PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| NPK | CARDOZO RICHARD N | Director | May 15 '18 | Buy | 101.25 | 200 | 20,250 | 2,800 | May 16 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Mar 20 '18 | Buy | 99.85 | 200 | 19,970 | 2,600 | Mar 20 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Nov 14 '17 | Buy | 114.88 | 200 | 22,975 | 2,400 | Nov 15 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Aug 15 '17 | Buy | 107.95 | 200 | 21,590 | 2,200 | Aug 16 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | May 17 '16 | Buy | 87.84 | 300 | 26,352 | 2,000 | May 18 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Mar 17 '16 | Buy | 82.00 | 300 | 24,600 | 1,700 | Mar 17 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Nov 17 '15 | Buy | 86.28 | 300 | 25,885 | 1,400 | Nov 18 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Aug 18 '15 | Buy | 82.86 | 300 | 24,859 | 1,100 | Aug 18 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Mar 18 '15 | Buy | 59.25 | 50 | 2,962 | 800 | Mar 18 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Nov 11 '14 | Buy | 60.82 | 50 | 3,042 | 750 | Nov 12 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Aug 12 '14 | Buy | 66.45 | 50 | 3,322 | 700 | Aug 14 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | May 13 '14 | Buy | 71.16 | 50 | 3,558 | 650 | May 13 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Mar 19 '14 | Buy | 81.10 | 50 | 4,055 | 600 | Mar 19 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Nov 12 '13 | Buy | 69.80 | 50 | 3,490 | 550 | Nov 12 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Aug 13 '13 | Buy | 72.21 | 50 | 3,610 | 500 | Aug 13 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | May 14 '13 | Buy | 77.37 | 50 | 3,869 | 450 | May 14 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Mar 20 '13 | Buy | 78.50 | 50 | 3,925 | 400 | Mar 20 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Nov 13 '12 | Buy | 71.56 | 50 | 3,578 | 350 | Nov 13 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Aug 14 '12 | Buy | 71.72 | 50 | 3,586 | 300 | Aug 14 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | May 15 '12 | Buy | 68.50 | 100 | 6,850 | 250 | May 16 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Mar 19 '12 | Buy | 78.92 | 50 | 3,946 | 200 | Mar 20 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Nov 15 '11 | Buy | 92.68 | 50 | 4,634 | 150 | Nov 15 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | Aug 16 '11 | Buy | 93.80 | 50 | 4,690 | 100 | Aug 16 12:00 AM |
| NPK | CARDOZO RICHARD N | Director | May 17 '11 | Buy | 106.00 | 50 | 5,300 | 50 | May 18 12:00 AM |