Surrozen, Inc.
35.10%
3,824,612
1824893
86889P208
Jan 19, 2026
Jan 22, 2026, 06:55 PM
Reporting Persons (8)
This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.
| Name | Type | % of Class | Aggregate | Sole Voting | Shared Voting |
|---|---|---|---|---|---|
| Tim Kutzkey | Individual | 35.10% | 3,824,612 | 0 | 3,824,612 |
| Peter Svennilson | Individual | 35.10% | 3,824,612 | 0 | 3,824,612 |
| The Column Group III GP, LP | Partnership | 28.60% | 2,962,544 | 0 | 2,962,544 |
| The Column Group III-A, LP | Partnership | 15.90% | 1,571,204 | 0 | 1,571,204 |
| The Column Group III, LP | Partnership | 14.20% | 1,391,340 | 0 | 1,391,340 |
| The Column Group Opportunity III, LP | Partnership | 8.80% | 862,068 | 0 | 862,068 |
| The Column Group Opportunity III GP, LP | Partnership | 8.80% | 862,068 | 0 | 862,068 |
| TCG Opportunity III GP, LLC | Other | 8.80% | 862,068 | 0 | 862,068 |
Disclosure Items (7)
Common Stock, $0.0001 par value per share
Surrozen, Inc.
171 Oyster Point Blvd., Suite 400, South San Francisco, CA, 94080
This Statement is being filed by The Column Group III, LP (TCG III LP), The Column Group III-A, LP (TCG III-A LP), The Column Group III GP, LP (TCG III GP LP), The Column Group Opportunity III, LP (TCG Opportunity III LP), The Column Group Opportunity III GP, LP (TCG Opportunity III GP LP), TCG Opportunity III GP, LLC (TCG Opportunity III GP LLC, together with TCG III LP, TCG III-A LP, TCG III GP LP, TCG Opportunity III LP, and TCG Opportunity III GP LP, the Reporting Entities), Tim Kutzkey, a member of the Issuer's board of directors and Peter Svennilson. The Reporting Entities, Mr. Svennilson and Dr. Kutzkey are collectively referred to as the Reporting Persons. Peter Svennilson has been added to this Statement as a Reporting Person as a result of the retirement of a managing partner of TCG III GP LP and a managing member of TCG Opportunity III GP LLC. 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 hereto as Exhibit 1. 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, other than those securities reported herein as being held directly by such Reporting Person.
The address of the principal offices of each Reporting Entity 1 Letterman Drive, Building D, Suite M-900, San Francisco, CA 94129.
Each of TCG III LP, TCG III-A LP and TCG Opportunity III LP is a venture capital investment entity. TCG III GP LP is the general partner of each of TCG III LP and TCG III-A LP. TCG Opportunity III GP LP is the general partner of 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. Dr. Kutzkey and Peter Svennilson are the managing partners of TCG III GP LP and the managing members of TCG Opportunity III GP LLC, and are each engaged through venture capital investment entities in acquiring, holding and disposing of interests in various companies for investment purposes.
None of the Reporting Persons are, nor during the last five years have been, a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
Each of TCG III GP LP, TCG III LP, TCG III-A LP, TCG Opportunity III LP and TCG Opportunity III GP LP is a limited partnership organized under the laws of the State of Delaware. TCG Opportunity III GP LLC is a limited company organized under the laws of the State of Delaware. Dr. Kutzkey is a citizen of the United States of America. Mr. Svennilson is a citizen of Sweden.
Item 3 of the Original Schedule 13D is hereby amended by adding the following as the last paragraphs thereof: On November 13, 2025, TCG III LP purchased 148,150 shares of Common Stock for a purchase price of $12.65 per share or $1,874,097.50 in the aggregate. On November 13, 2025, TCG III-A LP purchased 167,307 shares of Common Stock for a purchase price of $12.65 per share or $2,116,433.55 in the aggregate. On December 4, 2025, TCG III LP purchased 2,475 shares of Common Stock for a purchase price of $17.347 per share or $42,933.83 in the aggregate. On December 4, 2025, TCG III-A LP purchased 2,791 shares of Common Stock for a purchase price of $17.347 per share or $48,415.48 in the aggregate. On December 5, 2025, TCG III LP purchased 14,503 shares of Common Stock for a purchase price of $19.5409 per share or $283,401.67 in the aggregate. On December 5, 2025, TCG III-A LP purchased 16,381 shares of Common Stock for a purchase price of $19.5409 per share or $320,099.48 in the aggregate. On January 6, 2026, TCG III LP purchased 7,097 shares of Common Stock for a purchase price of $19.8872 per share or $141,139.46 in the aggregate. On January 6, 2026, TCG III-A LP purchased 8,003 shares of Common Stock for a purchase price of $19.8872 per share or $159,157.26 in the aggregate. On January 13, 2026, TCG III LP purchased 5,861 shares of Common Stock for a purchase price of $19.8041 per share or $116,071.83 in the aggregate. On January 13, 2026, TCG III-A LP purchased 6,609 shares of Common Stock for a purchase price of $19.8041 per share or $130,885.30 in the aggregate. On January 14, 2026, TCG III LP purchased 2,596 shares of Common Stock for a purchase price of $19.9883 per share or $51,889.63 in the aggregate. On January 14, 2026, TCG III-A LP purchased 2,927 shares of Common Stock for a purchase price of $19.9883 per share or $58,505.75 in the aggregate. On January 15, 2026, TCG III LP purchased 5,590 shares of Common Stock for a purchase price of $19.889 per share or $111,179.51 in the aggregate. On January 15, 2026, TCG III-A LP purchased 6,303 shares of Common Stock for a purchase price of $19.889 per share or $125,360.37 in the aggregate. On January 16, 2026, TCG III LP purchased 1,204 shares of Common Stock for a purchase price of $20.00 per share or $24,080.00 in the aggregate. On January 16, 2026, TCG III-A LP purchased 1,358 shares of Common Stock for a purchase price of $20.00 per share or $27,160.00 in the aggregate. On January 20, 2026, TCG III LP purchased 8,484 shares of Common Stock for a purchase price of $19.5999 per share or $166,285.55 in the aggregate. On January 20, 2026, TCG III-A LP purchased 9,568 shares of Common Stock for a purchase price of $19.5999 per share or $187,531.84 in the aggregate.
See Items 7-11 of the cover pages of this Amendment No. 5.
See Items 7-11 of the cover pages of this Amendment No. 5.
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.
Under certain circumstances set forth in the limited partnership agreements of TCG III LP, TCG III-A LP and TCG Opportunity III LP, the general partner and limited partners of each of TCG III LP, TCG III-A LP and TCG Opportunity III LP may be deemed to have the right to receive dividends from, or the proceeds from, the sale of shares of the Issuer owned by such entity of which they are a partner.
Not applicable.
The information set forth in Items 3 and 4 of this Statement is incorporated herein by reference.
Exhibit 1: Joint Filing Agreement, dated January 22, 2026, by and among the Reporting Persons (filed herewith).