John Reilly Biography and Net Worth

President & Chief Executive Officer of Six Flags Entertainment

John Reilly is president and CEO of Six Flags Entertainment Corporation and also serves as a board director. He was appointed to these roles in December 2025.

Mr. Reilly has more than three decades of experience in the amusement and recreation industry, a proven track record of leadership in high-stakes environments, and significant operational management and strategic growth expertise.

He most recently served as CEO of Palace Entertainment U.S. and group chief operating officer at Parques Reunidos, where he was instrumental in driving profitable growth and enhancing the guest experience across the company’s properties in the U.S., Australia and Europe. Prior to Parques Reunidos, he served as COO and interim CEO at SeaWorld Parks and Entertainment, now United Parks & Resorts Inc., where he helped deliver meaningful EBITDA growth and total shareholder returns.

Mr. Reilly earned an MBA from the University of Miami and a B.A. from William & Mary.

What is John T. Reilly's net worth?: The estimated net worth of John T. Reilly is at least $4.99 million as of August 12th, 2026. Mr. Reilly owns 297,736 shares of Six Flags Entertainment stock worth more than $4,987,078 as of August 20th. This net worth estimate does not reflect any other investments that Mr. Reilly may own. Learn More about John T. Reilly's net worth.
How do I contact John T. Reilly?: The corporate mailing address for Mr. Reilly and other Six Flags Entertainment executives is ONE CEDAR POINT DRIVE, SANDUSKY OH, 44870. Six Flags Entertainment can also be reached via phone at (419) 626-0830 and via email at [email protected]. Learn More on John T. Reilly's contact information.
Has John T. Reilly been buying or selling shares of Six Flags Entertainment?: In the last ninety days, John T. Reilly has bought $248,265.40 in shares of Six Flags Entertainment stock. Most recently, on Wednesday, August 12th, John T. Reilly bought 15,713 shares of Six Flags Entertainment stock. The stock was acquired at an average cost of $15.80 per share, with a total value of $248,265.40. Following the completion of the transaction, the chief executive officer now directly owns 297,736 shares of the company's stock, valued at $4,704,228.80. Learn More on John T. Reilly's trading history.
Who are Six Flags Entertainment's active insiders?: Six Flags Entertainment's insider roster includes Richard Haddrill (Insider), John Reilly (President & Chief Executive Officer), and Marilyn Spiegel (Director). Learn More on Six Flags Entertainment's active insiders.
Are insiders buying or selling shares of Six Flags Entertainment?: In the last year, Six Flags Entertainment insiders bought shares 6 times. They purchased a total of 280,713 shares worth more than $6,422,115.40. The most recent insider tranaction occured on August, 12th when CEO John T Reilly bought 15,713 shares worth more than $248,265.40. Insiders at Six Flags Entertainment own 2.1% of the company. Learn More about insider trades at Six Flags Entertainment.
Information on this page was last updated on 8/12/2026.

John T. Reilly Insider Trading History at Six Flags Entertainment

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
8/12/2026	Buy	15,713	$15.80	$248,265.40	297,736

John T. Reilly Buying and Selling Activity at Six Flags Entertainment

Six Flags Entertainment Company Overview

Cedar Fair, L.P. owns and operates amusement and water parks, as well as complementary resort facilities. Its amusement parks include Cedar Point located on Lake Erie between Cleveland and Toledo in Sandusky, Ohio; Knott's Berry Farm near Los Angeles, California; Canada's Wonderland near Toronto, Ontario; Kings Island near Cincinnati, Ohio; Carowinds in Charlotte, North Carolina; Kings Dominion situated near Richmond, Virginia; California's Great America located in Santa Clara, California; Dorney Park in Pennsylvania; Worlds of Fun located in Kansas City, Missouri; Valleyfair situated near Minneapolis/St. Paul, Minnesota; Michigan's Adventure situated near Muskegon, Michigan; Schlitterbahn Waterpark & Resort New Braunfels in New Braunfels, Texas; and Schlitterbahn Waterpark Galveston in Galveston, Texas. The company also owns and operates the Castaway Bay Indoor Waterpark Resort, Hotel Breakers, Cedar Point's Express Hotel, and Sawmill Creek Resort. Cedar Fair, L.P. was founded in 1983 and is based in Sandusky, Ohio.

Today's Range

Now: $16.67

$16.62

$17.24

50 Day Range

MA: $19.40

$15.63

$24.98

2 Week Range

Now: $16.67

$12.51

$27.37

Volume

842,339 shs

Average Volume

2,185,324 shs

Market Capitalization

$1.71 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.4