Richard “Dick” Haddrill was appointed executive chair of Six Flags Entertainment Corporation board of directors in March 2026.
Mr. Haddrill is the Founder and CEO of The Groop, LLC, an investment and advisory company, and founder and Vice Chairman of Generator Partners, an alternative energy and home electrification company.
He was previously Executive Vice Chairman of Scientific Games, where he oversaw the integration of Bally Technologies and the expansion and evolution of Scientific Games’ portfolio.
Prior to that, he served as CEO of Bally Technologies, where he increased revenue from $550 million to $1.2 billion and the share price by 7x over the eight years prior to Bally’s acquisition by Scientific Games in 2014.
He previously served as Chief Executive Officer of Manhattan Associates, Inc., where he increased the company’s revenues by 150% and its share price by 8x in a five-year span.
Haddrill has served on numerous private and public company boards and, earlier in his career, was a Partner and Managing Partner at Ernst & Young, where he served as National Director of Entrepreneurial Services.
He earned a BS in Business Administration from the University of Michigan.
What is Richard M. Haddrill's net worth?
The estimated net worth of Richard M. Haddrill is at least $4.66 million as of May 12th, 2026. Haddrill owns 230,117 shares of Six Flags Entertainment stock worth more than $4,661,250 as of June 3rd. This net worth estimate does not reflect any other assets that Haddrill may own. Learn More about Richard M. Haddrill's net worth.
How do I contact Richard M. Haddrill?
Has Richard M. Haddrill been buying or selling shares of Six Flags Entertainment?
During the last quarter, Richard M. Haddrill has bought $190,800.00 in Six Flags Entertainment stock. Most recently, on Tuesday, May 12th, Richard M. Haddrill bought 10,000 shares of Six Flags Entertainment stock. The stock was acquired at an average cost of $19.08 per share, with a total value of $190,800.00. Following the completion of the transaction, the insider now directly owns 230,117 shares of the company's stock, valued at $4,390,632.36. Learn More on Richard M. Haddrill's trading history.
Who are 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 3 times. They purchased a total of 15,000 shares worth more than $286,350.00. The most recent insider tranaction occured on May, 21st when Director Marilyn G Spiegel bought 2,500 shares worth more than $47,750.00. 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 5/21/2026.