Jerry Box

CIK 1191405 · View on SEC EDGAR ↗

Insider

First SEC filing: May 1, 2014 · Latest: May 1, 2014

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 29 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

29 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 4, 2013 NPKI S 4,200 $11.29 $47,418 126,045 Direct -3.22% Disposed 22.9% (price as of 2026-08-20)
Sept. 4, 2013 NPKI S 500 $11.28 $5,640 130,245 Direct -0.38% Disposed 23.0% (price as of 2026-08-20)
Sept. 4, 2013 NPKI S 4,700 $11.28 $53,016 130,745 Direct -3.47% Disposed 23.0% (price as of 2026-08-20)
Sept. 4, 2013 NPKI S 600 $11.28 $6,768 135,445 Direct -0.44% Disposed 23.0% (price as of 2026-08-20)
May 16, 2013 NPKI S 6,000 $11.31 $67,860 111,172 Direct -5.12% Disposed 22.6% (price as of 2026-08-20)
May 16, 2013 NPKI S 1,000 $11.29 $11,290 117,172 Direct -0.85% Disposed 22.9% (price as of 2026-08-20)
May 16, 2013 NPKI S 3,000 $11.29 $33,870 118,172 Direct -2.48% Disposed 22.9% (price as of 2026-08-20)
May 16, 2013 NPKI S 3,000 $11.28 $33,840 121,172 Direct -2.42% Disposed 23.0% (price as of 2026-08-20)
May 16, 2013 NPKI S 3,700 $11.28 $41,736 124,172 Direct -2.89% Disposed 23.0% (price as of 2026-08-20)
May 3, 2013 NPKI S 900 $10.88 $9,792 111,172 Direct -0.80% Disposed 27.5% (price as of 2026-08-20)
May 3, 2013 NPKI S 3,500 $10.80 $37,800 112,072 Direct -3.03% Disposed 28.4% (price as of 2026-08-20)
May 3, 2013 NPKI S 1,796 $10.80 $19,397 115,572 Direct -1.53% Disposed 28.4% (price as of 2026-08-20)
May 3, 2013 NPKI S 835 $10.81 $9,026 117,368 Direct -0.71% Disposed 28.3% (price as of 2026-08-20)
May 3, 2013 NPKI S 1,235 $10.82 $13,363 118,203 Direct -1.03% Disposed 28.2% (price as of 2026-08-20)
May 3, 2013 NPKI S 200 $10.85 $2,170 119,438 Direct -0.17% Disposed 27.8% (price as of 2026-08-20)
May 3, 2013 NPKI S 200 $10.86 $2,172 119,638 Direct -0.17% Disposed 27.7% (price as of 2026-08-20)
May 3, 2013 NPKI S 400 $10.85 $4,340 119,838 Direct -0.33% Disposed 27.8% (price as of 2026-08-20)
May 3, 2013 NPKI S 934 $10.89 $10,171 120,238 Direct -0.77% Disposed 27.4% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 300 $8.99 $2,697 121,172 Direct -0.25% Disposed 54.3% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 900 $8.98 $8,082 121,472 Direct -0.74% Disposed 54.5% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 300 $8.97 $2,691 122,372 Direct -0.24% Disposed 54.6% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 100 $8.96 $896 122,672 Direct -0.08% Disposed 54.8% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 1,043 $8.96 $9,345 122,772 Direct -0.84% Disposed 54.8% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 340 $8.95 $3,043 123,815 Direct -0.27% Disposed 55.0% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 3,817 $8.95 $34,162 124,155 Direct -2.98% Disposed 55.0% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 100 $8.94 $894 127,972 Direct -0.08% Disposed 55.1% (price as of 2026-08-20)
Feb. 20, 2013 NPKI S 2,500 $8.93 $22,325 128,072 Direct -1.91% Disposed 55.3% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 100 $7.17 $717 121,172 Direct -0.08% Disposed 93.4% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 1,500 $7.27 $10,905 121,272 Direct -1.22% Disposed 90.8% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 100 $7.27 $727 122,772 Direct -0.08% Disposed 90.8% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 1,151 $7.27 $8,368 122,872 Direct -0.93% Disposed 90.8% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 400 $7.26 $2,904 124,023 Direct -0.32% Disposed 91.0% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 1,000 $7.25 $7,250 124,423 Direct -0.80% Disposed 91.3% (price as of 2026-08-20)
Nov. 20, 2012 NPKI S 10,749 $7.25 $77,930 125,423 Direct -7.89% Disposed 91.3% (price as of 2026-08-20)
Aug. 30, 2011 NPKI S 7,000 $8.34 $58,380 112,749 Direct -5.85% Disposed 66.3% (price as of 2026-08-20)
Dec. 11, 2006 NPKI P 10,000 $6.61 $66,100 28,100 Direct +55.25% Acquired 109.8% (price as of 2026-08-20)
Dec. 11, 2006 NPKI P 10,000 $6.61 $66,100 28,100 Direct +55.25% Acquired 109.8% (price as of 2026-08-20)
March 12, 2004 NPKI P 5,000 $5.40 $27,000 5,000 Direct — Acquired 156.9% (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
Sept. 4, 2013 NPKI Non-Qualified Stock Option (right to buy) Common Stock (10,000) $7.17 Dec. 28, 2016 10,000 Disposed
May 16, 2013 NPKI Non-Qualified Stock Option (right to buy) Common Stock (10,000) $6.27 June 8, 2015 10,000 Disposed
May 16, 2013 NPKI Non-Qualified Stock Option (right to buy) Common Stock (6,700) $5.61 June 9, 2014 6,700 Disposed
Feb. 20, 2013 NPKI Non-Qualified Stock Option (right to buy) Common Stock (9,400) $6.15 June 11, 2013 9,400 Disposed
Dec. 28, 2006 NPKI Stock Options (right to buy) Common Stock (10,000) $7.17 Dec. 28, 2016 10,000 Acquired
April 5, 2006 NPKI Option to Purchase Common Stock (600) $6.15 June 11, 2013 600 Acquired
April 5, 2006 NPKI Option to Purchase Common Stock (3,400) $4.37 March 12, 2013 3,400 Acquired
Aug. 1, 2005 NPKI Option to Purchase Common Stock (3,300) $5.61 June 9, 2014 3,300 Acquired
Aug. 1, 2005 NPKI Option to Purchase Common Stock (6,600) $4.37 March 12, 2013 6,600 Acquired
June 8, 2005 NPKI Stock Options (right to buy) Common Stock (10,000) $6.27 June 8, 2012 10,000 Acquired
June 8, 2005 NPKI Stock Options (right to buy) Options (10,000) $6.27 June 8, 2012 10,000 Acquired
June 9, 2004 NPKI Non-Qualified Stock Option (right to buy) Common Stock (10,000) $5.61 June 9, 2014 10,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).