William Thorndike, Jr. Biography and Net Worth

Director of CNX Resources

William N. Thorndike, Jr. joined the CNX Board in October 2014. Mr. Thorndike served as our Chairman from May 2016 through February 2025. He currently serves as a member of the Audit Committee, Compensation Committee and ESCR Committee. Mr. Thorndike is currently the Managing Partner of The Cromwell Harbor Partnership, a private investment company. Before Cromwell, he founded Housatonic Partners, a leading private equity firm, with offices in Boston and San Francisco, in 1994. At Housatonic, Mr. Thorndike was the pioneering institutional investor in the search fund asset class and played a central role in refining its acquisition criteria. Mr. Thorndike is currently a Co-Chairman of Perimeter Solutions (NYSE: PRM) and a director of several private companies, including Carillon Assisted Living, LLC; Banyan Software; and QMC International, LLC. He is a Founding Principal at TTCER, a private investment partnership, and a Co-Founder at Compounding Labs, an investment collaboration focused on long-term consolidations. Mr. Thorndike is the author of “The Outsiders: Eight Unconventional CEOs and Their Radically Rational Blueprint for Success,” which was named one of the top 25 business books ever published by Business Insider and has been translated into 15 languages. He is also the host of 50X podcast. Mr. Thorndike brings nearly 30 years of investment and board experience to the CNX Board. He has extensive leadership experience in evaluating strategic alternatives and helping to build value for shareholders across a variety of industries. He has a breadth of financial, strategic and human resource knowledge with specific expertise in the areas of capital allocation and compensation.

What is William N. Thorndike, Jr.'s net worth?: The estimated net worth of William N. Thorndike, Jr. is at least $15.32 million as of May 4th, 2026. Mr. Thorndike, Jr. owns 426,585 shares of CNX Resources stock worth more than $15,320,374 as of May 11th. This net worth estimate does not reflect any other investments that Mr. Thorndike, Jr. may own. Learn More about William N. Thorndike, Jr.'s net worth.
How do I contact William N. Thorndike, Jr.?: The corporate mailing address for Mr. Thorndike, Jr. and other CNX Resources executives is CNX CENTER 1000 CONSOL ENERGY DRIVE SUITE 400, CANONSBURG PA, 15317. CNX Resources can also be reached via phone at (724) 485-4000. Learn More on William N. Thorndike, Jr.'s contact information.
Has William N. Thorndike, Jr. been buying or selling shares of CNX Resources?: During the past quarter, William N. Thorndike, Jr. has sold $1,101,600.00 in CNX Resources stock. Most recently, William N. Thorndike, Jr. sold 28,800 shares of the business's stock in a transaction on Monday, May 4th. The shares were sold at an average price of $38.25, for a transaction totalling $1,101,600.00. Following the completion of the sale, the director now directly owns 426,585 shares of the company's stock, valued at $16,316,876.25. Learn More on William N. Thorndike, Jr.'s trading history.
Who are CNX Resources' active insiders?: CNX Resources' insider roster includes Timothy Bedard (EVP, General Counsel and Corporate Secretary), J. Clarkson (Director), Nicholas Deiuliis (President, CEO & Director), Maureen Lally-Green (Director), Bernard Lanigan, Jr. (Director), Donald Rush (CFO), Alan Shepard (CAO), and William Thorndike, Jr. (Director). Learn More on CNX Resources' active insiders.
Are insiders buying or selling shares of CNX Resources?: During the last twelve months, CNX Resources insiders bought shares 1 times. They purchased a total of 10,000 shares worth more than $312,000.00. During the last twelve months, insiders at the oil and gas producer sold shares 3 times. They sold a total of 98,550 shares worth more than $3,907,928.52. The most recent insider tranaction occured on May, 4th when Director William N Thorndike Jr sold 28,800 shares worth more than $1,101,600.00. Insiders at CNX Resources own 5.0% of the company. Learn More about insider trades at CNX Resources.
Information on this page was last updated on 5/4/2026.

William N. Thorndike, Jr. Insider Trading History at CNX Resources

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
5/4/2026	Sell	28,800	$38.25	$1,101,600.00	426,585
11/17/2015	Buy	30,000	$7.78	$233,400.00	92,397

William N. Thorndike, Jr. Buying and Selling Activity at CNX Resources

CNX Resources Company Overview

CNX Resources Corporation, an independent natural gas and midstream company, engages in the acquisition, exploration, development, and production of natural gas properties in the Appalachian Basin. The company operates in two segments, Shale and Coalbed Methane (CBM). It produces and sells pipeline quality natural gas primarily for gas wholesalers. The company owns rights to extract natural gas from shale properties in Pennsylvania, West Virginia, and Ohio, as well as rights to extract natural gas from other shale and shallow oil and gas formations in Illinois, Indiana, New York, and Virginia. It also owns rights to extract CBM in Virginia, West Virginia, Pennsylvania, Ohio, Illinois, Indiana, and New Mexico. In addition, the company designs, builds, and operates natural gas gathering systems to move gas from the wellhead to interstate pipelines or other local sales points; owns and operates approximately 2,600 miles of natural gas gathering pipelines, as well as various natural gas processing facilities. It also offers turn-key solutions for water sourcing, delivery, and disposal for its natural gas operations and for third parties. The company was formerly known as CONSOL Energy Inc. and changed its name to CNX Resources Corporation in November 2017. CNX Resources Corporation was founded in 1860 and is headquartered in Canonsburg, Pennsylvania.

Today's Range

Now: $36.01

$35.71

$36.27

50 Day Range

MA: $39.73

$35.83

$42.61

2 Week Range

Now: $36.01

$27.72

$43.62

Volume

686,080 shs

Average Volume

2,226,565 shs

Market Capitalization

$5.09 billion

P/E Ratio

5.00

Dividend Yield

N/A

Beta

0.64