COLUMN GROUP III GP, LP - 20 Jan 2026 SCHEDULE 13D/A Report for Surrozen, Inc. Common Stock, $0.0001 par value per share (SRZN)

Filing Manager
COLUMN GROUP III GP, LP
Reporting Manager
Tim Kutzkey
Security
Surrozen, Inc. Common Stock, $0.0001 par value per share
Symbol
SRZN
Shares outstanding
10,896,330 shares
Disclosed Ownership
3,824,612 shares
Ownership
35%
Form type
SCHEDULE 13D/A
Filing time
22 Jan 2026, 18:55:10 UTC
Date of event
20 Jan 2026
Previous filing
28 Mar 2025
SEC
View on sec.gov

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
The Column Group III GP, LP 29% 2,962,544 0 2,962,544 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001790965
The Column Group III, LP 14% 1,391,340 0 1,391,340 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001668159
The Column Group III-A, LP 16% 1,571,204 0 1,571,204 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001668085
The Column Group Opportunity III, LP 8.8% 862,068 0 862,068 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001931825
The Column Group Opportunity III GP, LP 8.8% 862,068 0 862,068 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001932874
TCG Opportunity III GP, LLC 8.8% 862,068 0 862,068 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001932445
Tim Kutzkey 35% 3,824,612 0 3,824,612 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001614186
Peter Svennilson 35% 3,824,612 0 3,824,612 /s/ James Evangelista James Evangelista, Attorney-in-Fact 0001606074