144 0001338176 XXXXXXXX LIVE 0001673743 Hinge Health, Inc. 001-42657 455 Market Street, Suite 700 San Francisco CA 94105 4157262206 JAMES BUDGE Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

47720 4910388.00 62468721 10/12/2026 NYSE Common 05/21/2025 Restricted Stock Units Issuer N 47720 05/21/2025 N/A N 10b5-1 Sales for JAMES BUDGE

455 Market Street, Suite 700 San Francisco CA 94105

Common 09/10/2026 55561 4969997.03 The securities to be sold were acquired upon the vesting of restricted stock units during the period of 05/21/2025 through 10/10/2026. Sales that were executed on October 12, 2026 are being reported on this Form 144 filed on October 13, 2026 given the EDGAR system was not accepting filings on October 12, 2026 in observance of the federal holiday. 10/12/2026 06/11/2026 /s/ James Budge