Richard N Cardozo

CIK 1230868 · View on SEC EDGAR ↗

Insider

First SEC filing: May 16, 2018 · Latest: May 16, 2018

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Insider at

Insider transactions

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

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 15, 2018 NPK P 10b5-1 200 $101.25 $20,250 2,800 Indirect +7.69% Acquired 50.3% (price as of 2026-08-21)
March 20, 2018 NPK P 10b5-1 200 $99.85 $19,970 2,600 Indirect +8.33% Acquired 52.4% (price as of 2026-08-21)
Nov. 14, 2017 NPK P 10b5-1 100 $115.90 $11,590 2,300 Indirect +4.55% Acquired 31.3% (price as of 2026-08-21)
Nov. 14, 2017 NPK P 10b5-1 100 $113.85 $11,385 2,400 Indirect +4.35% Acquired 33.7% (price as of 2026-08-21)
Aug. 15, 2017 NPK P 10b5-1 200 $107.95 $21,590 2,200 Indirect +10.00% Acquired 41.0% (price as of 2026-08-21)
May 17, 2016 NPK P 10b5-1 25 $87.84 $2,196 1,725 Indirect +1.47% Acquired 73.3% (price as of 2026-08-21)
May 17, 2016 NPK P 10b5-1 25 $87.84 $2,196 1,750 Indirect +1.45% Acquired 73.3% (price as of 2026-08-21)
May 17, 2016 NPK P 10b5-1 250 $87.84 $21,960 2,000 Indirect +14.29% Acquired 73.3% (price as of 2026-08-21)
March 17, 2016 NPK P 10b5-1 25 $82.00 $2,050 1,425 Indirect +1.79% Acquired 85.6% (price as of 2026-08-21)
March 17, 2016 NPK P 10b5-1 25 $82.00 $2,050 1,450 Indirect +1.75% Acquired 85.6% (price as of 2026-08-21)
March 17, 2016 NPK P 10b5-1 250 $82.00 $20,500 1,700 Indirect +17.24% Acquired 85.6% (price as of 2026-08-21)
Nov. 17, 2015 NPK P 10b5-1 25 $86.40 $2,160 1,125 Indirect +2.27% Acquired 76.2% (price as of 2026-08-21)
Nov. 17, 2015 NPK P 10b5-1 25 $86.27 $2,157 1,150 Indirect +2.22% Acquired 76.4% (price as of 2026-08-21)
Nov. 17, 2015 NPK P 10b5-1 250 $86.27 $21,568 1,400 Indirect +21.74% Acquired 76.4% (price as of 2026-08-21)
Aug. 18, 2015 NPK P 10b5-1 25 $82.86 $2,072 825 Indirect +3.12% Acquired 83.7% (price as of 2026-08-21)
Aug. 18, 2015 NPK P 10b5-1 25 $82.86 $2,072 850 Indirect +3.03% Acquired 83.7% (price as of 2026-08-21)
Aug. 18, 2015 NPK P 10b5-1 250 $82.86 $20,715 1,100 Indirect +29.41% Acquired 83.7% (price as of 2026-08-21)
March 18, 2015 NPK P 10b5-1 25 $59.25 $1,481 775 Indirect +3.33% Acquired 156.9% (price as of 2026-08-21)
March 18, 2015 NPK P 10b5-1 25 $59.25 $1,481 800 Indirect +3.23% Acquired 156.9% (price as of 2026-08-21)
Nov. 11, 2014 NPK P 10b5-1 25 $60.82 $1,520 725 Indirect +3.57% Acquired 150.3% (price as of 2026-08-21)
Nov. 11, 2014 NPK P 10b5-1 25 $60.82 $1,520 750 Indirect +3.45% Acquired 150.3% (price as of 2026-08-21)
Aug. 12, 2014 NPK P 10b5-1 25 $66.45 $1,661 675 Indirect +3.85% Acquired 129.1% (price as of 2026-08-21)
Aug. 12, 2014 NPK P 10b5-1 25 $66.45 $1,661 700 Indirect +3.70% Acquired 129.1% (price as of 2026-08-21)
May 13, 2014 NPK P 10b5-1 25 $71.13 $1,778 625 Indirect +4.17% Acquired 114.0% (price as of 2026-08-21)
May 13, 2014 NPK P 10b5-1 25 $71.19 $1,780 650 Indirect +4.00% Acquired 113.8% (price as of 2026-08-21)
March 19, 2014 NPK P 10b5-1 50 $81.10 $4,055 600 Indirect +9.09% Acquired 87.7% (price as of 2026-08-21)
Nov. 12, 2013 NPK P 10b5-1 50 $69.80 $3,490 550 Indirect +10.00% Acquired 118.1% (price as of 2026-08-21)
Aug. 13, 2013 NPK P 10b5-1 50 $72.21 $3,610 500 Indirect +11.11% Acquired 110.8% (price as of 2026-08-21)
May 14, 2013 NPK P 10b5-1 50 $77.37 $3,868 450 Indirect +12.50% Acquired 96.7% (price as of 2026-08-21)
March 20, 2013 NPK P 50 $78.50 $3,925 400 Indirect +14.29% Acquired 93.9% (price as of 2026-08-21)
Nov. 13, 2012 NPK P 50 $71.56 $3,578 350 Indirect +16.67% Acquired 112.7% (price as of 2026-08-21)
Aug. 14, 2012 NPK P 50 $71.72 $3,586 300 Indirect +20.00% Acquired 112.2% (price as of 2026-08-21)
May 15, 2012 NPK P 50 $68.50 $3,425 250 Indirect +25.00% Acquired 122.2% (price as of 2026-08-21)
May 15, 2012 NPK P 50 $68.50 $3,425 250 Indirect +25.00% Acquired 122.2% (price as of 2026-08-21)
March 19, 2012 NPK P 50 $78.92 $3,946 200 Indirect +33.33% Acquired 92.9% (price as of 2026-08-21)
Nov. 15, 2011 NPK P 50 $92.68 $4,634 150 Indirect +50.00% Acquired 64.2% (price as of 2026-08-21)
Aug. 16, 2011 NPK P 50 $93.80 $4,690 100 Indirect +100.00% Acquired 62.3% (price as of 2026-08-21)
May 17, 2011 NPK P 50 $106.00 $5,300 50 Indirect Acquired 43.6% (price as of 2026-08-21)

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.