| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ENRIGHT PATRICK G | Director | C/O ZENAS BIOPHARMA, INC., 852 WINTER ST., SUITE 250, WALTHAM | By: /s/ Jeffrey Held, Attorney-in-Fact | 2025-06-12 | 0001253886 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZBIO | Stock Option (Right to Buy) | Award | $0 | +18.5K | $0.00 | 18.5K | Jun 10, 2025 | Common Stock | 18.5K | $11.94 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The option vests as to 100% of the underlying shares of common stock on June 10, 2026, the first anniversary of the vesting commencement date, subject to continued service. |