Sec Form 3 Filing - Insight Holdings Group, LLC @ Hinge Health, Inc. - 2025-05-21

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Insight Holdings Group, LLC 2. Issuer Name and Ticker or Trading Symbol Hinge Health, Inc. [ HNGE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O INSIGHT PARTNERS, 1114 AVENUE OF THE AMERICAS, 36TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 05/21/2025 (Street) NEW YORK, NY10036 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Series B Preferred Stock ( 1 ) ( 1 ) ( 1 ) Common Stock 8,982,183 I See footnote ( 2 ) ( 3 ) ( 4 ) Series C Preferred Stock ( 1 ) ( 1 ) ( 1 ) Common Stock 2,026,592 I See footnote ( 2 ) ( 3 ) ( 5 ) Series C-1 Preferred Stock ( 1 ) ( 1 ) ( 1 ) Common Stock 451,723 I See footnote ( 2 ) ( 3 ) ( 6 ) Series D Preferred Stock ( 1 ) ( 1 ) ( 1 ) Common Stock 819,106 I See footnote ( 2 ) ( 3 ) ( 7 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Insight Holdings Group, LLC C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Insight Venture Partners X, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Insight Venture Partners (Cayman) X, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Insight Venture Partners (Delaware) X, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Insight Venture Partners X (Co-Investors), L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Insight Venture Associates X, Ltd. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Insight Venture Associates X, L.P. C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK, NY10036 X Signatures Insight Venture Partners X, L.P., By: Insight Venture Associates X, L.P., its general partner, By: Insight Venture Associates X, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 05/21/2025 Signature of Reporting Person Date Insight Venture Partners (Cayman) X, L.P., By: Insight Venture Associates X, L.P., its general partner, By: Insight Venture Associates X, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 05/21/2025 Signature of Reporting Person Date Insight Venture Partners (Delaware) X, L.P., By: Insight Venture Associates X, L.P., its general partner, By: Insight Venture Associates X, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 05/21/2025 Signature of Reporting Person Date Insight Venture Partners X (Co-Investors), L.P., By: Insight Venture Associates X, L.P., its general partner, By: Insight Venture Associates X, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 05/21/2025 Signature of Reporting Person Date Insight Holdings Group, LLC, By: /s/ Andrew Prodromos/Attorney-in-Fact 05/21/2025 Signature of Reporting Person Date Insight Venture Associates X, Ltd., By: /s/ Andrew Prodromos/Authorized Officer 05/21/2025 Signature of Reporting Person Date Insight Venture Associates X, L.P., By: Insight Venture Associates X, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 05/21/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Immediately prior to the closing of the Issuer's initial public offering, each share of preferred stock of the Issuer, except for the Series E Preferred Stock, will automatically convert and be reclassified into one share of Class B Common Stock. Each share of Class B Common Stock will be convertible at any time at the option of the holder into one share of Class A Common Stock. The Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain events as described further in the Issuer's amended and restated certificate of incorporation. ( 2 )Insight Holdings Group, LLC ("Holdings") is the sole shareholder of Insight Venture Associates X, Ltd. ("IVA X Ltd"), which is the general partner of Insight Venture Associates X, L.P. ("IVA X"), which is the general partner of each of Insight Venture Partners X, L.P. ("IVP X"), Insight Venture Partners (Cayman) X, L.P. ("IVP Cayman X"), Insight Venture Partners (Delaware) X, L.P. ("IVP Delaware X") and Insight Venture Partners X (Co-Investors), L.P. ("IVP X Co-Investors," collectively with IVP X, IVP Cayman X and IVP Delaware X, the "IVP X Funds") (the IVP X Funds, collectively with Holdings, IVA X Ltd and IVA X, the "Insight Entities"). As a result, the amounts owned by each of the IVP X Funds may be deemed attributable to each of the other Insight Entities. ( 3 )(Continued from footnote 2) Each of Jeffrey L. Horing, Deven Parekh, Jeffrey Lieberman and Michael Triplett is a member of the board of managers of Holdings and may be deemed to have shared voting and dispositive power over the shares held of record by the IVP X Funds. The foregoing is not an admission by any other Insight Entity that it is the beneficial owner of the shares held of record by the IVP X Funds. Each of the other Insight Entities, Messrs. Horing, Parekh, Lieberman and Triplett disclaims beneficial ownership of the shares held of record by the IVP X Funds, except to the extent of its/his pecuniary interest therein. ( 4 )Consists of (i) 4,485,644 shares held by IVP X, (ii) 3,678,282 shares held by IVP Cayman X, (iii) 711,528 shares held by IVP Delaware X, and (iv) 106,729 shares held by IVP X Co-Investors. ( 5 )Consists of (i) 1,012,067 shares held by IVP X, (ii) 829,907 shares held by IVP Cayman X, (iii) 160,537 shares held by IVP Delaware X, and (iv) 24,081 shares held by Insight Venture Partners X (Co-Investors). ( 6 )Consists of (i) 225,588 shares held by IVP X, (ii) 184,985 shares held by IVP Cayman X, (iii) 35,783 shares held by IVP Delaware X, and (iv) 5,367 shares held by IVP X Co-Investors. ( 7 )Consists of (i) 409,056 shares held by IVP X, (ii) 335,431 shares held by IVP Cayman X, (iii) 64,886 shares held by IVP Delaware X, and (iv) 9,733 shares held by IVP X Co-Investors.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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