Michael A Lewis has sold stock and made no open-market buys since Feb 2026

Michael A. Lewis, age 63, is an independent director of NPK International Inc. (NPKI), serving on the Board since January 2021. He chairs the Environmental, Social and Governance (ESG) Committee and is a member of the Audit and Compensation Committees, bringing expertise in electric utility operations, safety, crisis management, and ESG matters.(

Lewis previously served as Interim President and Senior Vice President of Electric Operations at Pacific Gas & Electric (PG&E) from 2018 to 2020, overseeing wildfire prevention, grid resiliency, and emergency preparedness, and as Senior Vice President & Chief Distribution Officer at Duke Energy from 2016 to 2018, leading operations across six states.( He holds a B.S. in Electrical Engineering from the University of Florida, an MBA from Nova Southeastern University, and executive education from Duke University and Wharton.( Currently, he also serves as an independent director at Portland General Electric (POR) since January 2021 and Kinross Gold Corporation (KGC) since May 2023.( In 2025, Lewis sold shares of NPKI, including 2,013 shares on June 16 at $8.6 per share.(

Written by Perplexity from public sources.