NPKI ▼ -0.5% - NPK International Inc. $NPKI - NPK Announces Chief Financial Officer Retirement, Initiates Finance Leadership Succession Plan NPK International announced the retirement of its Chief Financial Officer and has begun a succession planning process to fill the role. The stock declined 0.5% on the news, a modest reaction that suggests investors are viewing the leadership transition as a manageable change rather than a material threat to operations. 02-SEP-2026 04:19 PM ET