Welcome to our dedicated page for Six Flags Entertainment Corporation SEC filings (Ticker: FUN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Six Flags Entertainment Corporation (NYSE: FUN) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. These documents include current reports on Form 8-K, annual and quarterly reports when available, and other materials that describe Six Flags’ financial condition, capital structure, governance changes and significant corporate events.
Six Flags uses Form 8-K filings to report material developments such as debt offerings and redemptions, leadership and board changes, and strategic agreements. Recent 8-Ks describe a private offering of $1.0 billion of 8.625% senior notes due 2032, the planned redemption of senior notes due 2027, and the terms of the related indenture, including interest, maturity, ranking and restrictive covenants. Other 8-K filings outline cooperation agreements with investors, appointments and resignations of directors, and the employment agreement for the company’s President and Chief Executive Officer.
Filings also provide context on the merger between legacy Six Flags Entertainment Corporation and Cedar Fair, L.P., including unaudited pro forma condensed combined financial information, as well as periodic updates on results of operations and preliminary revenue trends. Additional 8-Ks address specific park-related arrangements, such as the company’s decision regarding an end-of-term option in the partnership that holds Six Flags Over Texas, and consulting agreements tied to projects like Qiddiya in Saudi Arabia.
On Stock Titan, these filings are supplemented by AI-powered summaries that highlight key terms, financial implications and governance details, helping readers quickly interpret complex documents. Users can monitor new 8-Ks for information about Six Flags’ financing activities, board composition, executive compensation arrangements and other regulatory disclosures, and can use the platform to track how these filings relate to the company’s broader amusement and theme park operations.
Six Flags Entertainment Corporation (FUN) announced that John Reilly will become President and Chief Executive Officer and join the Board as a Class III director effective December 8, 2025, succeeding Richard Zimmerman, who will leave his roles the same day. Reilly’s three-year employment agreement includes an initial annual base salary of $1,100,000, an annual bonus target of 150% of salary with a maximum of 300%, an annual equity grant starting in 2026 targeted at $5,625,000, and a day-one equity grant of $7,500,000 in restricted stock units and performance stock units vesting on the third anniversary, subject to continued service and performance goals.
If he is terminated without Cause or resigns for Good Reason, Reilly is eligible for cash severance equal to two times salary plus target bonus, certain bonus payments, medical coverage support for 18 months, and accelerated vesting of equity scheduled to vest within 18 months, with broader vesting if such a termination occurs within 12 months after a Change in Control. The company also approved retention bonuses payable on July 1, 2026 for six senior executives ranging from $450,000 to $750,000, and temporarily increased their cash severance to two times salary and target incentives for specified terminations between July 1, 2026 and June 30, 2027.
Six Flags Entertainment Corporation (FUN) reported a challenging quarter while integrating its merger with Cedar Fair. Cedar Fair is the accounting acquirer, and the combined company now trades under “FUN.”
For the three months ended September 28, 2025, net revenues were $1,317.8 million versus $1,348.4 million a year ago. The quarter included $1,518.1 million of non-cash impairments across several Six Flags parks and trade names, driving an operating loss of $1,103.6 million and a net loss of $1,187.3 million (diluted EPS $(11.77)). For the nine months, operating cash flow was $365.1 million and capital expenditures were $408.1 million.
Balance sheet highlights show total notes and loans of $5,050.7 million (gross). The company added a $500 million term loan on June 27, 2025, redeemed the remaining $200 million of 2025 Six Notes, and ended the quarter with $112.0 million drawn on its revolver and $692.2 million of revolver availability. Current deferred revenue was $333.1 million. The company plans to close Six Flags America after the 2025 season. A $40.0 million securities class action settlement was approved in January 2025 and fully funded by insurance. Shares outstanding were 101,474,349 as of October 31, 2025.
Morgan Stanley filed a Schedule 13G disclosing a passive stake in Six Flags Entertainment Corporation. The firm reported beneficial ownership of 5,695,414 shares, representing 5.6% of the company’s common stock as of the event date 09/30/2025. It reported shared voting power over 5,630,442 shares and shared dispositive power over 5,695,414 shares.
Separately, Morgan Stanley Capital Services LLC reported beneficial ownership of 5,489,443 shares, or 5.4%, with shared voting and shared dispositive power over the same 5,489,443 shares. The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.
Six Flags Entertainment Corporation (FUN) furnished materials related to its fiscal third-quarter 2025 results. The company issued a news release disclosing Q3 2025 performance and posted a slide presentation on its investor relations website. Both items are provided as exhibits and are designated as furnished, not deemed “filed” under Section 18 of the Exchange Act.
The news release is included as Exhibit 99.1 and the earnings call presentation as Exhibit 99.2. The materials may be used, in whole or in part, or with modifications, in presentations to investors, analysts and others. The report is signed by Chief Financial Officer Brian C. Witherow on November 7, 2025.
Sachem Head–affiliated reporting persons filed a joint Form 3 for Six Flags Entertainment Corporation (FUN). The filing lists indirect beneficial ownership of 5,030,000 shares of common stock. It also discloses three cash‑settled total return swaps referencing an aggregate 4,995,000 shares, each with an expiration date of 06/03/2027 and reference prices of $28.6892, $28.6115, and $29.0555.
Jonathan Brudnick is identified as a director of the issuer. The joint filers include Sachem Head Capital Management LP, Uncas GP LLC, Sachem Head GP LLC, and Scott D. Ferguson, who may be deemed directors by deputization. The reporting persons disclaim beneficial ownership of the subject securities except to the extent of any pecuniary interest, and state the swaps do not confer voting, investment, or dispositive power over Six Flags securities.
Six Flags Entertainment Corporation (FUN) entered into a Cooperation Agreement with Sachem Head Capital Management, expanding its Board from 12 to 13 directors and appointing Jonathan Brudnick as a Class III director with a term expiring at the 2027 Annual Meeting. He also joins the Nominating and Governance Committee.
Mr. Brudnick delivered an irrevocable resignation letter effective upon the earliest of Sachem Head falling below a 3% beneficial ownership/economic exposure threshold or a final non‑appealable judgment finding an uncured material breach of the agreement. Until the standstill termination date, Sachem Head agreed to vote in line with the Board’s recommendations, with a carve‑out allowing proportional voting if ISS or Glass Lewis recommend otherwise on Company proposals (excluding director elections) and full discretion on extraordinary transactions. The agreement includes customary standstill and mutual non‑disparagement provisions and remains in place until 20 days after Mr. Brudnick ceases to serve.
The Company noted the Board will expand to 13 and, following previously announced departures, decrease to 11. A related press release was furnished as an exhibit.
Six Flags Entertainment Corporation reported a governance update: the board designated a non-executive Chair position to take effect on
Six Flags Entertainment Corporation filed a current report to let investors know it has released a news update under Regulation FD. On September 12, 2025, the company issued a news release providing preliminary net revenues and other financial information for the period through August 31, 2025. The news release is included with the filing as Exhibit 99.1.
The company notes that this information is being furnished rather than filed, which means it is not subject to certain liability provisions of the securities laws and is not automatically incorporated into other securities filings unless specifically referenced. The filing is signed on behalf of the company by its Chief Financial Officer, Brian C. Witherow.
Tim Fisher, Chief Operating Officer of Six Flags Entertainment Corporation (FUN), reported a tax-withholding disposition related to vested restricted stock. On 08/22/2025 he had 21,850 shares withheld and disposed at an average price of $25.59 to satisfy tax obligations tied to a restricted stock award that vested the same day. After the withholding, Mr. Fisher beneficially owns 241,334 shares. The filing is a routine Section 16 report documenting the withholding and transfer of shares to cover taxes on equity vesting.
Six Flags Entertainment Corporation reported results of a non-binding advisory vote on the frequency of future say-on-pay votes held at its 2025 Annual Meeting. Shareholders cast 77,006,513 votes for holding the vote every year, 268,913 for every two years, 317,291 for every three years, and 189,554 abstained, with 12,479,799 broker non-votes. Based on these results, the Board of Directors determined the company will continue to hold an advisory say-on-pay vote annually. The Board expects the next advisory vote on the frequency of say-on-pay votes to occur at the company’s 2031 annual meeting of stockholders.