Filing Summary for Hinge Health, Inc. - Schedule 13G/A Amendment

This filing details an amendment to a Schedule 13G filed by Atomico Advisors IV, Ltd., Atomico IV, L.P., and Atomico IV (Guernsey), L.P. concerning their beneficial ownership of Hinge Health, Inc. Class A Common Stock. The reporting persons collectively own 4,139,144 shares, representing 5.1% of the outstanding stock. This ownership includes shares subject to share collar contracts. The filing also references a joint filing agreement and provides details on the issuer's principal executive office and the reporting persons' addresses. The amendment number is 1, and the event date triggering this filing is November 18, 2025. The total number of shares outstanding as of October 30, 2025, was 81,301,251.