David C Anderson
CIK 1363422 · View on SEC EDGAR ↗
First SEC filing: May 7, 2018 · Latest: May 7, 2018
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 3, 2018 | NPKI | S | 20,000 | $10.26 | $205,200 | 150,841 Direct | -11.71% | Disposed | 35.2% (price as of 2026-08-20) |
| May 3, 2018 | NPKI | S | 20,000 | $10.26 | $205,200 | 150,841 Direct | -11.71% | Disposed | 35.2% (price as of 2026-08-20) |
| Nov. 14, 2017 | NPKI | S | 17,000 | $8.91 | $151,470 | 170,841 Direct | -9.05% | Disposed | 55.7% (price as of 2026-08-20) |
| June 2, 2017 | NPKI | S | 15,124 | $7.35 | $111,161 | 187,841 Direct | -7.45% | Disposed | 88.7% (price as of 2026-08-20) |
| Aug. 13, 2014 | NPKI | S | 5,000 | $12.55 | $62,750 | 122,932 Direct | -3.91% | Disposed | 10.5% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 1,000 | $11.10 | $11,100 | 119,785 Direct | -0.83% | Disposed | 25.0% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 700 | $11.14 | $7,798 | 119,085 Direct | -0.58% | Disposed | 24.5% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 2,503 | $11.15 | $27,908 | 116,582 Direct | -2.10% | Disposed | 24.4% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 1,599 | $11.20 | $17,909 | 114,983 Direct | -1.37% | Disposed | 23.8% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 1,000 | $11.20 | $11,200 | 113,983 Direct | -0.87% | Disposed | 23.8% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 401 | $11.21 | $4,495 | 113,582 Direct | -0.35% | Disposed | 23.7% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 400 | $11.28 | $4,512 | 113,182 Direct | -0.35% | Disposed | 23.0% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 1,600 | $11.27 | $18,032 | 111,582 Direct | -1.41% | Disposed | 23.1% (price as of 2026-08-20) |
| May 13, 2013 | NPKI | S | 797 | $11.16 | $8,895 | 110,785 Direct | -0.71% | Disposed | 24.3% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 2,000 | $6.82 | $13,640 | 110,785 Direct | -1.77% | Disposed | 103.4% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 1,020 | $6.82 | $6,956 | 112,785 Direct | -0.90% | Disposed | 103.4% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 100 | $6.82 | $682 | 113,805 Direct | -0.09% | Disposed | 103.4% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 700 | $6.83 | $4,781 | 113,905 Direct | -0.61% | Disposed | 103.1% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 100 | $6.84 | $684 | 114,605 Direct | -0.09% | Disposed | 102.8% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 700 | $6.84 | $4,788 | 114,705 Direct | -0.61% | Disposed | 102.8% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 2,200 | $6.85 | $15,070 | 115,405 Direct | -1.87% | Disposed | 102.5% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 100 | $6.85 | $685 | 117,605 Direct | -0.08% | Disposed | 102.5% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 300 | $6.86 | $2,058 | 117,705 Direct | -0.25% | Disposed | 102.2% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 200 | $6.89 | $1,378 | 118,005 Direct | -0.17% | Disposed | 101.3% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 900 | $6.88 | $6,192 | 118,205 Direct | -0.76% | Disposed | 101.6% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 700 | $6.88 | $4,816 | 119,105 Direct | -0.58% | Disposed | 101.6% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 500 | $6.87 | $3,435 | 119,805 Direct | -0.42% | Disposed | 101.9% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 1,000 | $6.86 | $6,860 | 120,305 Direct | -0.82% | Disposed | 102.2% (price as of 2026-08-20) |
| July 31, 2012 | NPKI | S | 1,800 | $6.86 | $12,348 | 121,305 Direct | -1.46% | Disposed | 102.2% (price as of 2026-08-20) |
| Nov. 3, 2011 | NPKI | S | 100 | $9.12 | $912 | 99,682 Direct | -0.10% | Disposed | 52.1% (price as of 2026-08-20) |
| Nov. 3, 2011 | NPKI | S | 7,900 | $9.11 | $71,969 | 99,782 Direct | -7.34% | Disposed | 52.3% (price as of 2026-08-20) |
| Nov. 1, 2011 | NPKI | S | 700 | $8.37 | $5,859 | 99,682 Direct | -0.70% | Disposed | 65.7% (price as of 2026-08-20) |
| Nov. 1, 2011 | NPKI | S | 100 | $8.36 | $836 | 100,382 Direct | -0.10% | Disposed | 65.9% (price as of 2026-08-20) |
| Nov. 1, 2011 | NPKI | S | 100 | $8.36 | $836 | 100,482 Direct | -0.10% | Disposed | 65.9% (price as of 2026-08-20) |
| Nov. 1, 2011 | NPKI | S | 100 | $8.36 | $836 | 100,582 Direct | -0.10% | Disposed | 65.9% (price as of 2026-08-20) |
| Nov. 1, 2011 | NPKI | S | 1,000 | $8.36 | $8,360 | 100,682 Direct | -0.98% | Disposed | 65.9% (price as of 2026-08-20) |
| June 11, 2010 | NPKI | S | 100 | $6.20 | $620 | 65,991 Direct | -0.15% | Disposed | 123.7% (price as of 2026-08-20) |
| June 11, 2010 | NPKI | S | 3,667 | $6.20 | $22,735 | 66,091 Direct | -5.26% | Disposed | 123.7% (price as of 2026-08-20) |
| June 11, 2010 | NPKI | S | 100 | $6.20 | $620 | 69,758 Direct | -0.14% | Disposed | 123.7% (price as of 2026-08-20) |
| June 11, 2010 | NPKI | S | 400 | $6.20 | $2,480 | 69,858 Direct | -0.57% | Disposed | 123.7% (price as of 2026-08-20) |
| June 11, 2010 | NPKI | S | 7,600 | $6.20 | $47,120 | 70,258 Direct | -9.76% | Disposed | 123.7% (price as of 2026-08-20) |
| June 11, 2010 | NPKI | S | 100 | $6.20 | $620 | 77,858 Direct | -0.13% | Disposed | 123.7% (price as of 2026-08-20) |
| Nov. 7, 2007 | NPKI | P | 6,000 | $5.44 | $32,640 | 30,000 Direct | +25.00% | Acquired | 155.0% (price as of 2026-08-20) |
| Nov. 7, 2007 | NPKI | P | 826 | $5.43 | $4,485 | 24,000 Direct | +3.56% | Acquired | 155.4% (price as of 2026-08-20) |
| Nov. 7, 2007 | NPKI | P | 3,174 | $5.42 | $17,203 | 23,174 Direct | +15.87% | Acquired | 155.9% (price as of 2026-08-20) |
| Dec. 13, 2006 | NPKI | P | 10,000 | $6.99 | $69,900 | 10,000 Direct | — | Acquired | 98.4% (price as of 2026-08-20) |
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 13, 2013 | NPKI | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | $7.17 | Dec. 28, 2016 | 10,000 | Disposed |
| Nov. 3, 2011 | NPKI | Non-Qualified Stock Option (right to buy) | Common Stock (8,000) | $5.11 | Sept. 13, 2016 | 8,000 | Disposed |
| Nov. 1, 2011 | NPKI | Non-Qualified Stock Option (right to buy) | Common Stock (2,000) | $5.11 | Sept. 13, 2016 | 2,000 | Disposed |
| Dec. 28, 2006 | NPKI | Stock Options (right to buy) | Common Stock (10,000) | $7.17 | Dec. 28, 2016 | 10,000 | Acquired |
| Sept. 13, 2006 | NPKI | Stock Option (right to buy) | Common Stock (10,000) | $5.11 | Sept. 13, 2016 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).