Mary Haak-Frendscho

CIK: 0001873902

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SRZN

Surrozen, Inc./DE

Director

Discretionary Trading P&L

Holdings

Transaction History (2 total)

SRZN
Surrozen, Inc./DE
May 13, 2026
Award(A)
Director Stock Option (right to buy)
Direct
5.6K shares-
SRZN
Surrozen, Inc./DE
May 14, 2025
Award(A)
Option (right to buy)
Direct
1.3K shares-

		Type	Shares	Price		Ownership
May 13, 2026	SRZN Surrozen, Inc./DE	Award(A) Director Stock Option (right to buy)	5,550	-	-	Direct
May 14, 2025	SRZN Surrozen, Inc./DE	Award(A) Option (right to buy)	1,333	-	-	Direct

1-2 of 2 transactions

About Haak-Frendscho Mary

Haak-Frendscho Mary (SEC CIK 0001873902) files insider reports with the SEC as Director of Surrozen, Inc./DE (SRZN).

Signal8 holds 2 ownership filings by Haak-Frendscho Mary, all Form 4s, filed between May 15, 2025 and May 14, 2026. Those filings report 2 transactions, from May 14, 2025 to May 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Haak-Frendscho Mary's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Haak-Frendscho Mary

May 13, 2026: Grant or award of SRZN derivative securities (Form 4, code A).
May 14, 2025: Grant or award of SRZN derivative securities (Form 4, code A).

Other insiders filing for Surrozen, Inc./DE (SRZN)

COLUMN GROUP III GP, LP, 10% Owner
Kutzkey Tim, Director
TCG Crossover GP II, LLC, 10% Owner
Maleki Andrew Pedrum, Chief Financial Officer
Li Yang, Exec. Vice President, Research
Williams Charles O, Chief Operating Officer

How to read Form 4 transaction codes