Hyperfine, Inc.

The Company utilizes and subleases office and lab space in Connecticut, which is being leased from an unrelated landlord by 4Catalyzer Corporation (“4C”), which is owned by a related party. The Company pays rent to 4C on a month-to-month basis. A total of approximately $498 and $509 was paid during years ended December 31, 2025 and 2024, respectively.

Legacy Hyperfine entered into a Master Services Agreement (the “Master Services Agreement”) with 4C effective as of July 7, 2021 pursuant to which Hyperfine may engage 4C to provide services such as general administration, facilities, information technology, financing, legal, human resources and other services, through future statements of work and under terms and conditions to be determined by the parties with respect to any services to be provided. The Company paid an aggregate of $113 and $132 during the years ended December 31, 2025 and 2024, respectively, under the Master Services Agreement. As of December 31, 2025 and 2024, there was $50 and $61 due to 4C, respectively, for expenses paid on the Company's behalf. These payables are included in due to related parties on the consolidated balance sheet.