NPK International director Michael Lewis sells $28,705 in shares

NPK International's director Michael A. Lewis sold 2,013 shares of the company's common stock on August 17, 2026, totaling around $28,705. The shares were sold at prices between $14.15 and $14.40 per share, with a weighted average sale price of $14.2599. The sale was executed automatically through a pre-established Rule 10b5-1 trading plan Lewis put in place on March 7, 2025.

Post-sale, Lewis still holds 135,865 shares in the company. Since the sale, the stock price has fallen to $13.16, down from the sale price of approximately $14.26. According to InvestingPro, NPK International seems overvalued at present, showing up on their Most Overvalued stocks list. The company trades at a P/E ratio of 28.5, although its PEG ratio of 0.22 indicates promising growth potential.

Further insights into NPK International can be found in seven additional InvestingPro Tips. Notably, in its latest earnings report for Q2 2026, NPK International surpassed expectations. The company reported adjusted earnings of $0.15 per share, beating the Wall Street estimate of $0.13. Revenue for the quarter was $82 million, exceeding the predicted $79.65 million.

This strong performance stemmed from robust demand in utility and critical infrastructure markets. Moreover, NPK International's adjusted EBITDA saw a 37% year-over-year increase. These results highlight the company's strategic emphasis on lucrative market segments. The company's recent financial achievements have likely contributed to increased investor interest, driven by positive earnings surprises.