On this page
Robert T Wall
Insider
First SEC filing: Sept. 16, 2013 · Latest: Sept. 16, 2013
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 13, 2017 | NTAP | M | 2,856 | · | · | 38,904 Direct | +7.92% | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2017 | NTAP | M | 7,132 | · | · | 46,036 Direct | +18.33% | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2017 | NTAP | M | 2,856 | · | · | 7,132 Direct | -28.59% | Disposed | (price as of 2026-10-02) |
| Sept. 13, 2017 | NTAP | M | 7,132 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 27, 2016 | NTAP | S | 22,944 | $35.45 | $813,365 | 36,048 Direct | -38.89% | Disposed | 538.3% (price as of 2026-10-02) |
| Sept. 15, 2016 | NTAP | A | 7,132 | · | · | 9,988 Direct | +249.72% | Acquired | (price as of 2026-10-02) |
| Sept. 14, 2016 | NTAP | M | 7,916 | · | · | 58,992 Direct | +15.50% | Acquired | (price as of 2026-10-02) |
| Sept. 14, 2016 | NTAP | M | 7,916 | · | · | 2,856 Direct | -73.49% | Disposed | (price as of 2026-10-02) |
| Sept. 11, 2015 | NTAP | A | 7,916 | · | · | 10,772 Direct | +277.17% | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2015 | NTAP | M | 5,922 | · | · | 51,076 Direct | +13.12% | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2015 | NTAP | M | 5,922 | · | · | 2,856 Direct | -67.46% | Disposed | (price as of 2026-10-02) |
| Dec. 17, 2014 | NTAP | G | 2,561 | · | · | 45,154 Direct | -5.37% | Disposed | (price as of 2026-10-02) |
| Oct. 15, 2014 | NTAP | S | 20,000 | $38.53 | $770,600 | 50,571 Direct | -28.34% | Disposed | 487.3% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | M | 20,000 | $29.50 | $590,000 | 113,427 Direct | +21.41% | Acquired | 667.0% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | S | 20,000 | $43.23 | $864,600 | 93,427 Direct | -17.63% | Disposed | 423.4% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | M | 5,000 | $29.50 | $147,500 | 98,427 Direct | +5.35% | Acquired | 667.0% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | S | 5,000 | $43.23 | $216,150 | 93,427 Direct | -5.08% | Disposed | 423.4% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | M | 20,000 | $34.24 | $684,800 | 113,427 Direct | +21.41% | Acquired | 560.8% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | S | 20,000 | $43.23 | $864,600 | 93,427 Direct | -17.63% | Disposed | 423.4% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | S | 22,856 | $43.23 | $988,065 | 70,571 Direct | -24.46% | Disposed | 423.4% (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | M | 20,000 | · | · | 5,000 Direct | -80.00% | Disposed | (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 24, 2014 | NTAP | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 5, 2014 | NTAP | A | 5,922 | · | · | 5,922 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 4, 2014 | NTAP | M | 2,856 | · | · | 93,427 Direct | +3.15% | Acquired | (price as of 2026-10-02) |
| Sept. 4, 2014 | NTAP | M | 2,856 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 5,000 | $18.36 | $91,800 | 115,571 Direct | +4.52% | Acquired | 1132.4% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | S | 5,000 | $35.80 | $179,000 | 110,571 Direct | -4.33% | Disposed | 532.0% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 20,000 | $25.08 | $501,600 | 130,571 Direct | +18.09% | Acquired | 802.2% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | S | 20,000 | $35.80 | $716,000 | 110,571 Direct | -15.32% | Disposed | 532.0% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 20,000 | $27.02 | $540,400 | 130,571 Direct | +18.09% | Acquired | 737.4% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | S | 20,000 | $35.80 | $716,000 | 110,571 Direct | -15.32% | Disposed | 532.0% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 15,000 | $23.73 | $355,950 | 125,571 Direct | +13.57% | Acquired | 853.5% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | S | 15,000 | $35.80 | $537,000 | 110,571 Direct | -11.95% | Disposed | 532.0% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | S | 20,000 | $35.80 | $716,000 | 90,571 Direct | -18.09% | Disposed | 532.0% (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 26, 2014 | NTAP | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 13, 2013 | NTAP | A | 2,856 | · | · | 2,856 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2013 | NTAP | A | 11,416 | · | · | 11,416 Direct | · | Acquired | (price as of 2026-10-02) |
| June 28, 2013 | NTAP | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 28, 2013 | NTAP | S | 15,000 | $37.89 | $568,350 | 110,571 Direct | -11.95% | Disposed | 497.2% (price as of 2026-10-02) |
| June 28, 2013 | NTAP | M | 15,000 | $22.62 | $339,300 | 125,571 Direct | +13.57% | Acquired | 900.3% (price as of 2026-10-02) |
| Dec. 20, 2012 | NTAP | S | 27,000 | $34.08 | $920,160 | 110,571 Direct | -19.63% | Disposed | 563.9% (price as of 2026-10-02) |
| Aug. 31, 2012 | NTAP | A | 17,000 | · | · | 17,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2012 | NTAP | A | 3,000 | · | · | 20,000 Direct | +17.65% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2011 | NTAP | A | 17,000 | · | · | 17,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2011 | NTAP | A | 3,000 | · | · | 20,000 Direct | +17.65% | Acquired | (price as of 2026-10-02) |
| July 1, 2011 | NTAP | M | 15,000 | $20.61 | $309,150 | 192,571 Direct | +8.45% | Acquired | 997.9% (price as of 2026-10-02) |
| July 1, 2011 | NTAP | S | 55,000 | $54.36 | $2,989,800 | 137,571 Direct | -28.56% | Disposed | 316.2% (price as of 2026-10-02) |
| July 1, 2011 | NTAP | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 28, 2010 | NTAP | S | 30,000 | $51.02 | $1,530,600 | 177,571 Direct | -14.45% | Disposed | 343.5% (price as of 2026-10-02) |
| Sept. 2, 2010 | NTAP | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2010 | NTAP | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 2, 2010 | NTAP | S | 12,500 | $37.16 | $464,500 | 207,571 Direct | -5.68% | Disposed | 508.9% (price as of 2026-10-02) |
| Oct. 14, 2009 | NTAP | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 14, 2009 | NTAP | A | 5,000 | · | · | 25,000 Direct | +25.00% | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2009 | NTAP | M | 40,000 | $16.66 | $666,400 | 260,071 Direct | +18.18% | Acquired | 1258.2% (price as of 2026-10-02) |
| Sept. 16, 2009 | NTAP | S | 40,000 | $24.93 | $997,200 | 220,071 Direct | -15.38% | Disposed | 807.6% (price as of 2026-10-02) |
| Sept. 16, 2009 | NTAP | M | 40,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 23, 2009 | NTAP | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2009 | NTAP | G | 10,000 | · | · | 220,071 Direct | -4.35% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2008 | NTAP | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 3,585 | $20.30 | $72,776 | 256,486 Direct | -1.38% | Disposed | 1014.6% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 100 | $20.27 | $2,027 | 256,386 Direct | -0.04% | Disposed | 1016.3% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 2,900 | $20.26 | $58,754 | 253,486 Direct | -1.13% | Disposed | 1016.8% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 5,200 | $20.24 | $105,248 | 248,286 Direct | -2.05% | Disposed | 1017.9% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 2,400 | $20.22 | $48,528 | 245,886 Direct | -0.97% | Disposed | 1019.0% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 5,550 | $20.20 | $112,110 | 240,336 Direct | -2.26% | Disposed | 1020.1% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 600 | $20.19 | $12,114 | 239,736 Direct | -0.25% | Disposed | 1020.7% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 2,800 | $20.18 | $56,504 | 236,936 Direct | -1.17% | Disposed | 1021.3% (price as of 2026-10-02) |
| March 28, 2008 | NTAP | S | 6,865 | $20.15 | $138,330 | 230,071 Direct | -2.90% | Disposed | 1022.9% (price as of 2026-10-02) |
| Sept. 19, 2007 | NTAP | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 18, 2006 | NTAP | M | 15,000 | $10.51 | $157,650 | 245,071 Direct | +6.52% | Acquired | 2052.9% (price as of 2026-10-02) |
| Dec. 18, 2006 | NTAP | M | 15,000 | $9.80 | $147,000 | 260,071 Direct | +6.12% | Acquired | 2208.9% (price as of 2026-10-02) |
| Dec. 18, 2006 | NTAP | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 18, 2006 | NTAP | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 31, 2006 | NTAP | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 23, 2006 | NTAP | S | 40,000 | $34.91 | $1,396,400 | 230,071 Direct | -14.81% | Disposed | 548.2% (price as of 2026-10-02) |
| March 28, 2006 | NTAP | S | 30,000 | $35.27 | $1,058,100 | 270,071 Direct | -10.00% | Disposed | 541.5% (price as of 2026-10-02) |
| Aug. 31, 2005 | NTAP | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 14, 2005 | NTAP | J | 16,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 15, 2004 | NTAP | S | 43,300 | $34.02 | $1,473,066 | 300,071 Direct | -12.61% | Disposed | 565.1% (price as of 2026-10-02) |
| Dec. 13, 2004 | NTAP | S | 16,700 | $33.50 | $559,450 | 343,371 Direct | -4.64% | Disposed | 575.4% (price as of 2026-10-02) |
| Dec. 10, 2004 | NTAP | S | 20,576 | $33.20 | $683,123 | 360,071 Direct | -5.41% | Disposed | 581.5% (price as of 2026-10-02) |
| Sept. 2, 2004 | NTAP | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 26, 2004 | NTAP | S | 65,000 | $21.22 | $1,379,300 | 380,647 Direct | -14.59% | Disposed | 966.3% (price as of 2026-10-02) |
| March 25, 2004 | NTAP | S | 203,000 | $20.98 | $4,258,940 | 445,647 Direct | -31.30% | Disposed | 978.5% (price as of 2026-10-02) |
| March 24, 2004 | NTAP | M | 115,000 | $0.45 | $51,750 | 648,647 Direct | +21.55% | Acquired | 50182.2% (price as of 2026-10-02) |
| March 24, 2004 | NTAP | M | 115,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 23, 2003 | NTAP | S | 200,000 | $20.31 | $4,062,000 | 533,647 Direct | -27.26% | Disposed | 1014.1% (price as of 2026-10-02) |
| Dec. 22, 2003 | NTAP | S | 100,000 | $19.83 | $1,983,000 | 733,647 Direct | -12.00% | Disposed | 1041.0% (price as of 2026-10-02) |
| Sept. 5, 2003 | NTAP | S | 40,000 | $23.52 | $940,800 | 733,647 Direct | -5.17% | Disposed | 862.0% (price as of 2026-10-02) |
| Sept. 4, 2003 | NTAP | S | 80,000 | $23.41 | $1,872,800 | 773,647 Direct | -9.37% | Disposed | 866.6% (price as of 2026-10-02) |
| Sept. 3, 2003 | NTAP | S | 80,000 | $23.23 | $1,858,400 | 854,537 Direct | -8.56% | Disposed | 874.0% (price as of 2026-10-02) |
| Sept. 3, 2003 | NTAP | G | 890 | · | · | 853,647 Direct | -0.10% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2003 | NTAP | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 13, 2017 | NTAP | Restricted Stock Unit | Common Stock | · | · | 2,856 | Disposed |
| Sept. 13, 2017 | NTAP | Restricted Stock Unit | Common Stock | · | · | 7,132 | Disposed |
| Sept. 15, 2016 | NTAP | Restricted Stock Unit | Common Stock | · | · | 7,132 | Acquired |
| Sept. 14, 2016 | NTAP | Restricted Stock Unit | Common Stock | · | · | 7,916 | Disposed |
| Sept. 11, 2015 | NTAP | Restricted Stock Unit | Common Stock | · | · | 7,916 | Acquired |
| Sept. 10, 2015 | NTAP | Restricted Stock Unit | Common Stock | $0.00 | · | 5,922 | Disposed |
| Sept. 24, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $29.50 | Oct. 13, 2016 | 20,000 | Disposed |
| Sept. 24, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $29.50 | Oct. 13, 2016 | 5,000 | Disposed |
| Sept. 24, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $34.24 | Aug. 30, 2016 | 20,000 | Disposed |
| Sept. 5, 2014 | NTAP | Restricted Stock Unit | Common Stock | $0.00 | · | 5,922 | Acquired |
| Sept. 4, 2014 | NTAP | Restricted Stock Unit | Common Stock | $0.00 | · | 2,856 | Disposed |
| June 26, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $18.36 | April 22, 2016 | 5,000 | Disposed |
| June 26, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $23.73 | Aug. 30, 2015 | 15,000 | Disposed |
| June 26, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $25.08 | Sept. 1, 2015 | 20,000 | Disposed |
| June 26, 2014 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $27.02 | Sept. 18, 2014 | 20,000 | Disposed |
| Sept. 13, 2013 | NTAP | Restricted Stock Unit | Common Stock | $0.00 | · | 2,856 | Acquired |
| Sept. 13, 2013 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $43.77 | Sept. 12, 2020 | 11,416 | Acquired |
| June 28, 2013 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $22.62 | Sept. 1, 2013 | 15,000 | Disposed |
| Aug. 31, 2012 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $34.52 | Aug. 30, 2019 | 17,000 | Acquired |
| Aug. 31, 2012 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $34.52 | Aug. 30, 2019 | 3,000 | Acquired |
| Aug. 31, 2011 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $37.62 | Aug. 30, 2018 | 17,000 | Acquired |
| Aug. 31, 2011 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $37.62 | Aug. 30, 2018 | 3,000 | Acquired |
| July 1, 2011 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $20.61 | Sept. 1, 2014 | 15,000 | Disposed |
| Sept. 2, 2010 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $43.07 | Sept. 1, 2017 | 5,000 | Acquired |
| Aug. 31, 2010 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $40.38 | Aug. 30, 2017 | 20,000 | Acquired |
| Oct. 14, 2009 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $29.50 | Oct. 13, 2016 | 20,000 | Acquired |
| Oct. 14, 2009 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $29.50 | Oct. 13, 2016 | 5,000 | Acquired |
| Sept. 16, 2009 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $16.66 | Oct. 25, 2009 | 40,000 | Disposed |
| April 23, 2009 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $18.36 | April 22, 2016 | 5,000 | Acquired |
| Sept. 2, 2008 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $25.08 | Sept. 1, 2015 | 20,000 | Acquired |
| Sept. 19, 2007 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $27.02 | Sept. 18, 2014 | 20,000 | Acquired |
| Dec. 18, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $9.80 | Aug. 28, 2012 | 15,000 | Disposed |
| Dec. 18, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $10.51 | Oct. 17, 2011 | 15,000 | Disposed |
| Aug. 31, 2006 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $34.24 | Aug. 30, 2016 | 20,000 | Acquired |
| Aug. 31, 2005 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $23.73 | Aug. 30, 2015 | 15,000 | Acquired |
| Sept. 2, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $20.61 | Sept. 1, 2014 | 15,000 | Acquired |
| March 24, 2004 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $0.45 | Sept. 26, 2005 | 115,000 | Disposed |
| Sept. 2, 2003 | NTAP | Non-Qualified Stock Option (right to buy) | Common Stock | $22.62 | Sept. 1, 2013 | 15,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).