SCHEDULE 13G

Surrozen, Inc.

Common Stock, $0.0001 par value per share · CUSIP: 86889P208

Event date: 2025-12-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• BRAIDWELL LP

  Shares: 470,000 · Class: 5.5%

• BRAIDWELL MANAGEMENT LLC

  Shares: 470,000 · Class: 5.5%

• ALEXANDER T. KARNAL

  Shares: 470,000 · Class: 5.5%

• BRIAN J. KREITER

  Shares: 470,000 · Class: 5.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.