John C Minge insider trades
Open-market stock purchases and sales by John C Minge, Director at NPK International Inc, from SEC Form 4 filings since May 17, 2018.
Track record: 83% of 6 scored buys are up 5% or more since purchase, averaging +88%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| May 20, 2026 | NPKI NPK International Inc | Bought (not open market) | — |