CHAI CHRISTOPHER Y 4

What Happened Christopher Y. Chai, a director of Surrozen, Inc. (SRZN), was granted a derivative award of 5,550 shares on 2026-05-13. The filing reports an acquisition price of $0.00, indicating the award is a stock-based grant (derivative). The transaction is recorded as an award/grant (code A) rather than a market purchase or sale, and thus does not represent an immediate cash investment or divestment.

Key Details

• Transaction date: 2026-05-13; Form 4 filed: 2026-05-14 (timely; Form 4s are due within two business days).
• Amount: 5,550 shares reported as a derivative award; reported acquisition price: $0.00.
• Shares owned after transaction: not specified in the filing.
• Footnote: options vest and become exercisable on the anniversary of the grant date, contingent on continuous service as a director (per footnote F1).
• No 10b5-1 plan, tax withholding, or sale reported in this filing.

Context This is an equity-compensation grant to a director, a routine corporate practice to align management/directors with shareholder interests. Because the award vests over time and is recorded as a derivative, it does not reflect an immediate market buy or sell signal. Retail investors should view this as compensation-related dilution potential over the vesting period rather than a direct bullish or bearish insider trade.