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

Quoteable Key Fact

"COLUMN GROUP III GP, LP disclosed 35% ownership in Surrozen, Inc. Common Stock, $0.0001 par value per share (SRZN) on 20 Jan 2026."

Quick Takeaways

  • COLUMN GROUP III GP, LP filed SCHEDULE 13D/A for Surrozen, Inc. Common Stock, $0.0001 par value per share (SRZN).
  • Disclosed ownership: 35%.
  • Date of event: 20 Jan 2026.

What Changed

  • Previous schedule filing date: 28 Mar 2025.
  • Current filing was accepted on 22 Jan 2026, 18:55.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

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