{"filing":{"accession_number":"0000071829-26-000036","cik":"0000071829","ticker":"NPKI","company_name":"NPK International Inc.","form":"8-K","filing_date":"2026-07-28","report_date":"2026-07-28","primary_document":"nr-20260728.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/71829/000007182926000036/nr-20260728.htm"},"events":[{"id":21133,"run_id":19050,"accession_number":"0000071829-26-000036","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"The filing discloses the appointment of Ms. Kristen J. Pederson as a new director to NPK International's Board, effective July 28, 2026, with concurrent appointment to the Audit, Compensation, and Nominating and Corporate Governance Committees. The principal disclosed action is a person taking a role (director and committee member), making this an exec_appointment. The disclosure includes her extensive background in corporate governance, board experience, and compensation details (pro-rated cash and equity retainers), which are material to investors assessing board composition and governance strength.","company_name":"NPK International Inc.","ticker":"NPKI","filing_date":"2026-07-28","form":"8-K","submitted_at":null,"items":[{"id":20692,"accession_number":"0000071829-26-000036","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Ms. Kristen J. Pederson as a new director to NPK International's Board, effective July 28, 2026, with concurrent appointment to the Audit, Compensation, and Nominating and Corporate Governance Committees. The principal disclosed action is a person taking a role (director and committee member), making this an exec_appointment. The disclosure includes her extensive background in corporate governance, board experience, and compensation details (pro-rated cash and equity retainers), which are material to investors assessing board composition and governance strength.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-28T20:26:42.234599+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":20692,"accession_number":"0000071829-26-000036","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Ms. Kristen J. Pederson as a new director to NPK International's Board, effective July 28, 2026, with concurrent appointment to the Audit, Compensation, and Nominating and Corporate Governance Committees. The principal disclosed action is a person taking a role (director and committee member), making this an exec_appointment. The disclosure includes her extensive background in corporate governance, board experience, and compensation details (pro-rated cash and equity retainers), which are material to investors assessing board composition and governance strength.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-28T20:26:42.234599+00:00","company_name":"NPK International Inc.","ticker":"NPKI","filing_date":"2026-07-28"}]}