Michael A.  Lewis net worth and biography

Michael Lewis Biography and Net Worth

Director of NPK International

Mr. Lewis joined our Board of Directors in January 2021. Mr. Lewis has served as Chair of the ESG Committee since April 2022 and currently serves as a member of our Audit and Compensation Committees. Mr. Lewis has over 34 years of electric operations experience, having served as both Interim President as well as Senior Vice President, Electric Operations of Pacific Gas & Electric Corporation (“PG&E”), which filed for bankruptcy protection in 2019 and successfully emerged from bankruptcy in 2020. In these roles, Mr. Lewis oversaw all aspects of PG&E’s Electric Operations, including the company’s wildfire prevention and response efforts, longer-term grid resiliency initiatives, system-wide vegetation management work and emergency preparedness and response efforts. Mr. Lewis joined PG&E in 2018 and retired from PG&E in December 2020. Prior to joining PG&E, from 2016 to July 2018, Mr. Lewis served as Duke Energy’s Senior Vice President and Chief Distribution Officer, responsible for distribution operations across six states. Mr. Lewis previously served in increasingly more senior roles in electric transmission and distribution, including as Chief Transmission Officer at Duke Energy. He holds a bachelor’s degree in electrical engineering from the University of Florida and an MBA from Nova Southeastern University. He attended both the Advanced Management Program at Duke University and the Finance and Accounting for Non-Financial Management Program at the University of Pennsylvania Wharton School. In January 2021, Mr. Lewis was appointed and currently serves on the Board of Directors of Portland General Electric Company (NYSE: POR) as an independent director, as well as a member of the Board’s Compensation and Finance Committees. In October 2021, Mr. Lewis was appointed and currently serves on the Board of Directors of Osmose Utilities Services, Inc., as well a member of its Audit Committee. Additionally, in May 2023, Mr. Lewis was appointed and currently serves on the Board of Directors of Kinross Gold Corporation (NYSE:KGC), as well as a member of its Corporate Governance and Nominating Committee Corporate Responsibility and Technical Committee.

What is Michael A. Lewis' net worth?

The estimated net worth of Michael A. Lewis is at least $1.73 million as of November 24th, 2025. Mr. Lewis owns 133,346 shares of NPK International stock worth more than $1,726,164 as of December 5th. This net worth evaluation does not reflect any other assets that Mr. Lewis may own. Learn More about Michael A. Lewis' net worth.

How do I contact Michael A. Lewis?

The corporate mailing address for Mr. Lewis and other NPK International executives is 9320 LAKESIDE BOULEVARD, SUITE 100, THE WOODLANDS, TX, 77381. NPK International can also be reached via phone at (281) 362-6800 and via email at [email protected]. Learn More on Michael A. Lewis' contact information.

Has Michael A. Lewis been buying or selling shares of NPK International?

During the last ninety days, Michael A. Lewis has sold $24,156.00 in NPK International stock. Most recently, Michael A. Lewis sold 2,013 shares of the business's stock in a transaction on Monday, November 24th. The shares were sold at an average price of $12.00, for a transaction totalling $24,156.00. Following the completion of the sale, the director now directly owns 133,346 shares of the company's stock, valued at $1,600,152. Learn More on Michael A. Lewis' trading history.

Who are NPK International's active insiders?

NPK International's insider roster includes Lori Briggs (Executive Vice President Business Operations), Matthew Lanigan (President and Chief Executive Officer), Matthew Lanigan (President and Chief Executive Officer), and Michael Lewis (Director). Learn More on NPK International's active insiders.

Are insiders buying or selling shares of NPK International?

During the last year, NPK International insiders bought shares 2 times. They purchased a total of 22,500 shares worth more than $153,800.00. During the last year, insiders at the sold shares 8 times. They sold a total of 101,649 shares worth more than $1,011,076.65. The most recent insider tranaction occured on November, 24th when Director Michael A Lewis sold 2,013 shares worth more than $24,156.00. Insiders at NPK International own 4.9% of the company. Learn More about insider trades at NPK International.

Information on this page was last updated on 11/24/2025.

Michael A. Lewis Insider Trading History at NPK International

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/24/2025Sell2,013$12.00$24,156.00133,346View SEC Filing Icon  
8/25/2025Sell2,013$10.33$20,794.29135,359View SEC Filing Icon  
6/16/2025Sell2,013$8.60$17,311.80137,372View SEC Filing Icon  
See Full Table

Michael A. Lewis Buying and Selling Activity at NPK International

This chart shows Michael A Lewis's buying and selling at NPK International by year and by quarter.

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NPK International Company Overview

NPK International logo
NPK International Inc. provides products, rentals, and services primarily to the oil and natural gas exploration and production (E&P) industry. It operates through two segments, Fluids Systems and Industrial Solutions. The Fluids Systems segment provides drilling, completion, and stimulation fluids products and related technical services to customers primarily in the North America, Europe, the Middle East, and Africa, as well as other countries in the Asia Pacific and Latin America. The Industrial Solutions segment offers composite matting system rentals utilized for temporary worksite access; related site construction and services to customers in various markets, including power transmission, E&P, pipeline, renewable energy, petrochemical, construction, and other industries primarily in the United States and Europe; recyclable composite mats to customers worldwide; and access road construction, site planning and preparation, environmental protection, erosion control, and site restoration services. The company was formerly known as Newpark Resources, Inc. and changed its name to NPK International Inc. in December 2024. The company was incorporated in 1932 and is headquartered in The Woodlands, Texas.
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Today's Range

Now: $12.95
Low: $12.48
High: $12.95

50 Day Range

MA: $12.04
Low: $10.75
High: $13.64

2 Week Range

Now: $12.95
Low: $4.76
High: $14.00

Volume

822,029 shs

Average Volume

756,661 shs

Market Capitalization

$1.09 billion

P/E Ratio

34.07

Dividend Yield

N/A

Beta

1.28