05:31 PM EDT, 08/26/2025 (MT Newswires) -- Matthew Lanigan, Director, President & CEO, on August 22, 2025, sold 68,896 shares in Npk International ( NPKI ) for $712,536. Following the Form 4 filing with the SEC, Lanigan has control over a total of 1,095,913 common shares of the company, with 1,095,913 shares held directly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/71829/000007182925000126/xslF345X05/edgardoc.xml