Yang Li - 15 Dec 2025 Form 4 Insider Report for Surrozen, Inc./DE (SRZN)

Role: Exec. Vice President, Research
Signature: /s/ Charles Williams, Attorney-in-Fact for Yang Li
Issuer symbol: SRZN
Transactions as of: 15 Dec 2025
Net transactions value: +$13,511
Form type: 4
Filing time: 16 Dec 2025, 19:14:25 UTC
Previous filing: 16 Jun 2025
Next filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Li Yang	Exec. Vice President, Research	C/O SURROZEN, INC., 171 OYSTER POINT BLVD., SUITE 400, SOUTH SAN FRANCISCO	/s/ Charles Williams, Attorney-in-Fact for Yang Li	16 Dec 2025	0001990537

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SRZN	Common Stock	Award	$13,511	+1,666	+13%	$8.11	14,709	15 Dec 2025	Direct	F1
holding	SRZN	Common Stock						351	15 Dec 2025	By Daughter
holding	SRZN	Common Stock						351	15 Dec 2025	By Son

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This reporting person is voluntarily reporting these shares acquired under the Surrozen, Inc. 2021 Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).