Warren Matthew James — Chief Accounting Officer
Insider trading activity for Warren Matthew James sourced from SEC EDGAR Form 4 filings.
Overview
- Title: Chief Accounting Officer
- Company: NPK International Inc.
- Total insider trades: 1
- Total buy volume: $0
- Total sell volume: $40K
- Last trade: Sep 10, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 9, 2026 | Warren Matthew James | NPKI NPK International Inc. | SELL | 2,991 | $40K |