Minge John C

Minge John C is listed in filings as Director at NPK International Inc.. This profile follows SEC Form 4 activity through May 21, 2026, including purchase activity. Recent filings connect the profile to NPK International Inc. (NPKI). The current snapshot covers public activity from Mar 6, 2025 to May 21, 2026. Reported amounts are shown as $53.8K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.