Matthew Warren
Chief Accounting Officer
NPK International Inc. (NPKI)Personal wealth note: Equibles reports source-backed professional activity and disclosed compensation; it does not estimate personal net worth.
About Matthew Warren
Matthew Warren is recorded as Chief Accounting Officer at NPK International Inc. (NPKI). NPK International Inc. reported in an 8-K filed September 2, 2026 that Matthew Warren was appointed Chief Accounting Officer, effective August 31, 2026.
“the Board appointed Matthew Warren as the Company’s Chief Accounting Officer ("CAO") effective as of August 31, 2026.”
Summary generated from SEC filings and earnings-call records held by Equibles.
Affiliation history
Recorded current and former roles; source labels appear when available.
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Current
2026-08-31–present
Company network
Recorded roles and call appearances connecting this person to public companies.
Leadership on record at NPK International Inc.
Other people whose current roles at this company are on record from its filings.
- Matthew Lanigan CEO, COO, Board Member
- Matthew S. Lanigan CEO, COO, Board Member
- Gregg Piontek CFO
- Gregg S. Piontek CFO, Chief Accounting Officer
- Celeste Frugé General Counsel
- Anthony J. Best Board Member
- Claudia M. Meer Board Member
- Claudia Meer Board Member
- Donald "Donnie" Young Board Member
- Donald W. Young Board Member
Recent activity
Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.