James K Lau
CIK 1197638 · View on SEC EDGAR ↗
Insider
First SEC filing: May 8, 2007 · Latest: May 8, 2007
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Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 50 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
50 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 7, 2007 | NTAP | S 10b5-1 | 50,000 | $37.94 | $1,897,000 | 3,783,933 Indirect | -1.30% | Disposed | 408.7% (price as of 2026-08-21) |
| April 9, 2007 | NTAP | S 10b5-1 | 50,000 | $36.47 | $1,823,500 | 3,783,933 Indirect | -1.30% | Disposed | 429.2% (price as of 2026-08-21) |
| March 7, 2007 | NTAP | S 10b5-1 | 50,000 | $37.05 | $1,852,500 | 3,783,933 Indirect | -1.30% | Disposed | 420.9% (price as of 2026-08-21) |
| Feb. 7, 2007 | NTAP | S 10b5-1 | 50,000 | $37.46 | $1,873,000 | 3,783,933 Indirect | -1.30% | Disposed | 415.2% (price as of 2026-08-21) |
| Jan. 8, 2007 | NTAP | S 10b5-1 | 50,000 | $39.65 | $1,982,500 | 3,783,933 Indirect | -1.30% | Disposed | 386.7% (price as of 2026-08-21) |
| Dec. 15, 2006 | NTAP | S 10b5-1 | 25,000 | $40.92 | $1,023,000 | 3,783,933 Indirect | -0.66% | Disposed | 371.6% (price as of 2026-08-21) |
| Dec. 6, 2006 | NTAP | S 10b5-1 | 35,000 | $38.99 | $1,364,650 | 3,783,933 Indirect | -0.92% | Disposed | 395.0% (price as of 2026-08-21) |
| Nov. 7, 2006 | NTAP | S 10b5-1 | 25,000 | $36.87 | $921,750 | 3,818,933 Indirect | -0.65% | Disposed | 423.4% (price as of 2026-08-21) |
| Nov. 2, 2006 | NTAP | S 10b5-1 | 35,000 | $35.72 | $1,250,200 | 3,818,933 Indirect | -0.91% | Disposed | 440.3% (price as of 2026-08-21) |
| Oct. 26, 2006 | NTAP | S 10b5-1 | 35,000 | $37.26 | $1,304,100 | 3,853,933 Indirect | -0.90% | Disposed | 418.0% (price as of 2026-08-21) |
| Oct. 20, 2006 | NTAP | S 10b5-1 | 25,000 | $37.53 | $938,250 | 3,888,933 Indirect | -0.64% | Disposed | 414.2% (price as of 2026-08-21) |
| Sept. 21, 2006 | NTAP | S | 40,000 | $36.84 | $1,473,600 | 3,888,933 Indirect | -1.02% | Disposed | 423.9% (price as of 2026-08-21) |
| Sept. 18, 2006 | NTAP | S 10b5-1 | 25,000 | $34.78 | $869,500 | 3,888,933 Indirect | -0.64% | Disposed | 454.9% (price as of 2026-08-21) |
| Sept. 7, 2006 | NTAP | S 10b5-1 | 35,000 | $33.68 | $1,178,800 | 3,888,933 Indirect | -0.89% | Disposed | 473.0% (price as of 2026-08-21) |
| Sept. 1, 2006 | NTAP | S | 25,000 | $34.51 | $862,750 | 3,923,933 Indirect | -0.63% | Disposed | 459.2% (price as of 2026-08-21) |
| Aug. 2, 2006 | NTAP | S 10b5-1 | 35,000 | $30.00 | $1,050,000 | 3,923,933 Indirect | -0.88% | Disposed | 543.3% (price as of 2026-08-21) |
| July 5, 2006 | NTAP | S 10b5-1 | 35,000 | $34.45 | $1,205,750 | 3,958,933 Indirect | -0.88% | Disposed | 460.2% (price as of 2026-08-21) |
| June 2, 2006 | NTAP | S 10b5-1 | 35,000 | $32.38 | $1,133,300 | 3,993,933 Indirect | -0.87% | Disposed | 496.0% (price as of 2026-08-21) |
| May 4, 2006 | NTAP | S 10b5-1 | 35,000 | $36.79 | $1,287,650 | 4,028,933 Indirect | -0.86% | Disposed | 424.6% (price as of 2026-08-21) |
| April 26, 2006 | NTAP | S 10b5-1 | 35,000 | $36.97 | $1,293,950 | 4,063,933 Indirect | -0.85% | Disposed | 422.0% (price as of 2026-08-21) |
| March 20, 2006 | NTAP | S | 60,000 | $35.20 | $2,112,000 | 4,098,933 Indirect | -1.44% | Disposed | 448.3% (price as of 2026-08-21) |
| March 6, 2006 | NTAP | S 10b5-1 | 35,000 | $34.03 | $1,191,050 | 4,098,933 Indirect | -0.85% | Disposed | 467.1% (price as of 2026-08-21) |
| Feb. 23, 2006 | NTAP | S 10b5-1 | 35,000 | $32.88 | $1,150,800 | 4,133,933 Indirect | -0.84% | Disposed | 487.0% (price as of 2026-08-21) |
| Jan. 5, 2006 | NTAP | S 10b5-1 | 35,000 | $28.14 | $984,900 | 4,168,933 Indirect | -0.83% | Disposed | 585.8% (price as of 2026-08-21) |
| Dec. 12, 2005 | NTAP | S | 100,000 | $29.52 | $2,952,000 | 4,203,933 Indirect | -2.32% | Disposed | 553.8% (price as of 2026-08-21) |
| Dec. 6, 2005 | NTAP | S 10b5-1 | 35,000 | $29.41 | $1,029,350 | 4,203,933 Indirect | -0.83% | Disposed | 556.2% (price as of 2026-08-21) |
| Nov. 29, 2005 | NTAP | S | 16,400 | $29.54 | $484,456 | 52,600 Indirect | -23.77% | Disposed | 553.3% (price as of 2026-08-21) |
| Nov. 29, 2005 | NTAP | S | 16,400 | $29.54 | $484,456 | 52,600 Indirect | -23.77% | Disposed | 553.3% (price as of 2026-08-21) |
| Nov. 29, 2005 | NTAP | S | 38,500 | $29.56 | $1,138,060 | 4,290,573 Indirect | -0.89% | Disposed | 552.9% (price as of 2026-08-21) |
| Nov. 29, 2005 | NTAP | S | 50,000 | $29.77 | $1,488,500 | 4,240,573 Indirect | -1.17% | Disposed | 548.3% (price as of 2026-08-21) |
| Nov. 29, 2005 | NTAP | S | 1,640 | $29.75 | $48,790 | 4,238,933 Indirect | -0.04% | Disposed | 548.7% (price as of 2026-08-21) |
| Nov. 18, 2005 | NTAP | S | 7,000 | $29.83 | $208,810 | 4,283,573 Indirect | -0.16% | Disposed | 547.0% (price as of 2026-08-21) |
| Nov. 18, 2005 | NTAP | S | 4,500 | $29.75 | $133,875 | 4,279,073 Indirect | -0.11% | Disposed | 548.7% (price as of 2026-08-21) |
| Nov. 2, 2005 | NTAP | S 10b5-1 | 35,000 | $27.43 | $960,050 | 4,290,573 Indirect | -0.81% | Disposed | 603.6% (price as of 2026-08-21) |
| Oct. 26, 2005 | NTAP | S 10b5-1 | 35,000 | $25.96 | $908,600 | 4,325,573 Indirect | -0.80% | Disposed | 643.4% (price as of 2026-08-21) |
| Aug. 2, 2005 | NTAP | S 10b5-1 | 35,000 | $25.94 | $907,900 | 4,360,573 Indirect | -0.80% | Disposed | 644.0% (price as of 2026-08-21) |
| July 5, 2005 | NTAP | S 10b5-1 | 35,000 | $28.39 | $993,650 | 4,395,573 Indirect | -0.79% | Disposed | 579.8% (price as of 2026-08-21) |
| June 30, 2005 | NTAP | S 10b5-1 | 33,000 | $28.61 | $944,130 | 4,430,573 Indirect | -0.74% | Disposed | 574.6% (price as of 2026-08-21) |
| June 23, 2005 | NTAP | S | 50,000 | $30.05 | $1,502,500 | 4,463,573 Indirect | -1.11% | Disposed | 542.2% (price as of 2026-08-21) |
| June 17, 2005 | NTAP | S | 50,000 | $30.20 | $1,510,000 | 4,413,573 Indirect | -1.12% | Disposed | 539.1% (price as of 2026-08-21) |
| June 16, 2005 | NTAP | S | 50,000 | $30.00 | $1,500,000 | 4,463,573 Indirect | -1.11% | Disposed | 543.3% (price as of 2026-08-21) |
| May 23, 2005 | NTAP | S 10b5-1 | 33,000 | $30.26 | $998,580 | 4,413,573 Indirect | -0.74% | Disposed | 537.8% (price as of 2026-08-21) |
| April 27, 2005 | NTAP | S 10b5-1 | 33,000 | $26.56 | $876,480 | 4,446,573 Indirect | -0.74% | Disposed | 626.6% (price as of 2026-08-21) |
| March 30, 2005 | NTAP | S 10b5-1 | 33,000 | $27.20 | $897,600 | 4,479,573 Indirect | -0.73% | Disposed | 609.5% (price as of 2026-08-21) |
| Feb. 24, 2005 | NTAP | S 10b5-1 | 33,000 | $29.58 | $976,140 | 4,512,573 Indirect | -0.73% | Disposed | 552.5% (price as of 2026-08-21) |
| Jan. 25, 2005 | NTAP | S 10b5-1 | 33,000 | $30.53 | $1,007,490 | 4,545,573 Indirect | -0.72% | Disposed | 532.1% (price as of 2026-08-21) |
| Dec. 31, 2004 | NTAP | S | 30,000 | $33.00 | $990,000 | 4,578,573 Indirect | -0.65% | Disposed | 484.8% (price as of 2026-08-21) |
| Dec. 30, 2004 | NTAP | S | 20,000 | $33.00 | $660,000 | 4,608,573 Indirect | -0.43% | Disposed | 484.8% (price as of 2026-08-21) |
| Dec. 29, 2004 | NTAP | S 10b5-1 | 33,000 | $32.63 | $1,076,790 | 4,628,573 Indirect | -0.71% | Disposed | 491.5% (price as of 2026-08-21) |
| Dec. 17, 2004 | NTAP | S | 40,000 | $34.25 | $1,370,000 | 4,611,573 Indirect | -0.86% | Disposed | 463.5% (price as of 2026-08-21) |
Showing latest 100 of 163 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 7, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $15.71 | May 8, 2013 | 50,000 | Disposed |
| April 9, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $15.32 | Feb. 6, 2012 | 50,000 | Disposed |
| March 7, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $15.32 | Feb. 6, 2012 | 50,000 | Disposed |
| Feb. 7, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $15.32 | Feb. 6, 2012 | 25,000 | Disposed |
| Feb. 7, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $15.32 | Feb. 6, 2012 | 25,000 | Disposed |
| Jan. 8, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (3,524) | $9.99 | Oct. 31, 2012 | 3,524 | Disposed |
| Jan. 8, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (2,648) | $14.17 | Jan. 2, 2010 | 2,648 | Disposed |
| Jan. 8, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $15.32 | Feb. 6, 2012 | 40,000 | Disposed |
| Jan. 8, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (2,272) | $15.71 | May 8, 2013 | 2,272 | Disposed |
| Jan. 8, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (1,556) | $17.15 | Jan. 1, 2011 | 1,556 | Disposed |
| Dec. 15, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $9.99 | Oct. 31, 2012 | 25,000 | Disposed |
| Nov. 7, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (21,476) | $9.99 | Oct. 31, 2012 | 21,476 | Disposed |
| Nov. 7, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (3,524) | $11.25 | May 24, 2009 | 3,524 | Disposed |
| Oct. 20, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $11.25 | May 24, 2009 | 25,000 | Disposed |
| Sept. 20, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (40,000) | $11.25 | May 24, 2009 | 40,000 | Disposed |
| Sept. 18, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $11.25 | May 24, 2009 | 25,000 | Disposed |
| Sept. 1, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $11.25 | May 24, 2009 | 25,000 | Disposed |
| June 1, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (100,000) | $32.50 | May 31, 2013 | 100,000 | Acquired |
| March 17, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (42,016) | $11.25 | May 24, 2009 | 42,016 | Disposed |
| March 17, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (17,984) | $11.25 | May 24, 2009 | 17,984 | Disposed |
| Dec. 12, 2005 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (100,000) | $11.25 | May 24, 2009 | 100,000 | Disposed |
| Nov. 29, 2005 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $9.99 | Oct. 31, 2012 | 50,000 | Disposed |
| June 22, 2005 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (100,000) | $11.25 | May 24, 2009 | 100,000 | Disposed |
| June 16, 2005 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (100,000) | $9.99 | Oct. 31, 2012 | 100,000 | Disposed |
| June 1, 2005 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (70,000) | $29.24 | May 31, 2015 | 70,000 | Acquired |
| Dec. 21, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $4.51 | April 30, 2008 | 50,000 | Disposed |
| Dec. 6, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $4.51 | April 30, 2008 | 50,000 | Disposed |
| Aug. 30, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $4.51 | April 30, 2008 | 50,000 | Disposed |
| June 2, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (50,000) | $4.51 | April 30, 2008 | 50,000 | Disposed |
| May 3, 2004 | NTAP | Incentive Stock Option (right to buy) | Common Stock (5,216) | $19.17 | May 2, 2014 | 5,216 | Acquired |
| May 3, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (84,784) | $19.17 | May 2, 2014 | 84,784 | Acquired |
| Feb. 24, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (2,252) | $3.57 | Jan. 1, 2013 | 2,252 | Disposed |
| Feb. 24, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (100,000) | $4.51 | April 30, 2008 | 100,000 | Disposed |
| Nov. 25, 2003 | NTAP | Non Qualified Stock Option (right to buy) | Common Stock (4,000) | $3.57 | Jan. 1, 2013 | 4,000 | Disposed |
| Nov. 21, 2003 | NTAP | Non Qualified Stock Option (right to buy) | Common Stock (100,000) | $4.51 | April 30, 2008 | 100,000 | Disposed |
| Aug. 28, 2003 | NTAP | Incentive Stock Option (right to buy) | Common Stock (61,408) | $1.94 | April 1, 2007 | 61,408 | Disposed |
| Aug. 28, 2003 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (9,330) | $1.94 | April 1, 2007 | 9,330 | Disposed |
| Aug. 28, 2003 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock (4,262) | $3.57 | Jan. 1, 2013 | 4,262 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).