| 2021-12-13 | Sale | Alector, Inc. ALEC | President and COO | 75,000 0.0921% | $21.24 | $1.59M | -50.14% | |
| 2021-12-10 | Sale | Alector, Inc. ALEC | President and COO | 75,000 0.0941% | $21.76 | $1.63M | -50.26% | |
| 2021-12-09 | Sale | Alector, Inc. ALEC | President and COO | 75,000 0.0949% | $22.82 | $1.71M | -52.14% | |
| 2021-12-08 | Sale | Alector, Inc. ALEC | President and COO | 75,000 0.0927% | $22.79 | $1.71M | -53.16% |