William Leimkuhler Biography and Net Worth

Chairman of Argan

Mr. Leimkuhler has been a member of our board of directors since June 2007 and Chairman as of August 2022. Currently, Mr. Leimkuhler serves as a Senior Vice President of Mutualink, Inc., a privately owned provider of communications interoperability solutions for public safety and critical infrastructure. From November 2017 to January 31, 2021, Mr. Leimkuhler served as the Chief Financial Officer of Mutualink. Since 1999, he has also been General Counsel and Director of Business Development of Paice Corporation, a privately held developer of hybrid electric powertrains. Mr. Leimkuhler also advises a number of technology-based companies on business, financial and legal matters. From 1994 through 1999, he held various positions with Allen & Company, a New York investment banking firm, initially serving as the firm’s General Counsel.

Mr. Leimkuhler is also the lead director of U.S. Neurosurgical, Inc. (OTCBB: USNU). From 2013 to 2017, he served as a director of Northern Power Systems Corp. (TSX: NPS).”

What is William F. Leimkuhler's net worth?: The estimated net worth of William F. Leimkuhler is at least $13.83 million as of October 1st, 2025. Mr. Leimkuhler owns 38,834 shares of Argan stock worth more than $13,834,418 as of December 4th. This net worth approximation does not reflect any other investments that Mr. Leimkuhler may own. Learn More about William F. Leimkuhler's net worth.
How do I contact William F. Leimkuhler?: The corporate mailing address for Mr. Leimkuhler and other Argan executives is ONE CHURCH STREET SUITE 201, ROCKVILLE MD, 20850. Argan can also be reached via phone at (301) 315-0027 and via email at [email protected]. Learn More on William F. Leimkuhler's contact information.
Has William F. Leimkuhler been buying or selling shares of Argan?: During the last quarter, William F. Leimkuhler has sold $3,242,363.46 of Argan stock. Most recently, William F. Leimkuhler sold 11,802 shares of the business's stock in a transaction on Wednesday, October 1st. The shares were sold at an average price of $274.73, for a transaction totalling $3,242,363.46. Following the completion of the sale, the director now directly owns 38,834 shares of the company's stock, valued at $10,668,864.82. Learn More on William F. Leimkuhler's trading history.
Who are Argan's active insiders?: Argan's insider roster includes Rainer Bosselmann (Founder, Director and Chairman Emeritus), Cynthia Flanders (Director), Peter Getsinger (Director), William Griffin, Jr. (Chairman), John Jeffrey, Jr. (Director), William Leimkuhler (Chairman), James Quinn (Director), Karen Sweeney (Director), and David Watson (CFO). Learn More on Argan's active insiders.
Are insiders buying or selling shares of Argan?: In the last year, insiders at the construction company sold shares 35 times. They sold a total of 232,901 shares worth more than $54,930,913.41. The most recent insider tranaction occured on October, 20th when Director Peter W Getsinger sold 6,493 shares worth more than $1,911,474.27. Insiders at Argan own 6.7% of the company. Learn More about insider trades at Argan.
Information on this page was last updated on 10/20/2025.

William F. Leimkuhler Insider Trading History at Argan

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
10/1/2025	Sell	11,802	$274.73	$3,242,363.46	38,834
6/30/2025	Sell	7,604	$222.03	$1,688,316.12	50,636
6/27/2025	Sell	4,051	$221.25	$896,283.75	58,240
9/23/2024	Sell	10,000	$96.20	$962,000.00	35,852
1/30/2017	Sell	2,000	$73.23	$146,460.00	15,000
10/31/2016	Sell	5,000	$56.53	$282,650.00	15,000
10/27/2016	Sell	5,000	$55.46	$277,300.00	24,377
9/30/2016	Sell	5,000	$59.12	$295,600.00	25,000
10/8/2013	Buy	4,000	$21.23	$84,920.00

William F. Leimkuhler Buying and Selling Activity at Argan

Argan Company Overview

Argan, Inc., through its subsidiaries, provides engineering, procurement, construction, commissioning, maintenance, project development, and technical consulting services to the power generation market. The company operates through Power Services, Industrial Services, and Telecom Services segments. The Power Services segment offers engineering, procurement, and construction, as well as designing, building, and commissioning of large-scale energy projects to the owners of alternative energy facilities, such as biomass plants, wind farms, and solar fields; and design, construction, project management, start-up, and operation services for projects with approximately 18 gigawatts of power-generating capacity. This segment serves independent power project owners, public utilities, power plant equipment suppliers, and other commercial firms. The Industrial Services segment provides industrial construction and field services and vessel fabrication services for fertilizer, engineering and construction, forest products, and various other industrial companies in southeast region of the United States. The Telecom Services segment offers trenchless directional boring and excavation for underground communication and power networks, as well as aerial cabling services; and installs buried cable, high and low voltage electric lines, and private area outdoor lighting systems. It also provides structured cabling, terminations, and connectivity that offers the physical transport for high-speed data, voice, video, and security networks. This segment serves electricity cooperative, state and local government agencies, counties and municipalities, and technology-oriented government contracting firms, as well as federal government facilities in the mid-Atlantic region of the United States. Argan, Inc. was incorporated in 1961 and is headquartered in Rockville, Maryland.

Today's Range

Now: $356.25

$347.67

$368.21

50 Day Range

MA: $314.31

$256.28

$395.75

2 Week Range

Now: $356.25

$101.02

$399.30

Volume

618,337 shs

Average Volume

345,822 shs

Market Capitalization

$4.92 billion

P/E Ratio

42.82

Dividend Yield

0.57%

Beta

0.6