| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gover Justin D. | Director | C/O DESIGN THERAPEUTICS, INC., 6005 HIDDEN VALLEY ROAD, SUITE 110, CARLSBAD | /s/ Mustapha Parekh, Attorney-in-Fact | 2025-09-10 | 0001754129 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DSGN | Stock option (right to buy) | Award | $0 | +30K | $0.00 | 30K | Sep 9, 2025 | Common Stock | 30K | $6.64 | Direct | F1 | |
| transaction | DSGN | Stock option (right to buy) | Award | $0 | +15.8K | $0.00 | 15.8K | Sep 9, 2025 | Common Stock | 15.8K | $6.64 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | The shares subject to the option will vest in equal monthly installments over 36 months following September 9, 2025. |
| F2 | The shares subject to the option will vest in equal monthly installments over 12 months following September 9, 2025. |