| 2021-08-09 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 22,950 0.0287% | $27.18 | $623,767 | -40.51% | |
| 2021-07-07 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 29,749 0.036% | $38.70 | $1.15M | -52.09% | |
| 2021-07-06 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 30,000 0.035% | $37.31 | $1.12M | -50.81% | |
| 2021-07-02 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 30,000 0.0328% | $31.14 | $934,200 | -43.68% | |
| 2021-07-01 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 26,726 0.0327% | $22.23 | $594,124 | -11.31% | |
| 2021-06-16 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 4,600 0.0057% | $22.18 | $102,049 | -7% | |
| 2021-06-15 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 30,000 0.0369% | $22.07 | $661,953 | -6.94% | |
| 2021-06-08 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 19,175 0.0243% | $19.18 | $367,745 | +10.7% | |
| 2021-05-21 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 14,975 0.0188% | $18.14 | $271,681 | +16.01% | |
| 2021-05-18 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 8,400 0.0108% | $18.04 | $151,572 | +19.42% | |
| 2021-04-07 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 44,600 0.0558% | $19.20 | $856,101 | +9.23% | |
| 2021-03-23 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 27,600 0.039% | $22.21 | $612,996 | +6.32% | |
| 2021-03-22 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 60,000 0.0781% | $22.98 | $1.38M | -5.4% | |
| 2021-03-09 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 38,350 0.0483% | $18.12 | $694,810 | +16.16% | |
| 2021-02-09 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 38,350 0.0483% | $20.81 | $798,110 | +1.25% | |
| 2021-01-26 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 54,616 0.0708% | $18.00 | $983,088 | +20.46% | |
| 2021-01-25 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 60,000 0.075% | $18.01 | $1.08M | +16.14% | |
| 2021-01-20 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 17,134 0.0223% | $18.00 | $308,422 | +20.87% | |
| 2021-01-19 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 60,000 0.0764% | $18.12 | $1.09M | +17.57% | |
| 2020-07-15 | Sale | Alector, Inc. ALEC | Chief Medical Officer | 20,000 0.0256% | $22.96 | $459,284 | -26.98% |