TCG Crossover funds sell 325,000 Surrozen shares

TCG Crossover-affiliated 10% owners of Surrozen, Inc. reported sales of 325,000 shares of common stock on July 22, 2026, at $21.25 per share in transactions coded as open-market or private sales.

Rhea-AI Filing Summary

TCG Crossover-affiliated 10% owners of Surrozen, Inc. reported sales of 325,000 shares of common stock on July 22, 2026, at $21.25 per share in transactions coded as open-market or private sales. The shares were sold in two equal 162,500-share blocks held by TCG Crossover Fund II, L.P. and TCG Crossover Fund III, L.P., and the reporting persons have disgorged to Surrozen the full short-swing profits from these sales as required by Section 16(b).

Insider Trade Summary

Net Seller: 325,000 shares

Net Sell 2 txns

Insider TCG Crossover GP II, LLC, TCG Crossover Fund II, L.P., TCG Crossover GP III, LLC, TCG Crossover Fund III, L.P., Yu Chen-Ming

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner

Sold 325,000 shs ($6.91M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	162,500	$21.25	$3.45M
Sale	Common Stock F1, F3	162,500	$21.25	$3.45M

Holdings After Transaction: Common Stock — 574,047 shares (Indirect, See footnote)

Footnotes (3)

1. F1. As of the date of this filing, the Reporting Persons have disgorged to the Issuer the full amount of the short-swing profits realized from the sales reported herein, as required by Section 16(b) of the Securities Exchange Act of 1934
2. F2. These securities are held of record by TCG Crossover Fund II, L.P. (TCG Crossover II). TCG Crossover GP II, LLC (TCG Crossover GP II) is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities.
3. F3. These securities are held of record by TCG Crossover Fund III, L.P. (TCG Crossover III). TCG Crossover GP III, LLC (TCG Crossover GP III) is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities.

Key Figures

Shares sold (total): 325,000 shares Shares sold per transaction: 162,500 shares Sale price: $21.25 per share +2 more

5 metrics

Shares sold (total) 325,000 shares Aggregate Surrozen common stock sold on July 22, 2026 by TCG Crossover-affiliated entities

Shares sold per transaction 162,500 shares Each of the two reported Surrozen common stock sale transactions

Sale price $21.25 per share Per-share price for both Surrozen common stock sale transactions

Net share change -325,000 shares Net buy/sell shares across all reported Surrozen transactions

Sale transaction count 2 transactions Number of non-derivative common stock sale entries reported

Key Terms

short-swing profits, Section 16(b), indirect ownership, voting, investment, and dispositive power

4 terms

short-swing profits regulatory

"disgorged to the Issuer the full amount of the short-swing profits"

Section 16(b) regulatory

"as required by Section 16(b) of the Securities Exchange Act of 1934"

A federal rule that requires company insiders—like officers, directors and large shareholders—to return any profits made from buying and selling the company’s stock within a six-month window. It matters to investors because it discourages short-term trades that could exploit non-public information and helps protect outside shareholders by creating a simple, enforceable way to recover unfair gains, much like a rule stopping someone from flipping a limited-edition item for quick profit after getting early access.

indirect ownership financial

"ownership_type": "indirect", "ownership_code": "I""

voting, investment, and dispositive power financial

"may be deemed to have voting, investment, and dispositive power with respect"

FAQ

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

What insider sales in Surrozen (SRZN) did TCG Crossover report?

TCG Crossover-affiliated reporting persons disclosed sales of 325,000 Surrozen common shares in total. The transactions involved two equal blocks of 162,500 shares each, reported as sales of common stock held indirectly through TCG Crossover Fund II and Fund III.

On what date and at what price were the Surrozen (SRZN) shares sold?

Both reported Surrozen transactions occurred on July 22, 2026 at a price of $21.25 per share. Each transaction involved 162,500 common shares, with identical per‑share pricing and coding as sale transactions in open-market or private trades.

How many Surrozen (SRZN) shares did each TCG Crossover fund sell?

Each fund-related transaction covered 162,500 Surrozen common shares. One block was held of record by TCG Crossover Fund II, L.P. and the other by TCG Crossover Fund III, L.P., for a combined reported sale of 325,000 shares.

Were short-swing profits from the Surrozen (SRZN) sales retained by TCG Crossover?

No. The reporting persons state they have disgorged to Surrozen the full amount of short-swing profits realized from these sales, as required under Section 16(b) of the Securities Exchange Act of 1934.

Were the Surrozen (SRZN) sales reported as under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirming a trading plan for these transactions. The sales are reported simply as open-market or private transactions in common stock, without plan-related coding in the data provided.

Do individuals or entities hold the Surrozen (SRZN) shares sold in these transactions?

The sold shares were held of record by TCG Crossover Fund II, L.P. and TCG Crossover Fund III, L.P.. Their general partners and managing member Chen Yu may be deemed to share voting, investment, and dispositive power as described in the footnotes.

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

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Available on EDGAR 07/24/2026 - 09:00 PM Accepted by SEC EDGAR 07/24/2026 - 09:00 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

X

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^*

TCG Crossover GP II, LLC

(Last) (First) (Middle)

245 LYTTON AVE., SUITE 350

(Street)

PALO ALTO CALIFORNIA 94301

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/22/2026

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

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

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

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
Common Stock	07/22/2026		S(1)		162,500	D	$21.25	574,054	I	See footnote(2)
Common Stock	07/22/2026		S(1)		162,500	D	$21.25	574,047	I	See footnote(3)

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

1. Name and Address of Reporting Person^*

TCG Crossover GP II, LLC

(Last) (First) (Middle)

245 LYTTON AVE., SUITE 350

(Street)

PALO ALTO CALIFORNIA 94301

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

TCG Crossover Fund II, L.P.

(Last) (First) (Middle)

245 LYTTON AVE., SUITE 350

(Street)

PALO ALTO CALIFORNIA 94301

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

TCG Crossover GP III, LLC

(Last) (First) (Middle)

245 LYTTON AVE., SUITE 350

(Street)

PALO ALTO CALIFORNIA 94301

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

TCG Crossover Fund III, L.P.

(Last) (First) (Middle)

245 LYTTON AVE., SUITE 350

(Street)

PALO ALTO CALIFORNIA 94301

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Yu Chen-Ming

(Last) (First) (Middle)

245 LYTTON AVE., SUITE 350

(Street)

PALO ALTO CALIFORNIA 94301

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. As of the date of this filing, the Reporting Persons have disgorged to the Issuer the full amount of the short-swing profits realized from the sales reported herein, as required by Section 16(b) of the Securities Exchange Act of 1934

2. These securities are held of record by TCG Crossover Fund II, L.P. (TCG Crossover II). TCG Crossover GP II, LLC (TCG Crossover GP II) is the general partner of TCG Crossover II and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP II and may be deemed to share voting, investment and dispositive power with respect to these securities.

3. These securities are held of record by TCG Crossover Fund III, L.P. (TCG Crossover III). TCG Crossover GP III, LLC (TCG Crossover GP III) is the general partner of TCG Crossover III and may be deemed to have voting, investment, and dispositive power with respect to these securities. Chen Yu is the sole managing member of TCG Crossover GP III and may be deemed to share voting, investment and dispositive power with respect to these securities.

	/s/ TCG Crossover GP II, LLC /s/ Craig Skaling, Authorized Signatory	07/24/2026
	/s/ TCG Crossover Fund II, L.P. /s/ Craig Skaling, Authorized Signatory	07/24/2026
	/s/ TCG Crossover GP III, LLC /s/ Craig Skaling, Authorized Signatory	07/24/2026
	/s/ TCG Crossover Fund III, L.P. /s/ Craig Skaling, Authorized Signatory	07/24/2026
	/s/ Craig Skaling, as Attorney-in-Fact for Chen Yu	07/24/2026
	** 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.
* Form 4: SEC 1474 (03-26)