Initial Statement of Beneficial Ownership of Securities

This filing reports the initial statement of beneficial ownership of securities for Ashok Walia, Chief Financial Officer of Six Flags Entertainment Corporation/NEW. The report date is June 17, 2026. Ashok Walia is identified by CIK 0002139766 and his address is 8701 RED OAK BLVD, CHARLOTTE, NC 28217. The filing indicates that he directly owns 1 security and has no derivative or non-derivative holdings to report beyond this single security.