| 2020-02-07 | Sale | Alector, Inc. ALEC | Chief Business Officer | 39,800 0.0528% | $35.03 | $1.39M | -50.4% | |
| 2020-02-06 | Sale | Alector, Inc. ALEC | Chief Business Officer | 200 0.0003% | $35.00 | $7,000 | -48.61% | |
| 2020-02-04 | Sale | Alector, Inc. ALEC | Chief Business Officer | 33,334 0.0282% | $19.08 | $636,013 | -40.59% | |
| 2020-01-27 | Sale | Alector, Inc. ALEC | Chief Business Officer | 28,934 0.0376% | $25.05 | $724,797 | -18.03% | |
| 2020-01-23 | Sale | Alector, Inc. ALEC | Chief Business Officer | 4,400 0.0042% | $16.68 | $73,414 | -7.09% | |
| 2019-12-12 | Sale | Alector, Inc. ALEC | Chief Business Officer | 13,620 0.0142% | $14.14 | $192,639 | +10.81% | |
| 2019-12-10 | Sale | Alector, Inc. ALEC | Chief Business Officer | 1,000 0.0011% | $14.09 | $14,085 | +12.48% | |
| 2019-12-09 | Sale | Alector, Inc. ALEC | Chief Business Officer | 4,600 0.0069% | $20.07 | $92,322 | +12.02% | |
| 2019-12-06 | Sale | Alector, Inc. ALEC | Chief Business Officer | 10,312 0.0154% | $20.02 | $206,446 | +12.25% | |
| 2019-12-05 | Sale | Alector, Inc. ALEC | Chief Business Officer | 3,000 0.0032% | $14.08 | $42,240 | +13.9% | |
| 2019-09-20 | Sale | Alector, Inc. ALEC | Chief Business Officer | 800 0.0008% | $14.08 | $11,264 | +11.35% |