Highest-materiality recent filing
Six Flags names Mark Pauls COO, Tim Fisher transitions to Special Advisor
Tim Fisher departs as COO effective July 15, 2026; will serve as Special Advisor through Dec 15, 2026.
COO Tim Fisher's employment agreement amended; term now expires December 15, 2026.
Six Flags appoints Ash Walia as CFO effective June 17, 2026
Ash Walia appointed CFO, effective June 17, 2026; replaces interim CFO Dave Hoffman who returns to CAO role.
Six Flags annual meeting results: all proposals pass, directors elected
Class II directors Haddrill, Huang, Spiegel elected with 72.6M, 60.2M, 71.3M votes for, respectively.
Six Flags appoints H Partners' Rehan Jaffer to board after May 26 meeting
Arik Ruchim resigns from board effective after the 2026 Annual Meeting; Rehan Jaffer appointed as Class III director.
Six Flags announces CFO, CLO departures; new CMO and CLO appointed June 3, 2026
CFO Brian Witherow steps down May 8; CAO Dave Hoffman named interim finance lead.
Six Flags Q1 revenue up 12% to $226M; Adj. EBITDA loss narrows 28%
Net revenues $225.6M (+12% YoY); attendance 2.9M (+4%); per capita $69.26 (+6%).
Six Flags subsidiary to sell Maryland real property to JV of Kevin Durant's 35V and TPA Group
Subsidiary Six Flags America Property Corp. entered purchase agreement to sell certain real property in Prince George's County, MD.
Six Flags closes sale of six U.S. parks to EPR Properties; La Ronde sale expected Q2 2026
Six Flags completed sale of six U.S. parks: Valleyfair, Worlds of Fun, Michigan's Adventure, Schlitterbahn Galveston, Six Flags St. Louis, Six Flags Great Escape.
Six Flags appoints Richard Haddrill as Executive Chairman; board expands to 11
Richard Haddrill appointed Executive Chair, effective March 24, 2026; Marilyn Spiegel named Lead Independent Director.
Director Jennifer Mason to step down at 2026 annual meeting, no disagreement
Jennifer Mason will not stand for re-election at the 2026 annual meeting.
Six Flags sells 7 parks to EPR for $331M cash to reduce debt and sharpen focus
Cash proceeds $331M from sale of 7 parks to EPR Properties; net after-tax used to pay down debt.
Six Flags Q4 2025 revenue down 5% to $650M; Adj EBITDA $165M vs $209M YoY
Net revenues Q4 $650M (-5% YoY); attendance 9.3M (-13%); per capita spending up 8% to $66.41.
Amendment raises Dendur's beneficial ownership cap from 6% to 14.99% for aggregate economic exposure.
Six Flags issues $1B 8.625% senior notes due 2032 to refinance 2027 notes
$1,000,000,000 aggregate principal of 8.625% senior notes due January 15, 2032 issued in private offering.
Six Flags launches $1B private offering of 2032 senior notes to refinance 2027 notes
$1.0B aggregate principal amount of Senior Notes due 2032 offered in private placement.
Six Flags engages Selim Bassoul as consultant for Qiddiya project; fee $1.55M
Consulting agreement with Selim Bassoul effective Jan 1, 2026 through Dec 31, 2026.
Decision not to exercise the End-of-Term Option, which required notice by Dec 31, 2025.
Director Louis Carr resigns from Six Flags board effective Dec 24, 2025
Resignation not due to any disagreement with the board, company, or management.
Six Flags appoints John Reilly as President and CEO effective Dec 8, 2025
John Reilly named President and CEO, also joins Board; succeeds Richard Zimmerman who steps down on Dec 8.
Six Flags posts Q3 net loss of $1.2B on $1.5B impairment, revenue down 2%
Net revenues $1.32B, down 2% vs prior year; attendance up 1% to 21.1M guests.
Six Flags appoints Sachem Head partner Brudnick to board in cooperation deal
Jonathan Brudnick, a Sachem Head partner, joins Six Flags Board as Class III director effective Oct 17, 2025.
Executive Chairman Bassoul and Lead Director Hanrahan to step down; Marilyn Spiegel named Chair
Selim Bassoul steps down as Executive Chairman and from Board effective Dec 31, 2025; will consult on Six Flags Qiddiya City.
Six Flags reports 3% August attendance growth; reaffirms FY2025 EBITDA guidance of $860M-$910M
17.8M guests over 9 weeks ending Aug 31, 2025, up 2% vs same 2024 period.
Six Flags board determines annual say-on-pay votes through 2031
Shareholders voted 77,006,513 shares for one-year frequency, 268,913 for two, 317,291 for three, and 189,554 abstained.
CEO Richard Zimmerman to step down by end of 2025; board launches search
President & CEO Richard Zimmerman will step down by end of 2025; will remain CEO until successor appointed.
Six Flags reports Q2 net loss $100M; cuts full-year guidance on weather and weak demand
Net loss attributable to Six Flags of $100M ($0.99 diluted EPS) vs net income of $56M in Q2 2024.
Six Flags closes $500M incremental term loan, repays 2025 notes
Incurred $500M incremental Term B Loans to refinance 7% Senior Secured Notes due 2025 and revolver debt.
Six Flags shareholders elect four directors, ratify Deloitte, approve say-on-pay at 1-year frequency
Sandra Cochran, Michael Colglazier, Felipe Dutra, Steven Hoffman elected Class I directors with >76M votes each.
Six Flags holds Investor Day; presentation posted on IR website, no new financial data
Filed as Regulation FD disclosure; investor presentation posted on IR website on May 20, 2025.
Six Flags Q1 net loss $220M, revenue $202M; maintains FY EBITDA guidance
Net loss attributable to company of $220M ($2.20/sh) vs $133M loss in Q1 2024, including $134M loss from legacy Six Flags.
Six Flags to close Six Flags America & Hurricane Harbor after 2025; property for redevelopment
Six Flags America and Hurricane Harbor in Bowie, MD close Nov 2, 2025; ~500-acre property listed for sale via CBRE.
Six Flags nominates four new independent directors; four current directors resign
Dendur Capital gets two board seats; cooperation includes standstill and voting commitments until 2027.
Six Flags reports Q4 2024 net loss of $264M; targets 2025 Adjusted EBITDA of $1.08B-$1.12B
Q4 net revenues $687M; net loss $264M ($2.76 diluted EPS) includes $210M non-cash tax provision from restructuring.
Six Flags sets 2025 annual meeting for June 25; shareholder deadline dates specified
Annual meeting of stockholders scheduled for June 25, 2025.
Six Flags exercises option to acquire remaining ~68.5% interest in SFOG for ~$332.6M by Jan 2027
On Dec 17, 2024, Six Flags notified Georgia Purchaser to exercise end-of-term option to acquire minority stake in Six Flags Over Georgia and White Water Atlanta.
Six Flags Q3 revenue $1.35B, Adj EBITDA $558M; targets $800M FCF by 2027
Net income $111M ($1.10 diluted EPS); Adj EBITDA $558M includes $206M from legacy Six Flags.
Six Flags enters new employment agreements with five top executives post-merger
CEO Richard Zimmerman: $1.1M base, 150% bonus target, initial PSU target of 163,116 shares.
Six Flags posts pro forma net loss of $23M for 2023, $186M for H1 2024 after merger of equals
Pro forma 2023 revenue $3.23B; net loss attributable to controlling interests $23.3M ($0.23 per share).
Investor presentation furnished; excerpt incomplete, no specific facts available
Six Flags filed a September 2024 investor presentation as Exhibit 99.1.
Legacy Cedar Fair: net revenues $572M (record, +14%), attendance 8.6M (+17%), Adjusted EBITDA $205M (+36%).
Former Six Flags Q2 net income $34.1M, EPS $0.40; merger closed July 1
Q2 2024 revenue $438.5M, down from $443.7M in prior-year quarter.
Six Flags appoints Selim Bassoul as Executive Chairman with $1.55M base salary
Base salary of $1,550,000 per year, subject to annual Board review.
Cedar Fair and Six Flags complete merger of equals; combined company to trade as FUN
Each Cedar Fair unit converted to 1 share of new Six Flags common; each Six Flags share received 0.5800 shares.
On July 2, 2026, the Company also announced the appointment of Mark Pauls as Chief Operating Officer of the Company, effective July 15, 2026.
On July 1, 2026, Six Flags Entertainment Corporation (the “Company”) announced Tim Fisher’s departure from the role of Chief Operating Officer of the Company, effective July 15, 2026.
the Amendment provides that the term of Mr. Fisher’s Employment Agreement will expire on December 15, 2026
On May 27, 2026, Six Flags Entertainment Corporation (the “Company”) announced the appointment of Ash Walia as Chief Financial Officer of the Company, effective June 17, 2026.
Other than with respect to the matters described in Item 1.01 of this Current Report on Form 8-K, there is no arrangement or understanding between Mr. Jaffer and any other person pursuant to which he was selected as a director.
David Hoffman, the Chief Accounting Officer of the Company, will serve as the Interim Chief Financial Officer, effective May 8, 2026.
On May 7, 2026, Six Flags Entertainment Corporation (the “Company”) announced the departures of Brian Witherow, the Chief Financial Officer of the Company, and Brian Nurse, the Chief Legal and Compliance Officer of the Company, effective May 8, 2026.
On May 7, 2026, Six Flags Entertainment Corporation (the “Company”) announced the departures of Brian Witherow, the Chief Financial Officer of the Company, and Brian Nurse, the Chief Legal and Compliance Officer of the Company, effective May 8, 2026.
On July 1, 2024, the Company entered into an employment agreement with Selim Bassoul to serve as Executive Chairman of the Board of Directors of the Company.
Mr. Mick tendered his resignation from the Board on and effective as of the Closing
Effective as of the Closing Date, the following individuals were appointed to serve on the Board: • Selim Bassoul • Esi Eggleston Bracey • Louis Carr • Michelle Frymire • Daniel Hanrahan • Chieh Huang • Jennifer Mason • Enrique Ramirez Mena • D. Scott Olivet • Arik Ruchim • Marilyn Spiegel • Richard A. Zimmerman
Effective as of the Closing Date, the following individuals were appointed to serve on the Board: • Selim Bassoul • Esi Eggleston Bracey • Louis Carr • Michelle Frymire • Daniel Hanrahan • Chieh Huang • Jennifer Mason • Enrique Ramirez Mena • D. Scott Olivet • Arik Ruchim • Marilyn Spiegel • Richard A. Zimmerman
Max materiality 1.00 · Median 0.60 · Most common event leadership