Disclosure profile
Who’s trading NPKI?
Open NPKI on RobinhoodNPK 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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Briggs LoriSEC Form 4Sell—2026-06-093
NPK International Inc. (NPKI) (CIK 0000071829)SEC Form 144Buy—2026-06-083
LANIGAN MATTHEWSEC Form 4Sell—2026-06-053
LANIGAN MATTHEWSEC Form 4——2026-06-035
Briggs LoriSEC Form 4——2026-06-033
Piontek GreggSEC Form 4——2026-06-035
Fruge Mary CelesteSEC Form 4——2026-06-033
NPK International Inc. (NPKI) (CIK 0000071829)SEC Form 144Buy—2026-06-024
LANIGAN MATTHEWSEC Form 4——2026-05-214
CUTILLO JOSEPH ASEC Form 4——2026-05-214
Piontek GreggSEC Form 4——2026-05-215
Fruge Mary CelesteSEC Form 4——2026-05-214
Briggs LoriSEC Form 4——2026-05-214
Lewis Michael ASEC Form 4Sell—2026-05-193
Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool — not investment advice.