207 |
| 2006-04-20 | Hitz David (Executive Vice President) | Option Exercise | 14,000 | 7.88 | 110,306 |
| 2006-04-19 | Salmon Robert E (Executive VP, Field Operations) | Sale | 5,000 | 37.56 | 187,803 |
| 2006-04-05 | Hitz David (Executive Vice President) | Sale | 50,000 | 36.58 | 1,828,772 |
| 2006-04-05 | Hitz David (Executive Vice President) | Option Exercise | 14,000 | 7.88 | 110,306 |
| 2006-03-31 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 3,025 | 36.36 | 109,982 |
| 2006-03-29 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 35.70 | 1,785,040 |
| 2006-03-29 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-03-28 | Wall Robert T (Director) | Sale | 30,000 | 35.27 | 1,058,100 |
| 2006-03-28 | Bartz Carol (Director) | Sale | 30,000 | 35.26 | 1,057,659 |
| 2006-03-28 | Bartz Carol (Director) | Option Exercise | 30,000 | 10.16 | 304,650 |
| 2006-03-24 | Moore Nicholas G (Director) | Sale | 20,000 | 35.10 | 702,000 |
| 2006-03-23 | Moore Nicholas G (Director) | Option Exercise | 20,000 | 18.70 | 373,900 |
| 2006-03-22 | Hitz David (Executive Vice President) | Sale | 25,000 | 34.73 | 868,260 |
| 2006-03-21 | Semmoto Sachio (Director) | Sale | 20,000 | 34.95 | 699,036 |
| 2006-03-20 | Mendoza Thomas F (President) | Sale | 25,167 | 35.12 | 883,870 |
| 2006-03-20 | Semmoto Sachio (Director) | Sale | 46,600 | 35.06 | 1,633,670 |
| 2006-03-20 | Lau James K (Executive Vice President,) | Sale | 60,000 | 35.20 | 2,112,168 |
| 2006-03-17 | Mendoza Thomas F (President) | Sale | 335,000 | 35.11 | 11,761,347 |
| 2006-03-17 | Mendoza Thomas F (President) | Option Exercise | 263,503 | 16.52 | 4,352,443 |
| 2006-03-17 | Semmoto Sachio (Director) | Option Exercise | 50,000 | 15.32 | 766,000 |
| 2006-03-17 | Lau James K (Executive Vice President,) | Option Exercise | 60,000 | 11.25 | 675,000 |
| 2006-03-17 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 35.20 | 1,760,000 |
| 2006-03-17 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-03-15 | Allen Jeffry R (Director) | Sale | 196,684 | 34.04 | 6,695,379 |
| 2006-03-15 | Allen Jeffry R (Director) | Option Exercise | 196,684 | 10.83 | 2,130,087 |
| 2006-03-06 | Lau James K (Executive Vice President,) | Sale | 35,000 | 34.03 | 1,191,193 |
| 2006-03-06 | Hitz David (Executive Vice President) | Sale | 50,000 | 34.03 | 1,701,504 |
| 2006-03-02 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 34.70 | 1,735,000 |
| 2006-03-02 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-02-23 | Lau James K (Executive Vice President,) | Sale | 35,000 | 32.88 | 1,150,628 |
| 2006-02-22 | Hitz David (Executive Vice President) | Sale | 25,000 | 33.34 | 833,405 |
| 2006-02-10 | Hitz David (Executive Vice President) | Sale | 25,000 | 31.07 | 776,870 |
| 2006-01-25 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 30.68 | 767,050 |
| 2006-01-12 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 400,000 | 32.47 | 12,986,400 |
| 2006-01-12 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 400,000 | 4.51 | 1,803,200 |
| 2006-01-11 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 50,000 | 30.20 | 1,510,000 |
| 2006-01-11 | Warmenhoven Daniel J (Chief Executive Officer) | Option Exercise | 50,000 | 4.51 | 225,400 |
| 2006-01-10 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 28.66 | 716,625 |
| 2006-01-05 | Lau James K (Chief Strategy Offic) | Sale | 35,000 | 28.14 | 984,934 |
| 2005-12-28 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 27.70 | 692,375 |
| 2005-12-27 | Mendoza Thomas F (President) | Sale | 42,011 | 28.13 | 1,181,769 |
| 2005-12-23 | Mendoza Thomas F (President) | Option Exercise | 72,845 | 7.13 | 519,312 |
| 2005-12-15 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 29.72 | 742,975 |
| 2005-12-06 | Lau James K (Chief Strategy Offic) | Sale | 35,000 | 29.41 | 1,029,455 |
| 2005-12-01 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 29.40 | 735,000 |
| 2005-11-29 | Lau James K (Chief Strategy Offic) | Sale | 122,940 | 29.63 | 3,642,958 |
| 2005-11-29 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 140,215 | 29.65 | 4,157,514 |
| 2005-11-23 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 59,785 | 29.61 | 1,770,114 |
| 2005-11-22 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 28.94 | 723,375 |
| 2005-11-18 | Allen Jeffry R (Director) | Sale | 200,000 | 29.13 | 5,826,800 |
| 2005-11-18 | Lau James K (Chief Strategy Offic) | Sale | 11,500 | 29.79 | 342,585 |
| 2005-11-10 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 27.21 | 680,225 |
| 2005-11-02 | Lau James K (Chief Strategy Offic) | Sale | 35,000 | 27.43 | 959,980 |
| 2005-10-27 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 25.72 | 642,925 |
| 2005-10-26 | Lau James K (Chief Strategy Offic) | Sale | 35,000 | 25.96 | 908,565 |
| 2005-10-12 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 23.45 | 586,300 |
| 2005-09-27 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 23.96 | 599,000 |
| 2005-09-19 | Allen Jeffry R (Director) | Sale | 200,000 | 24.14 | 4,827,600 |
| 2005-09-16 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 100,000 | 23.61 | 2,360,600 |
| 2005-09-15 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 22.77 | 569,350 |
| 2005-09-02 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 23.41 | 585,175 |
| 2005-08-17 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 24.16 | 603,925 |
| 2005-08-02 | Lau James K (Chief Strategy Offic) | Sale | 35,000 | 25.94 | 907,725 |
| 2005-08-01 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 26.20 | 654,925 |
| 2005-07-19 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 28.53 | 713,225 |
| 2005-07-06 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 27.96 | 699,050 |
| 2005-07-05 | Lau James K (Chief Strategy Offic) | Sale | 35,000 | 28.39 | 993,580 |
| 2005-06-30 | Lau James K (Chief Strategy Offic) | Sale | 33,000 | 28.60 | 943,965 |
| 2005-06-24 | Mendoza Thomas F (President) | Sale | 305,163 | 29.59 | 9,028,552 |
| 2005-06-09 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 29.53 | 738,325 |
| 2005-05-27 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 28.96 | 724,000 |
| 2005-05-23 | Lau James K (Chief Strategy Offic) | Sale | 33,000 | 30.26 | 998,514 |
| 2005-05-20 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 25,000 | 30.00 | 750,000 |
| 2005-05-10 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 27.55 | 688,750 |
| 2005-04-27 | Lau James K (Chief Strategy Offic) | Sale | 33,000 | 26.56 | 876,480 |
| 2005-04-21 | Hitz David (Executive Vice Presi) | Sale | 25,000 | 26.83 | 670,750 |
| 2005-04-07 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 25,000 | 29.06 | 726,625 |
| 2005-03-31 | Warmenhoven Daniel J (Chief Executive Officer) | Sale | 357,276 | 27.66 | 9,882,611 |
| 2005-03-09 | Hitz David (Executive Vice Presi) | Sale | 30,000 | 30.31 | 909,360 |
| 2002-05-31 | Mendoza Thomas F (Vice Chairman) | Sale | 54,137 | 13.37 | 723,811 |
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 Network Appliance Inc (symbol NTAP,
CIK number 1002047) see
the Securities and Exchange Commission (SEC) website.
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