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NPKI filings

Corporate insider profile

Michael A Lewis Filing Activity

Latest reported as Corporate insider of NPK International Inc. (NPKI).

Purchase filings
0
Reported companies
2
Net open-market value
-$139,170.21
Latest transaction
Aug 17, 2026

Affiliated corporations

Reported company relationships

NPKILatest reported

NPK International Inc.

Corporate insider

PORPrior filing

PORTLAND GENERAL ELECTRIC CO /OR/

Director

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
DateCompanyRoleTypeSharesPriceTotal value
Aug 17, 2026NPK International Inc. (NPKI)Corporate insiderSale2,013$14.26$28,705
Jul 27, 2026PORTLAND GENERAL ELECTRIC CO /OR/ (POR)DirectorSale1,537$51.83$79,663
May 15, 2026NPK International Inc. (NPKI)Corporate insiderSale2,013$15.30$30,802