| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Sutro Biopharma Inc. CFO | M | Common Stock | |||||
| Sutro Biopharma Inc. CFO | M | Restricted Stock Units (RSUs) | |||||
| Sutro Biopharma Inc. CFO | A | Restricted Stock Units (RSUs) | |||||
| Sutro Biopharma Inc. CFO | A | Stock Option (right to buy) | |||||
| Sutro Biopharma Inc. CFO | A | Stock Option (right to buy) |