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Filing metadata

Accession number: 0000071829-21-000089
Form type: Form 4
Filer: NPK International Inc.
CIK: CIK 71829
Filed: Jun 03, 2021
Reporting period: Jun 01, 2021
Description: Insider transaction

Documents

0000071829-21-000089-index.htm

Complete submission

0000071829-21-000089.txt

directory listing

Filed by

NPK International Inc.