X0202 SCHEDULE 13G/A 0001920938 XXXXXXXX LIVE 1 Common Stock, $0.0001 par value per share 06/30/2026 0001824893 Surrozen, Inc. 86889P208 171 Oyster Point Blvd Suite 400 South San Francisco CA 94080 Rule 13d-1(b) BRAIDWELL LP DE 0 460753.00 0 460753.00 460753.00 3.9 IA PN BRAIDWELL MANAGEMENT LLC DE 0 460753.00 0 460753.00 460753.00 3.9 OO HC ALEXANDER T. KARNAL X1 0 460753.00 0 460753.00 460753.00 3.9 IN HC BRIAN J. KREITER X1 0 460753.00 0 460753.00 460753.00 3.9 IN HC Surrozen, Inc. 171 Oyster Point Blvd, Suite 400, South San Francisco, California 94080 This filing is being jointly filed by Braidwell LP, Braidwell Management LLC, Alexander Karnal, and Brian Kreiter (the "Reporting Persons"). The business address of each Reporting Person is: 100 Washington Blvd Floor 2 Stamford, CT 06902 Braidwell LP is a limited partnership organized under the laws of the State of Delaware. Braidwell Management LLC is a limited liability company organized under the laws of the State of Delaware. Alexander Karnal and Brian Kreiter are both citizens of the United States of America. N IA HC As of June 30, 2026, each Reporting Person may be deemed to be the beneficial owner of 460,753 shares of common stock. This amount includes (i) 390,753 shares of common stock that are directly owned by Braidwell Partners Master Fund LP and (ii) 70,000 shares of common stock that Braidwell Partners Master Fund LP has the right to acquire within 60 days upon the exercise of warrants (the "Warrants"). As of June 30, 2026, each Reporting Person may be deemed to be the beneficial owner of approximately 3.9% of the shares of common stock outstanding. The percentage set forth herein is calculated based on the sum of (i) 11,610,371 shares of common stock outstanding as of May 4, 2026, as reported in the Issuer's quarterly report on Form 10-Q for the quarterly period ended March 31, 2026, filed with the Securities and Exchange Commission on May 6, 2026, and (ii) 70,000 shares of common stock that Braidwell Partners Master Fund LP has the right to acquire upon exercise of the Warrants, which shares have been added to the total shares of common stock outstanding in accordance with Rule 13d-3(d)(1)(i) under the Exchange Act. 0 460,753 0 460,753 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. BRAIDWELL LP /s/ COLIN BETTISON 08/14/2026 BRAIDWELL MANAGEMENT LLC /s/ BRIAN J. KREITER 08/14/2026 ALEXANDER T. KARNAL /s/ ALEXANDER T. KARNAL 08/14/2026 BRIAN J. KREITER /s/ BRIAN J. KREITER 08/14/2026