Chen Yu and TCG Crossover funds disclose 11.4% Surrozen (SRZN) stake

Rhea-AI Filing Summary

TCG Crossover funds and Chen Yu report significant ownership in Surrozen, Inc. common stock. TCG Crossover Fund II, L.P. and TCG Crossover Fund III, L.P., through their general partners, each report beneficial ownership of 637,005 shares, or 5.7% of Surrozen’s common stock.

Chen Yu, as sole managing member of both general partners, reports beneficial ownership of 1,274,010 shares, representing 11.4% of the outstanding common stock based on 11,191,978 shares outstanding as of January 27, 2026. The filing states the securities were not acquired or held for the purpose of changing or influencing control of Surrozen.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Surrozen, Inc.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

86889P208

(CUSIP Number)

01/26/2026

(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. 86889P208

1

Names of Reporting Persons

TCG Crossover GP II, 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 637,005.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 637,005.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

637,005.00

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)

5.7 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: These securities are held of record by TCG Crossover II (as defined in Item 2(a) below). TCG Crossover GP II (as defined in Item 2(a) below) is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 11,191,978 shares of Common Stock outstanding as of January 27, 2026, as provided to the Reporting Persons by the Issuer (as defined in Item 1(a) below).

SCHEDULE 13G

CUSIP No. 86889P208

1

Names of Reporting Persons

TCG Crossover Fund II, L.P.

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 637,005.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 637,005.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

637,005.00

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)

5.7 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: These securities are held of record by TCG Crossover II. TCG Crossover GP II is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 11,191,978 shares of Common Stock outstanding as of January 27, 2026, as provided to the Reporting Persons by the Issuer.

SCHEDULE 13G

CUSIP No. 86889P208

1

Names of Reporting Persons

TCG Crossover GP III, 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 637,005.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 637,005.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

637,005.00

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)

5.7 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: These securities are held of record by TCG Crossover III (as defined in Item 2(a) below). TCG Crossover GP III (as defined in Item 2(a) below) is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 11,191,978 shares of Common Stock outstanding as of January 27, 2026, as provided to the Reporting Persons by the Issuer.

SCHEDULE 13G

CUSIP No. 86889P208

1

Names of Reporting Persons

TCG Crossover Fund III, L.P.

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 637,005.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 637,005.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

637,005.00

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)

5.7 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: These securities are held of record by TCG Crossover III. TCG Crossover GP III is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities. Based on 11,191,978 shares of Common Stock outstanding as of January 27, 2026, as provided to the Reporting Persons by the Issuer.

SCHEDULE 13G

CUSIP No. 86889P208

1

Names of Reporting Persons

Chen Yu

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,274,010.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,274,010.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,274,010.00

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)

11.4 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Consists of (i) 637,005 shares of Common Stock held of record by TCG Crossover II and (ii) 637,005 shares of Common Stock held of record by TCG Crossover III. TCG Crossover GP II is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to the securities held of record by TCG Crossover II. TCG Crossover GP III is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to the securities held of record by TCG Crossover III. Chen Yu is the sole managing member of each of TCG Crossover GP II and TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to the securities held of record by TCG Crossover II and TCG Crossover III. Based on 11,191,978 shares of Common Stock outstanding as of January 27, 2026, as provided to the Reporting Persons by the Issuer.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Surrozen, Inc.
(b)	Address of issuer's principal executive offices: 171 Oyster Point Blvd., Suite 400, South San Francisco, CA 94080
Item 2.
(a)	Name of person filing: This joint statement on Schedule 13G is being filed by TCG Crossover Fund II, L.P. (TCG Crossover II), TCG Crossover GP II, LLC (TCG Crossover GP II), TCG Crossover Fund III, L.P. (TCG Crossover III) and TCG Crossover GP III, LLC (TCG Crossover GP III and together with TCG Crossover II, TCG Crossover GP II and TCG Crossover III, the Reporting Entities) and Chen Yu (the Reporting Individual). The Reporting Entities and the Reporting Individual are collectively referred to as the Reporting Persons. The Reporting Persons expressly disclaim status as a group for purposes of this Schedule 13G. The agreement among the Reporting Persons to file jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act is attached to this Statement as Exhibit 1. Other than those securities reported herein as being held directly by such Reporting Person, each Reporting Person disclaims beneficial ownership of all securities reported in this Statement except to the extent of such Reporting Person's pecuniary interest therein.
(b)	Address or principal business office or, if none, residence: The address of the principal business office of each Reporting Person is 245 Lytton Ave., Suite 350, Palo Alto, CA 94301.
(c)	Citizenship: TCG Crossover GP II and TCG Crossover GP II are each a limited liability company organized under the laws of the State of Delaware. TCG Crossover II and TCG Crossover III are each a limited partnership organized under the laws of the State of Delaware. The Reporting Individual is a citizen of the United States of America.
(d)	Title of class of securities: Common Stock, par value $0.0001 per share
(e)	CUSIP No.: 86889P208
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: See Row 9 of the cover page for each Reporting Person and the corresponding comments.
(b)	Percent of class: See Row 11 of the cover page for each Reporting Person and the corresponding comments.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Row 5 of the cover page for each Reporting Person and the corresponding comments.
	(ii) Shared power to vote or to direct the vote: See Row 6 of the cover page for each Reporting Person and the corresponding comments.
	(iii) Sole power to dispose or to direct the disposition of: See Row 7 of the cover page for each Reporting Person and the corresponding comments.
	(iv) Shared power to dispose or to direct the disposition of: See Row 8 of the cover page for each Reporting Person and the corresponding comments.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Under certain circumstances set forth in the limited partnership agreements of TCG Crossover II and TCG Crossover III and the limited liability company agreements of TCG Crossover GP II and TCG Crossover GP III, the general and limited partners or members, as the case may be, of each of such entities may be deemed to have the right to receive dividends from, or the proceeds from, the sale of securities of the Issuer owned by each such entity of which they are a partner or member, as the case may be.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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.

TCG Crossover GP II, LLC

Signature:	/s/ Craig Skaling
Name/Title:	Craig Skaling, Authorized Signatory
Date:	02/02/2026

TCG Crossover Fund II, L.P.

Signature:	/s/ Craig Skaling
Name/Title:	Craig Skaling, Authorized Signatory
Date:	02/02/2026

TCG Crossover GP III, LLC

Signature:	/s/ Craig Skaling
Name/Title:	Craig Skaling, Authorized Signatory
Date:	02/02/2026

TCG Crossover Fund III, L.P.

Signature:	/s/ Craig Skaling
Name/Title:	Craig Skaling, Authorized Signatory
Date:	02/02/2026

Chen Yu

Signature:	/s/ Craig Skaling
Name/Title:	Craig Skaling, as Attorney-in-Fact for Chen Yu
Date:	02/02/2026

Comments accompanying signature: Exhibit A: Joint Filing Agreement Exhibit B: Power of Attorney

FAQ

What ownership stake in Surrozen (SRZN) is reported in this Schedule 13G?

The filing reports that Chen Yu beneficially owns 1,274,010 Surrozen shares, representing 11.4% of the common stock, based on 11,191,978 shares outstanding as of January 27, 2026, as provided by Surrozen to the reporting persons.

How many Surrozen (SRZN) shares do the TCG Crossover funds report owning?

The filing shows TCG Crossover Fund II, L.P. and TCG Crossover Fund III, L.P. each beneficially own 637,005 shares of Surrozen common stock. For each fund, this represents 5.7% of the class, based on 11,191,978 shares outstanding as of January 27, 2026.

Is the Surrozen (SRZN) stake held with the intent to influence control of the company?

The signatory certifies that the securities were not acquired and are not held to change or influence control of Surrozen. They also state the holdings are not in connection with any transaction having that purpose or effect, other than activities tied to a specific nomination rule.

Who are the reporting persons in this Surrozen (SRZN) Schedule 13G filing?

The reporting persons are TCG Crossover Fund II, L.P., TCG Crossover GP II, LLC, TCG Crossover Fund III, L.P., TCG Crossover GP III, LLC, and Chen Yu. They collectively report their beneficial ownership of Surrozen common stock and provide joint filing and power of attorney exhibits.

How is voting and dispositive power over Surrozen (SRZN) shares allocated among the reporting persons?

For each fund entity, the filing reports 0 shares with sole voting or dispositive power and 637,005 shares with shared voting and dispositive power. Chen Yu is described as sharing voting and dispositive power over 1,274,010 shares through his roles in the general partners.

What share count did Surrozen (SRZN) report as outstanding for this ownership calculation?

The ownership percentages are based on 11,191,978 shares of Surrozen common stock outstanding as of January 27, 2026. This outstanding share figure was provided to the reporting persons by Surrozen and is used to calculate the 5.7% and 11.4% stakes.