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Who’s trading NPKI?

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NPK International Inc.

Every disclosed Congress and corporate-insider transaction in NPKI (NPK International Inc.) 14 trades from 7 politicians and executives, each AI-scored. Updated as new filings land.

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FilerActionAmountFiledScore
Briggs LoriSEC Form 4Sell2026-06-093
NPK International Inc. (NPKI) (CIK 0000071829)SEC Form 144Buy2026-06-083
LANIGAN MATTHEWSEC Form 4Sell2026-06-053
LANIGAN MATTHEWSEC Form 42026-06-035
Briggs LoriSEC Form 42026-06-033
Piontek GreggSEC Form 42026-06-035
Fruge Mary CelesteSEC Form 42026-06-033
NPK International Inc. (NPKI) (CIK 0000071829)SEC Form 144Buy2026-06-024
LANIGAN MATTHEWSEC Form 42026-05-214
CUTILLO JOSEPH ASEC Form 42026-05-214
Piontek GreggSEC Form 42026-05-215
Fruge Mary CelesteSEC Form 42026-05-214
Briggs LoriSEC Form 42026-05-214
Lewis Michael ASEC Form 4Sell2026-05-193

Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool — not investment advice.

Who's trading NPKI (NPK International Inc.)? Congress & insider transactions · Trace and Trade