COLUMN GROUP III GP, LP - 04 Dec 2025 Form 4 Insider Report for Surrozen, Inc./DE (SRZN)

Role
10%+ Owner
Signature
/s/ The Column Group III GP, LP /s/ James Evangelista, Attorney-in-Fact
Issuer symbol
SRZN
Transactions as of
04 Dec 2025
Transactions value $
$694,850
Form type
4
Filing time
08 Dec 2025, 17:04:34 UTC
Previous filing
17 Nov 2025
SEC
View on sec.gov

Reporting Owners (6)

Name Relationship Address Signature Signature date CIK
COLUMN GROUP III GP, LP 10%+ Owner 1 LETTERMAN DR., BLDG D, SUITE DM-900, SAN FRANCISCO /s/ The Column Group III GP, LP /s/ James Evangelista, Attorney-in-Fact 08 Dec 2025 0001790965
COLUMN GROUP III-A, LP 10%+ Owner 1 LETTERMAN DR., BLDG D, SUITE DM-900, SAN FRANCISCO /s/ The Column Group III-A, LP. by The Column Group III GP, LP, its general partner /s/ James Evangelista, Attorney-in-Fact 08 Dec 2025 0001668085
COLUMN GROUP III, LP 10%+ Owner 1 LETTERMAN DR., BLDG D, SUITE DM-900, SAN FRANCISCO /s/ The Column Group III, LP by The Column Group III GP, LP, its general partner /s/ James Evangelista, Attorney-in-Fact 08 Dec 2025 0001668159
Column Group Opportunity III, LP 10%+ Owner 1 LETTERMAN DR., BLDG D, SUITE DM-900, SAN FRANCISCO /s/ The Column Group Opportunity III, LP /s/ James Evangelista, Attorney-in-Fact 08 Dec 2025 0001931825
Column Group Opportunity III GP, LP 10%+ Owner 1 LETTERMAN DR., BLDG D, SUITE DM-900, SAN FRANCISCO /s/ The Column Group Opportunity III GP, LP. by /s/ James Evangelista, Attorney-in-Fact 08 Dec 2025 0001932874
TCG Opportunity III GP, LLC 10%+ Owner 1 LETTERMAN DR., BLDG D, SUITE DM-900, SAN FRANCISCO /s/ TCG Opportunity III GP, LLC by /s/ James Evangelista, Attorney-in-Fact 08 Dec 2025 0001932445

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SRZN Common Stock Purchase $42.9K +2.48K +0.29% $17.35 855K 04 Dec 2025 By The Column Group III, LP F1
transaction SRZN Common Stock Purchase $283K +14.5K +1.7% $19.54 869K 05 Dec 2025 By The Column Group III, LP F1
transaction SRZN Common Stock Purchase $48.4K +2.79K +0.29% $17.35 966K 04 Dec 2025 By The Column Group III-A, LP F2
transaction SRZN Common Stock Purchase $320K +16.4K +1.7% $19.54 982K 05 Dec 2025 By The Column Group III-A, LP F2
holding SRZN Common Stock 345K 04 Dec 2025 By The Column Group Opportunity III, LP F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The securities are directly held by The Column Group III, LP ("TCG III LP"). The Column Group III GP, LP ("TCG III GP") is the general partner of TCG III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. The managing partners of TCG III GP are David Goeddel, Peter Svennilson and Tim Kutzkey, a member of the Issuer's board of directors (collectively, the "Managing Partners"). The Managing Partners may be deemed to share voting and investment power with respect to such securities. TCG III GP and each of the Managing Partners disclaim beneficial ownership of these securities, except to the extent of their respective pecuniary interest in such securities.
F2 The securities are directly held by The Column Group III-A, LP ("TCG III-A LP"). TCG III GP 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. The managing partners of TCG III GP are the Managing Partners. The Managing Partners may be deemed to share voting and investment power with respect to such securities. TCG III GP and each of the Managing Partners disclaim beneficial ownership of these securities, except to the extent of their respective pecuniary interest in such securities.
F3 The securities are directly held by The Column Group Opportunity III, LP ("TCG Opportunity III LP"). The Column Group Opportunity III GP, LP ("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 ("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. The managing members of TCG Opportunity III GP LLC are the Managing Partners. TCG Opportunity III GP LP, TCG Opportunity III GP LLC and each of the Managing Partners disclaim beneficial ownership of these securities, except to the extent of their respective pecuniary interest in such securities.