Yang Li - 01 May 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: 01 May 2025
Net transactions value: $0
Form type: 4
Filing time: 05 May 2025, 16:26:03 UTC
Previous filing: 22 Jan 2025
Next filing: 16 Jun 2025
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	05 May 2025	0001990537

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SRZN	Option (right to buy)	Award	$0	+26,250		$0.000000	26,250	01 May 2025	Common Stock	26,250	$10.48	Direct	F1
transaction	SRZN	Restricted Stock Unit	Award	$0	+8,750		$0.000000	8,750	01 May 2025	Common Stock	8,750		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	The shares subject to the option award vest over a four-year period in 48 equal monthly installments measured from grant date, subject to the reporting person's continued service through the applicable vesting date.
F2	Each restricted stock unit, or RSU, represents a contingent right to receive one share of the Issuer's common stock.
F3	The shares subject to the RSU award vest over a two-year period as to 50% of such shares on each of the first and second annual anniversary of the grant date, subject to the reporting person's continued service through the applicable vesting date.