Jane Street reports 1.59M Hinge Health (HNGE) shares in amended 13G/A

Rhea-AI Filing Summary

Jane Street Group, LLC and affiliated entities filed an amended Schedule 13G reporting a passive stake in Hinge Health, Inc. They report beneficial ownership of 1,588,611 shares of Class A common stock, representing 4.2% of the class, with shared voting and dispositive power over all reported shares.

The filing states the securities were not acquired and are not held to change or influence control of Hinge Health, indicating a passive investment position rather than an activist role.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Hinge Health, Inc.

(Name of Issuer)

Class A Common Stock, par value $0.00001 per share

(Title of Class of Securities)

433313103

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 433313103

1

Names of Reporting Persons

JANE STREET GROUP, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,588,611.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,588,611.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,588,611.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.2 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 433313103

1

Names of Reporting Persons

Jane Street Capital, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 340,726.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 340,726.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

340,726.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.9 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP No. 433313103

1

Names of Reporting Persons

Jane Street Options, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 21,800.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 21,800.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

21,800.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.1 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP No. 433313103

1

Names of Reporting Persons

Jane Street Global Trading, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,226,085.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,226,085.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,226,085.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.2 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Hinge Health, Inc.
(b)	Address of issuer's principal executive offices: 455 MARKET STREET, 455 MARKET STREET, SAN FRANCISCO, CALIFORNIA, 94105.
Item 2.
(a)	Name of person filing: Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Options, LLC; Jane Street Global Trading, LLC
(b)	Address or principal business office or, if none, residence: Jane Street Group, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Capital, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Options, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Global Trading, LLC 250 Vesey Street 6th Floor New York, NY 10281
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Class A Common Stock, par value $0.00001 per share
(e)	CUSIP No.: 433313103
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1,588,611.00
(b)	Percent of class: 4.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 1,588,611.00
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,588,611.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Options, LLC; Jane Street Global Trading, LLC
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

JANE STREET GROUP, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/02/2026

Jane Street Capital, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/02/2026

Jane Street Options, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/02/2026

Jane Street Global Trading, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/02/2026

FAQ

What stake does Jane Street report in Hinge Health (HNGE)?

Jane Street reports beneficial ownership of 1,588,611 Hinge Health Class A shares, equal to 4.2% of the class. All reported shares are held with shared voting and dispositive power, indicating a sizable but still sub‑5% position in the company.

Which Jane Street entities are listed in the Hinge Health Schedule 13G/A?

The filing lists Jane Street Group, LLC, Jane Street Capital, LLC, Jane Street Options, LLC, and Jane Street Global Trading, LLC. Each entity reports a specific portion of the overall 1,588,611 shares beneficially owned in Hinge Health’s Class A common stock.

Is Jane Street’s Hinge Health stake considered passive or activist?

The filing certifies the Hinge Health shares were not acquired to change or influence control of the issuer. This language indicates a passive investment intent under Schedule 13G rules, rather than an activist or control‑seeking position.

How many Hinge Health shares does each Jane Street entity report?

Jane Street Group, LLC reports 1,588,611 shares beneficially owned. Subsidiaries report portions: Jane Street Capital, LLC 340,726 shares, Jane Street Options, LLC 21,800 shares, and Jane Street Global Trading, LLC 1,226,085 shares, all with shared voting and dispositive power.

Why was this amended Schedule 13G filed for Hinge Health (HNGE)?

The amended Schedule 13G updates Jane Street’s beneficial ownership information in Hinge Health Class A shares as of December 31, 2025. It reflects a 4.2% passive stake and confirms the position is not intended to influence or change control of the issuer.