Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On July 17, 2026, Shantanu K. Gaur, M.D. notified Allurion Technologies, Inc. (the "Company") of his resignation as Chief Executive Officer of the Company and as a member of the Company's board of directors (the "Board"), in each case effective immediately.

Dr. Gaur's resignation was not the result of any disagreement with the Company or the Board on any matter relating to the Company's operations, policies or practices.

In connection with Dr. Gaur's resignation, the Board has not appointed an interim or permanent Chief Executive Officer. Ojas Buch, the Company's Chief Operating Officer, will oversee the Company's day-to-day operations, including certain responsibilities previously performed by Dr. Gaur. Mr. Buch's title and compensation arrangements have not been modified in connection with these responsibilities.