Matthew James Warren insider trades
Open-market stock purchases and sales by Matthew James Warren, Chief Accounting Officer at NPK International Inc, from SEC Form 4 filings since Sep 9, 2026.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Sep 9, 2026 | NPKI NPK International Inc | Sold | $40.1K |
Companies traded
- NPKI NPK International Inc: 1 sale, last Sep 9, 2026
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