SEC Form 3 · accession 0002155766-26-000004
NPK International Inc. · NPKI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
III Alvin James Barton
Officer — EVP Commercial Growth & Ops.
Period of report
Sep 22, 2026
Accepted (ET)
Sep 24, 2026 · 4:09 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000071829
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
No Table II lines on this filing.