# EDGAR Filing Document

**Accession Number:** 0001824893
**File Stem:** 0001193125-26-019817
**Filing Date:** 2026-1
**Character Count:** 39971
**Document Hash:** c4f3debf5dcc5a44982a885bbd64a421
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-019817.hdr.sgml**: 20260122

**ACCESSION NUMBER**: 0001193125-26-019817

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260122

**DATE AS OF CHANGE**: 20260122

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Surrozen, Inc./DE
- **CENTRAL INDEX KEY:** 0001824893
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 301374889
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91867
- **FILM NUMBER:** 26552876

**BUSINESS ADDRESS:**
- **STREET 1:** 171 OYSTER POINT BLVD
- **STREET 2:** SUITE 400
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
- **BUSINESS PHONE:** 650-475-2820

**MAIL ADDRESS:**
- **STREET 1:** 171 OYSTER POINT BLVD
- **STREET 2:** SUITE 400
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Consonance-HFW Acquisition Corp.
- **DATE OF NAME CHANGE:** 20200915
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMN GROUP III GP, LP
- **CENTRAL INDEX KEY:** 0001790965

**ORGANIZATION NAME:**
- **EIN:** 817124707
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 1700 OWENS STREET
- **STREET 2:** SUITE 500
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94158
- **BUSINESS PHONE:** 4158652050

**MAIL ADDRESS:**
- **STREET 1:** 1700 OWENS STREET
- **STREET 2:** SUITE 500
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94158

### Attached PDF Documents

**Attachment 1:** `ck0000000000-ex99_1.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**Surrozen, Inc.**

*(Name of Issuer)*

**Common Stock, $0.0001 par value per share**

*(Title of Class of Securities)*

**86889P208**

*(CUSIP Number)*

**James Evangelista, CFO**<br>The Column Group III, LP<br>1 Letterman Drive, Building D, Suite M-9<br>San Francisco CA 94129<br>(415) 865-2050

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**01/20/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**The Column Group III GP, LP** | Name of reporting person<br>**The Column Group III GP, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**2962544.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**2962544.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**2962544.00** | Aggregate amount beneficially owned by each reporting person<br>**2962544.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**28.6%** | Percent of class represented by amount in Row (11)<br>**28.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** Consists of (i) 900,292 shares of Common Stock held of record by TCG III LP (as defined in Item 2(a) below), (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in its Current Report on Form 8-K filed with the Commission on March 28, 2025 (the Form 8-K), (iii) warrants to purchase 5,218 shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement, (iv) 1,016,658 shares of Common Stock held of record by TCG III-A LP (as defined in Item 2(a) below), (v) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K and (vi) warrants to purchase 5,893 shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement. TCG III GP LP is the general partner of each of TCG III LP and TCG III-A LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing partners of TCG III GP LP and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes (a) warrants to purchase 594,625 shares of Common Stock held by TCG III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations and (b) warrants to purchase 671,518 shares of Common Stock held by TCG III-A LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 10,368,376 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement, plus (iii) 5,218 shares underlying warrants to purchase shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement, plus (iv) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement, plus (v) 5,893 shares underlying warrants to purchase shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**The Column Group III, LP** | Name of reporting person<br>**The Column Group III, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1391340.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1391340.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1391340.00** | Aggregate amount beneficially owned by each reporting person<br>**1391340.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**14.2%** | Percent of class represented by amount in Row (11)<br>**14.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** Consists of (i) 900,292 shares of Common Stock held of record by TCG III LP, (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K and (iii) warrants to purchase 5,218 shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement. TCG III GP LP is the general partner of TCG III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing partners of TCG III GP LP and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 594,625 shares of Common Stock held by TCG III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 9,813,830 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement,plus (iii) 5,218 shares underlying warrants to purchase shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**The Column Group III-A, LP** | Name of reporting person<br>**The Column Group III-A, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1571204.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1571204.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1571204.00** | Aggregate amount beneficially owned by each reporting person<br>**1571204.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**15.9%** | Percent of class represented by amount in Row (11)<br>**15.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** Consists of (i) 1,016,658 shares of Common Stock held of record by TCG III-A LP, (ii) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K and (iii) warrants to purchase 5,893 shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement. TCG III GP LP is the general partner of TCG III-A LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing partners of TCG III GP LP and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 671,518 shares of Common Stock held by TCG III-A LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 9,877,328 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement, plus (iiI) 5,893 shares underlying warrants to purchase shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**The Column Group Opportunity III, LP** | Name of reporting person<br>**The Column Group Opportunity III, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**862068.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**862068.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**862068.00** | Aggregate amount beneficially owned by each reporting person<br>**862068.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**8.8%** | Percent of class represented by amount in Row (11)<br>**8.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** Consists of (i) 344,827 shares of Common Stock held of record by TCG Opportunity III LP (as defined in Item 2(a)) and (ii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K. TCG Opportunity III GP LP (as defined in Item 2(a)) is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC (as defined in Item 2(a)) is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 431,034 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 9,840,023 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**The Column Group Opportunity III GP, LP** | Name of reporting person<br>**The Column Group Opportunity III GP, LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**862068.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**862068.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**862068.00** | Aggregate amount beneficially owned by each reporting person<br>**862068.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**8.8%** | Percent of class represented by amount in Row (11)<br>**8.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

**Comment for Reporting Person:** Consists of (i) 344,827 shares of Common Stock held of record by TCG Opportunity III LP and (ii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 431,034 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 9,840,023 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**TCG Opportunity III GP, LLC** | Name of reporting person<br>**TCG Opportunity III GP, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**862068.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**862068.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**862068.00** | Aggregate amount beneficially owned by each reporting person<br>**862068.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**8.8%** | Percent of class represented by amount in Row (11)<br>**8.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** Consists of (i) 344,827 shares of Common Stock held of record by TCG Opportunity III LP and (ii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes warrants to purchase 431,034 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 9,840,023 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Tim Kutzkey** | Name of reporting person<br>**Tim Kutzkey** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**3824612.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**3824612.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3824612.00** | Aggregate amount beneficially owned by each reporting person<br>**3824612.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**35.1%** | Percent of class represented by amount in Row (11)<br>**35.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** Consists of (i) 900,292 shares of Common Stock held of record by TCG III LP, (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K, (iii) warrants to purchase 5,218 shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement, (iv) 1,016,658 shares of Common Stock held of record by TCG III-A LP, (v) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K, (vi) warrants to purchase 5,893 shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement, (vii) 344,827 shares of Common Stock held of record by TCG Opportunity III LP and (viii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K. TCG III GP LP is the general partner of each of TCG III LP and TCG III-A LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to the securities held by TCG Opportunity III LP. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to the securities held by TCG Opportunity III LP. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing partners of TCG III GP LP and the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes (a) warrants to purchase 594,625 shares of Common Stock held by TCG III, LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations, (b) warrants to purchase 671,518 shares of Common Stock held by TCG III-A LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations and (c) 431,034 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 10,885,617 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement, plus (iii) 5,218 shares underlying warrants to purchase shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement, plus (iv) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement, plus (v) 5,893 shares underlying warrants to purchase shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement, plus (vi) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement.

| **CUSIP No.** | **86889P208** |

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| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Peter Svennilson** | Name of reporting person<br>**Peter Svennilson** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**V7** | Citizenship or place of organization<br>**V7** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**3824612.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**3824612.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3824612.00** | Aggregate amount beneficially owned by each reporting person<br>**3824612.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**35.1%** | Percent of class represented by amount in Row (11)<br>**35.1%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** Consists of (i) 900,292 shares of Common Stock held of record by TCG III LP, (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K, (iii) warrants to purchase 5,218 shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement, (iv) 1,016,658 shares of Common Stock held of record by TCG III-A LP, (v) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K, (vi) warrants to purchase 5,893 shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement, (vii) 344,827 shares of Common Stock held of record by TCG Opportunity III LP and (viii) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement in the second tranche of the Issuer's private placement transaction as disclosed by the Issuer in the Form 8-K. TCG III GP LP is the general partner of each of TCG III LP and TCG III-A LP and may be deemed to have voting, investment and dispositive power with respect to these securities. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to the securities held by TCG Opportunity III LP. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP and may be deemed to have voting, investment and dispositive power with respect to the securities held by TCG Opportunity III LP. Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors, are the managing partners of TCG III GP LP and the managing members of TCG Opportunity III GP LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities. Excludes (a) warrants to purchase 594,625 shares of Common Stock held by TCG III, LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations, (b) warrants to purchase 671,518 shares of Common Stock held by TCG III-A LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations and (c) 431,034 shares of Common Stock held by TCG Opportunity III LP which are not exercisable within 60 days of this Statement due to beneficial ownership limitations.

Based on 10,885,617 shares outstanding, comprised of (i) 9,322,782 shares of Common Stock outstanding as of November 17, 2025, as provided by the Issuer to the Reporting Persons, plus (ii) 485,830 shares of Common Stock which TCG III LP has the right to acquire within 60 days of this Statement, plus (iii) 5,218 shares underlying warrants to purchase shares of Common Stock held by TCG III LP which are exercisable within 60 days of this Statement, plus (iv) 548,653 shares of Common Stock which TCG III-A LP has the right to acquire within 60 days of this Statement, plus (v) 5,893 shares underlying warrants to purchase shares of Common Stock held by TCG III-A LP which are exercisable within 60 days of this Statement, plus (vi) 517,241 shares of Common Stock which TCG Opportunity III LP has the right to acquire within 60 days of this Statement.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.0001 par value per share

**(b) Name of Issuer:**
Surrozen, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
171 Oyster Point Blvd., Suite 400, South San Francisco, CA, 94080

Explanatory Note:

This Amendment No. 5 (this Amendment No. 5) supplements and amends the Schedule 13D relating to the Common Stock of the Issuer that was filed with the Commission on August 23, 2021, as amended by Amendment No. 1 that was filed with the Commission on February 13, 2023, by Amendment No. 2 that was filed with the Commission on April 8, 2024, by Amendment No. 3 that was filed with the Commission on April 17, 2024 and Amendment No. 4 that was filed with the Commision on March 28, 2025 (collectively, the Original Schedule 13D).  This Amendment No. 5 is being filed to report the purchases by the Reporting Persons of certain securities of the Issuer as set forth in Item 3 of this Statement. Only those items that are reported are hereby amended; all other items reported in the Original Schedule 13D remain unchanged. Capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Original Schedule 13D.

**Item 4. Purpose of Transaction**

The information set forth in Item 4 of the Original Schedule 13D is incorporated herein by reference.

**Item 5. Interest in Securities of the Issuer**

**(a)**
See Items 7-11 of the cover pages of this Amendment No. 5.

**(b)**
See Items 7-11 of the cover pages of this Amendment No. 5.

**(c)**
Except as reported in this Statement, none of the Reporting Persons has affected any transactions in the Issuer's securities within the past 60 days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

The information set forth in Items 3 and 4 of this Statement is incorporated herein by reference.

### 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.

**Reporting Person:** The Column Group III GP, LP

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** The Column Group III, LP

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** The Column Group III-A, LP

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** The Column Group Opportunity III, LP

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** The Column Group Opportunity III GP, LP

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** TCG Opportunity III GP, LLC

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** Tim Kutzkey

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026

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.

**Reporting Person:** Peter Svennilson

**Signature:** /s/ James Evangelista

**Name/Title:** James Evangelista, Attorney-in-Fact

**Date:** 01/22/2026