RHYTHM PHARMACEUTICALS (RYTM) 8-K SUMMARY

Event: Disclosure of Third Quarter 2025 Financial Results.

• Date Filed: November 4, 2025
• Period Covered: Quarter ended September 30, 2025
• Key Item: Item 2.02 (Results of Operations and Financial Condition).

Specific financial metrics and performance details are not included directly in this 8-K filing but are furnished in Exhibit 99.1 (the corresponding press release).

Investor Action: Investors must review Exhibit 99.1 for critical performance data, guidance, or material business updates related to Q3 202