FILINGS
NPK 0000080172 | |||
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Filing Date | Form Type | Description | Document |
2015-04-14 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
2015-03-18 | 4 | PRIMARY DOCUMENT | View Document |
2015-03-18 | 4 | PRIMARY DOCUMENT | View Document |
2015-03-18 | 4 | PRIMARY DOCUMENT | View Document |
2015-03-16 | 10-K | FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2014 | View Document |
2015-02-17 | 8-K | CURRENT REPORT | View Document |
2015-02-10 | SC 13G | View Document | |
2015-02-06 | 4 | PRIMARY DOCUMENT | View Document |
2015-02-06 | 4 | PRIMARY DOCUMENT | View Document |
2015-02-06 | 4 | PRIMARY DOCUMENT | View Document |
2015-02-06 | 4 | PRIMARY DOCUMENT | View Document |
2015-01-29 | SC 13G/A | View Document | |
2015-01-15 | SC 13G/A | View Document | |
2014-11-12 | 4 | PRIMARY DOCUMENT | View Document |
2014-11-07 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 28, 2014 | View Document |
2014-11-03 | 8-K | CURRENT REPORT | View Document |
2014-10-27 | 8-K | CURRENT REPORT | View Document |
2014-08-14 | 4 | PRIMARY DOCUMENT | View Document |
2014-08-08 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED JUNE 29, 2014 | View Document |
2014-07-28 | 8-K | CURRENT REPORT | View Document |
2014-06-02 | SD | FORM SD | View Document |
2014-05-22 | 8-K | CURRENT REPORT | View Document |
2014-05-14 | 10-Q/A | AMENDMENT NO. 1 TO FORM 10Q FOR THE QUARTER ENDED MARCH 30, 2014 | View Document |
2014-05-13 | 4 | PRIMARY DOCUMENT | View Document |
2014-05-09 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED MARCH 30, 2014 | View Document |
2014-04-28 | 8-K | CURRENT REPORT | View Document |
2014-04-15 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
2014-04-09 | ARS | AUTO-GENERATED PAPER DOCUMENT | View Document |
2014-03-19 | 4 | PRIMARY DOCUMENT | View Document |
2014-03-19 | 4 | PRIMARY DOCUMENT | View Document |
2014-03-19 | 4 | PRIMARY DOCUMENT | View Document |
2014-03-17 | 10-K | FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2013 | View Document |
2014-02-27 | 4/A | PRIMARY DOCUMENT | View Document |
2014-02-27 | 4 | PRIMARY DOCUMENT | View Document |
2014-02-27 | 4 | PRIMARY DOCUMENT | View Document |
2014-02-18 | 8-K | CURRENT REPORT | View Document |
2014-02-14 | 4 | PRIMARY DOCUMENT | View Document |
2014-02-13 | 4 | PRIMARY DOCUMENT | View Document |
2014-02-13 | 4 | PRIMARY DOCUMENT | View Document |
2014-02-13 | 4/A | PRIMARY DOCUMENT | View Document |
2014-02-13 | 4 | PRIMARY DOCUMENT | View Document |
2014-02-13 | 4 | PRIMARY DOCUMENT | View Document |
2014-01-30 | 8-K | CURRENT REPORT | View Document |
2014-01-30 | SC 13G/A | View Document | |
2014-01-13 | SC 13G/A | View Document | |
2013-12-24 | 8-K | CURRENT REPORT | View Document |
2013-11-19 | 4 | PRIMARY DOCUMENT | View Document |
2013-11-12 | 4 | PRIMARY DOCUMENT | View Document |
2013-11-12 | 8-K | FORM 8-K | View Document |
2013-11-08 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 29, 2013 | View Document |
2013-10-28 | 8-K | CURRENT REPORT | View Document |
2013-08-13 | 4 | PRIMARY DOCUMENT | View Document |
2013-08-09 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2013 | View Document |
2013-07-29 | 8-K | CURRENT REPORT | View Document |
2013-07-03 | 8-K | CURRENT REPORT | View Document |
2013-05-31 | 3 | PRIMARY DOCUMENT | View Document |
2013-05-24 | 8-K | CURRENT REPORT | View Document |
2013-05-14 | 4 | PRIMARY DOCUMENT | View Document |
2013-05-14 | 4 | PRIMARY DOCUMENT | View Document |
2013-05-10 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2013 | View Document |
2013-04-29 | 8-K | CURRENT REPORT | View Document |
2013-04-19 | ARS | AUTO-GENERATED PAPER DOCUMENT | View Document |
2013-04-16 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
2013-03-26 | 8-K | CURRENT REPORT | View Document |
2013-03-20 | 4 | PRIMARY DOCUMENT | View Document |
2013-03-18 | 10-K | FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2012 | View Document |
2013-02-19 | 8-K | CURRENT REPORT | View Document |
2013-02-11 | SC 13G/A | View Document | |
2013-01-17 | SC 13G/A | View Document | |
2012-12-11 | 8-K | CURRENT REPORT | View Document |
2012-12-05 | 4 | PRIMARY DOCUMENT | View Document |
2012-12-05 | 4 | PRIMARY DOCUMENT | View Document |
2012-12-05 | 4 | PRIMARY DOCUMENT | View Document |
2012-12-05 | 4 | PRIMARY DOCUMENT | View Document |
2012-11-13 | 4 | PRIMARY DOCUMENT | View Document |
2012-11-09 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2012 | View Document |
2012-10-29 | 8-K | CURRENT REPORT | View Document |
2012-08-14 | 4 | PRIMARY DOCUMENT | View Document |
2012-08-10 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED JULY 1, 2012 | View Document |
2012-08-01 | 8-K | CURRENT REPORT | View Document |
2012-05-18 | 8-K | CURRENT REPORT | View Document |
2012-05-16 | 4/A | PRIMARY DOCUMENT | View Document |
2012-05-16 | 4 | PRIMARY DOCUMENT | View Document |
2012-05-16 | 4 | PRIMARY DOCUMENT | View Document |
2012-05-11 | 10-Q | FORM 10-Q FOR THE QUARTER ENDED APRIL 1, 2012 | View Document |
2012-05-01 | 8-K | CURRENT REPORT | View Document |
2012-04-09 | ARS | AUTO-GENERATED PAPER DOCUMENT | View Document |
2012-04-04 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
2012-04-02 | 8-K | CURRENT REPORT | View Document |
2012-03-20 | 4 | PRIMARY DOCUMENT | View Document |
2012-03-15 | 10-K | FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2011 | View Document |
2012-02-21 | 8-K | CURRENT REPORT | View Document |
2012-02-13 | SC 13G/A | View Document | |
2012-02-09 | 4 | PRIMARY DOCUMENT | View Document |
2012-02-09 | 4 | PRIMARY DOCUMENT | View Document |
2012-02-09 | 4 | PRIMARY DOCUMENT | View Document |
2012-02-09 | 4 | PRIMARY DOCUMENT | View Document |
2012-02-09 | 4 | PRIMARY DOCUMENT | View Document |
2012-01-19 | SC 13G/A | View Document | |
2011-11-15 | 4 | PRIMARY DOCUMENT | View Document |
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