Warren Matthew James
SEC CIK 2152870 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| NPKI | NPK International Inc. | CAO | 51.4K | — | $40.1K | 1 | 2026-09-09 | 2026-09-09 |
Most active insiders at NPKI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Piontek Gregg | SVP, CFO | — | $2.49M |
| 2 | LANIGAN MATTHEW | Pres, CEO, Dir | — | $2.42M |
| 3 | Briggs Lori | VP, Pres, Ind. Solutions | — | $391.4K |
| 4 | Fruge Mary Celeste | VP, GC | — | $162.9K |
| 5 | ROBESON ROSE M | Dir | — | $134.9K |
| 6 | Lewis Michael A | Dir | — | $112.5K |
| 7 | Warren Matthew James | CAO | — | $40.1K |
| 8 | Barton III Alvin James | EVP Commercial Growth, Ops | — | — |
| 9 | Pederson Kristen J. | Dir | — | — |
| 10 | Meer Claudia Michel | Dir | — | — |
Transactions 1
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-10 18:22 | 2026-09-09 | NPKI | NPK International Inc. | Warren Matthew James | CAO | S - Sale | $13.41 | -2,991 | 51.4K | -5% | -$40.1K |
Purchase Sale Sale after option exercise All abbreviations