RA CAPITAL MANAGEMENT, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for Surrozen, Inc. Common Stock, $0.0001 par value per share (SRZN)

Key filing fact

RA CAPITAL MANAGEMENT, L.P. disclosed 9.2% ownership in Surrozen, Inc. Common Stock, $0.0001 par value per share (SRZN) on 31 Dec 2025.

Key facts

RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G/A for Surrozen, Inc. Common Stock, $0.0001 par value per share (SRZN).
Disclosed ownership: 9.2%.
Date of event: 31 Dec 2025.

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.

Backed by Schedule 13D/13G

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

Reporting persons

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares Owned	shared voting power	Signature	Title
RA Capital Management, L.P.	9.2%	871,731	871,731	/s/ Peter Kolchinsky	By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky	9.2%	871,731	871,731	/s/ Peter Kolchinsky	Peter Kolchinsky
Rajeev Shah	9.2%	871,731	871,731	/s/ Rajeev Shah	Rajeev Shah
RA Capital Healthcare Fund, L.P.	9.2%	871,731	871,731	/s/ Peter Kolchinsky	By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager

CIK / CUSIP context first

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