Surrozen COO granted 500 stock options

Surrozen, Inc. reported that its Chief Operating Officer, Charles O. Williams, received an employee stock option grant.

Rhea-AI Filing Summary

Surrozen, Inc. reported that its Chief Operating Officer, Charles O. Williams, received an employee stock option grant. On 01/23/2026, he was awarded options to purchase 500 shares of Surrozen common stock at an exercise price of $19.595 per share. These options expire on 01/22/2036 if not exercised.

The 500 options vest over four years in 48 equal monthly installments starting from the grant date, and are held directly by the executive. After this grant, he beneficially owns 500 derivative securities linked to Surrozen common stock.

Insider Trade Summary

Grant/Award: 500 shares

Grant/Award 1 txn

Insider Williams Charles O

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (right to buy)	500	$0.00	$0.00

Holdings After Transaction: Employee Stock Option (right to buy) — 500 contracts (Direct)

Footnotes (1)

1. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Surrozen (SRZN) report for Charles O. Williams?

Surrozen reported that Chief Operating Officer Charles O. Williams received an employee stock option grant for 500 options on 01/23/2026.

What is the exercise price of the new Surrozen (SRZN) stock options granted to the COO?

The employee stock options granted to the COO have an exercise price of $19.595 per share of Surrozen common stock.

How many Surrozen (SRZN) options does the COO own after this Form 4 transaction?

Following the reported grant, the Chief Operating Officer beneficially owns 500 derivative securities (stock options) linked to Surrozen common stock.

When do the Surrozen (SRZN) COO’s new stock options vest?

The options vest over a four-year period in 48 equal monthly installments starting from the 01/23/2026 grant date, subject to continued service.

When do the newly granted Surrozen (SRZN) stock options to the COO expire?

The employee stock options granted on 01/23/2026 have an expiration date of 01/22/2036.

Is the Surrozen (SRZN) COO’s Form 4 transaction direct or indirect ownership?

The Form 4 shows the Chief Operating Officer holds the 500 stock options as direct (D) ownership.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/26/2026 - 04:39 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Williams Charles O

(Last) (First) (Middle)

C/O SURROZEN, INC.

171 OYSTER POINT BLVD., SUITE 400

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Surrozen, Inc./DE [ SRZN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	$19.595	01/23/2026		A		500		(1)	01/22/2036	Common Stock	500	$0	500	D

Explanation of Responses:

1. 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.

	/s/Charles Williams	01/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.