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Filing metadata

Accession number: 0000071829-17-000056
Form type: Form 4
Filer: NPK International Inc.
CIK: CIK 71829
Filed: May 23, 2017
Reporting period: May 19, 2017
Description: Insider transaction

Documents

0000071829-17-000056-index.htm

Complete submission

0000071829-17-000056.txt

directory listing

Filed by

NPK International Inc.