| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Alector Inc. Chief Executive Officer | A | Common Stock | |||||
| Alector Inc. Chief Executive Officer | A | Employee Stock Option (right to buy) | |||||
| Alector Inc. Chief Executive Officer | D | Employee Stock Option (right to buy) | |||||
| Alector Inc. Chief Executive Officer | S | Common Stock | |||||
| Alector Inc. Chief Executive Officer | G | Common Stock |