NPK International Inc. — SC 13G/A Filings
120 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by NPK International Inc. (NPKI), sorted by most recent first. Each row links to the full filing on EdgarLookup. NPK International Inc. has filed 120 SC 13G/A documents with the SEC since 2010. To view all SEC filings by NPK International Inc., see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
144
25-NSE
3
3/A
4
4/A
424B2
424B3
424B4
424B5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
AW
CERT
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NT 10-Q
POS AM
PRE 14A
PRER14A
S-3
S-3/A
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | FORM 13G HOLDINGS REPORT | 0001172661-06-000048 | Feb 8, 2006 | — |
| SC 13G/A | SCHEDULE 13G/A | 0000950172-05-000476 | Feb 14, 2005 | — |
| SC 13G/A | NEWPARK | 0000355414-05-000110 | Feb 11, 2005 | — |
| SC 13G/A | NEWPARK RESOURCES, INC. | 0000891804-05-000481 | Feb 11, 2005 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001193125-04-031228 | Feb 27, 2004 | — |
| SC 13G/A | AMENDMENT # 3 TO SCHEDULE 13-G/A | 0001193125-04-021483 | Feb 12, 2004 | — |
| SC 13G/A | SC 13G/A | 0000765924-03-000026 | Mar 17, 2003 | — |
| SC 13G/A | SC 13G - AMENDMENT NO. 2 | 0000950172-03-000424 | Feb 13, 2003 | — |
| SC 13G/A | NEWPARK RESOURCES, INC. | 0000950135-03-000607 | Feb 4, 2003 | — |
| SC 13G/A | SC 13G - AMENDMENT NO. 1 | 0000950172-02-000279 | Feb 14, 2002 | — |
| SC 13G/A | AMENDMENT #1 | 0001021408-02-002043 | Feb 13, 2002 | — |
| SC 13G/A | NEWPARK RESOURCES, INC., AMENDMENT NO. 2 | 0000950128-02-000078 | Jan 23, 2002 | — |
| SC 13G/A | NEWPARK RESOURCES, INC., AMENDMENT NO. 1 | 0000950128-01-000062 | Jan 18, 2001 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000810717-00-000084 | Mar 30, 2000 | — |
| SC 13G/A | — | 0001014909-98-000084 | Mar 6, 1998 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000943152-98-000175 | Feb 18, 1998 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000943152-98-000093 | Feb 12, 1998 | — |
| SC 13G/A | — | 0001014909-98-000045 | Feb 12, 1998 | — |
| SC 13G/A | 5% MONTHLY HOLDINGS REPORT | 0000766524-95-000177 | Apr 7, 1995 | — |
| SC 13G/A | — | 0000734259-95-000009 | Feb 17, 1995 | — |