X0306 4 2021-12-29 1 0001833769 Hyperfine, Inc. HYPR 0001833772 HC Sponsor LLC 31 HUDSON YARDS 10TH FLOOR NEW YORK NY 10001 0 0 1 0 0001409307 HealthCor Group, LLC 31 HUDSON YARDS, 10TH FLOOR NEW YORK NY 10001 0 0 1 0 0001343780 Cohen Arthur Bruce 12 SOUTH MAIN STREET SUITE #203 NORWALK CT 06854 0 0 1 0 0001343779 Healey Joseph Patrick 31 HUDSON YARDS, 10TH FLOOR NEW YORK NY 10001 0 0 1 0 Class A Common Stock 5534000 D Class A Common Stock 2021-12-29 4 P 0 100000 7.000 A 1100000 I See Footnotes Class A Common Stock 2022-01-10 4 P 0 13677 6.698 A 1113677 I See Footnote Class A Common Stock 2022-01-11 4 P 0 2913 6.728 A 1116590 I See Footnote Class A Common Stock 2022-01-12 4 P 0 8410 6.569 A 1125000 I See Footnote Class A Common Stock 2022-01-21 4 P 0 25000 4.502 A 1150000 I See Footnote Class A Common Stock 2022-01-26 4 P 0 78053 3.747 A 1228053 I See Footnote Class A Common Stock 2022-02-03 4 P 0 21947 4.000 A 1250000 I See Footnote Class A Common Stock 2022-12-16 4 J 0 5534000 0 D 0 D This Form 4 is being filed by HC Sponsor LLC (the "Sponsor"). HealthCor Group, LLC ("HealthCor Group") shares voting and/or dispositive control over the securities held by the Sponsor. HealthCor Group is controlled by Messrs. Arthur B. Cohen and Joseph P. Healey. Accordingly, all of the shares held by Sponsor may be deemed to be beneficially held by Messrs Cohen and Healey. Each such reporting person disclaims beneficial ownership of all securities reported herein except to the extent of their respective pecuniary interest therein. Includes 1,000,000 shares previously reported as owned directly. These shares are held by affiliates of the Reporting Persons. HealthCor Group shares voting and/or dispositive control over these securities. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.676 to $6.75, inclusive. The reporting persons undertake to provide to the issuer, any securityholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (6) to this Form 4. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.724 to $6.75, inclusive. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.55 to $6.613, inclusive. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.731 to $3.75, inclusive. Sponsor distributed these shares to its members on a pro rata basis for no consideration. A fund controlled by HealthCor Group and Messrs. Cohen and Healey are each members of Sponsor and received 526,020, 781,226 and 781, 227 shares in the distribution. Those shares are now owned by such persons directly. /s/ Arthur Bruce Cohen, as Authorized Signatory for HC Sponsor LLC 2022-12-20 /s/ Arthur Bruce Cohen, as Authorized Signatory for HealthCor Group, LLC 2022-12-20 /s/ Arthur Bruce Cohen 2022-12-20 /s/ Joseph Patrick Healey 2022-12-20