Thomas Sinnickson Gayner net worth and biography

Thomas Gayner Biography and Net Worth

Director of Graham
Thomas S. Gayner serves as Co-Chief Executive Officer, Director of the Company. He was President and Chief Investment Officer from May 2010-December 2015; Director, Cable One, Inc., Colfax Corporation, Davis Series Mutual Funds and Graham Holdings Company. Mr. Gayner also serves on the board of the non-profit entity the Community Foundation of Richmond, and he is a member of the Investment Advisory Committee of the Virginia Retirement System. Prior to joining the Company in 1990, Mr. Gayner was a certified public accountant at PricewaterhouseCoopers LLP and a Vice President of Davenport & Company of Virginia. Mr. Gayner brings executive management experience, in-depth knowledge of the Company and insight into the Company’s strategic investment opportunities to the Board and its deliberations.

What is Thomas Sinnickson Gayner's net worth?

The estimated net worth of Thomas Sinnickson Gayner is at least $16.53 million as of November 14th, 2022. Mr. Gayner owns 26,700 shares of Graham stock worth more than $16,531,839 as of December 6th. This net worth estimate does not reflect any other assets that Mr. Gayner may own. Learn More about Thomas Sinnickson Gayner's net worth.

How do I contact Thomas Sinnickson Gayner?

The corporate mailing address for Mr. Gayner and other Graham executives is 1300 NORTH 17TH STREET, ARLINGTON VA, 22209. Graham can also be reached via phone at (703) 345-6300. Learn More on Thomas Sinnickson Gayner's contact information.

Has Thomas Sinnickson Gayner been buying or selling shares of Graham?

Thomas Sinnickson Gayner has not been actively trading shares of Graham in the last ninety days. Most recently, on Friday, September 16th, Thomas Sinnickson Gayner bought 100 shares of Graham stock. The stock was acquired at an average cost of $556.15 per share, with a total value of $55,615.00. Following the completion of the transaction, the director now directly owns 5,500 shares of the company's stock, valued at $3,058,825. Learn More on Thomas Sinnickson Gayner's trading history.

Who are Graham's active insiders?

Graham's insider roster includes Thomas Gayner (Director), Jack Markell (Director), and Marcel Snyman (CAO). Learn More on Graham's active insiders.

Are insiders buying or selling shares of Graham?

In the last twelve months, Graham insiders bought shares 1 times. They purchased a total of 100 shares worth more than $55,615.00. The most recent insider tranaction occured on September, 16th when Director Thomas Sinnickson Gayner bought 100 shares worth more than $55,615.00. Insiders at Graham own 20.5 % of the company. Learn More about insider trades at Graham.

Information on this page was last updated on 9/16/2022.

Thomas Sinnickson Gayner Insider Trading History at Graham

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/16/2022Buy100$556.15$55,615.005,500View SEC Filing Icon  
11/11/2021Buy100$595.17$59,517.00View SEC Filing Icon  
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Thomas Sinnickson Gayner Buying and Selling Activity at Graham

This chart shows Thomas Sinnickson Gayner's buying and selling at Graham by year and by quarter.

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Graham Company Overview

Graham logo
Graham Holdings Company, through its subsidiaries, operates as a diversified education and media company worldwide. It provides test preparation services and materials; data science and training services; professional training and exam preparation for professional certifications and licensures; and non-academic operations support services to the Purdue University Global. The company also offers training, test preparation, and degrees for accounting and financial services professionals; English-language training, academic preparation programs, and test preparation for English proficiency exams; and A-level examination preparation services, as well as operates three colleges, a business school, a higher education institution, and an online learning institution. In addition, it owns and operates seven television stations; and provides social media management tools to connect newsrooms with their users, as well as produces Foreign Policy magazine and website. Further, the company publishes Slate, an online magazine; and two French-language news magazine websites at and Additionally, it provides social media marketing solutions; home health and hospice services; burners, igniters, dampers, and controls; screw jacks, linear actuators and related linear motion products, and lifting systems; pressure impregnated kiln-dried lumber and plywood products; cybersecurity training solutions; digital advertising services; and power charging and data systems, industrial and commercial indoor lighting solutions, and electrical components and assemblies. The company also owns and operates 11 restaurants and entertainment venues; and engages in automobile dealerships business. The company was formerly known as The Washington Post Company and changed its name to Graham Holdings Company in November 2013. Graham Holdings Company was founded in 1877 and is based in Arlington, Virginia.
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Today's Range

Now: $617.60
Low: $608.75
High: $617.60

50 Day Range

MA: $607.55
Low: $525.58
High: $661.45

2 Week Range

Now: $617.60
Low: $525.58
High: $675.00


1,992 shs

Average Volume

20,482 shs

Market Capitalization

$2.96 billion

P/E Ratio


Dividend Yield



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