Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
1.220
+0.010 (0.83%)
At close: Dec 5, 2025, 4:00 PM EST
1.240
+0.020 (1.64%)
After-hours: Dec 5, 2025, 7:36 PM EST
Alector Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 1.21 | 1.26 | 1.19 | 1.22 | 1.22 | 0.83% | 1,355,434 |
| Dec 4, 2025 | 1.12 | 1.25 | 1.11 | 1.21 | 1.21 | 6.14% | 2,787,796 |
| Dec 3, 2025 | 1.14 | 1.16 | 1.09 | 1.14 | 1.14 | - | 2,416,719 |
| Dec 2, 2025 | 1.23 | 1.24 | 1.13 | 1.14 | 1.14 | -7.32% | 1,382,853 |
| Dec 1, 2025 | 1.30 | 1.32 | 1.22 | 1.23 | 1.23 | -7.52% | 1,215,407 |
| Nov 28, 2025 | 1.36 | 1.36 | 1.30 | 1.33 | 1.33 | -1.48% | 569,533 |
| Nov 26, 2025 | 1.27 | 1.39 | 1.27 | 1.35 | 1.35 | 5.47% | 1,338,791 |
| Nov 25, 2025 | 1.28 | 1.34 | 1.26 | 1.28 | 1.28 | - | 821,550 |
| Nov 24, 2025 | 1.26 | 1.30 | 1.26 | 1.28 | 1.28 | 3.23% | 1,359,104 |
| Nov 21, 2025 | 1.20 | 1.29 | 1.19 | 1.24 | 1.24 | 3.33% | 1,066,271 |
| Nov 20, 2025 | 1.26 | 1.35 | 1.19 | 1.20 | 1.20 | -1.64% | 2,114,191 |
| Nov 19, 2025 | 1.28 | 1.35 | 1.21 | 1.22 | 1.22 | -3.94% | 1,529,895 |
| Nov 18, 2025 | 1.24 | 1.33 | 1.21 | 1.27 | 1.27 | 2.42% | 1,709,428 |
| Nov 17, 2025 | 1.19 | 1.30 | 1.16 | 1.24 | 1.24 | - | 1,616,428 |
| Nov 14, 2025 | 1.23 | 1.30 | 1.21 | 1.24 | 1.24 | 3.33% | 1,647,981 |
| Nov 13, 2025 | 1.32 | 1.36 | 1.20 | 1.20 | 1.20 | -10.45% | 2,597,405 |
| Nov 12, 2025 | 1.34 | 1.44 | 1.30 | 1.34 | 1.34 | -1.47% | 2,700,820 |
| Nov 11, 2025 | 1.30 | 1.39 | 1.30 | 1.36 | 1.36 | 3.82% | 1,343,578 |
| Nov 10, 2025 | 1.27 | 1.41 | 1.26 | 1.31 | 1.31 | 2.34% | 1,712,399 |
| Nov 7, 2025 | 1.27 | 1.29 | 1.17 | 1.28 | 1.28 | -1.54% | 1,976,865 |
| Nov 6, 2025 | 1.25 | 1.34 | 1.22 | 1.30 | 1.30 | 3.59% | 2,363,479 |
| Nov 5, 2025 | 1.32 | 1.33 | 1.25 | 1.26 | 1.26 | -4.92% | 1,772,300 |
| Nov 4, 2025 | 1.40 | 1.44 | 1.29 | 1.32 | 1.32 | -8.33% | 2,687,747 |
| Nov 3, 2025 | 1.46 | 1.50 | 1.39 | 1.44 | 1.44 | -2.04% | 1,642,875 |
| Oct 31, 2025 | 1.52 | 1.56 | 1.40 | 1.47 | 1.47 | -3.29% | 4,420,492 |
| Oct 30, 2025 | 1.55 | 1.66 | 1.50 | 1.52 | 1.52 | -1.94% | 2,580,787 |
| Oct 29, 2025 | 1.51 | 1.68 | 1.49 | 1.55 | 1.55 | 3.33% | 6,823,879 |
| Oct 28, 2025 | 1.48 | 1.55 | 1.45 | 1.50 | 1.50 | - | 3,881,668 |
| Oct 27, 2025 | 1.54 | 1.60 | 1.50 | 1.50 | 1.50 | - | 3,726,651 |
| Oct 24, 2025 | 1.47 | 1.54 | 1.33 | 1.50 | 1.50 | 2.04% | 6,637,541 |
| Oct 23, 2025 | 1.61 | 1.68 | 1.46 | 1.47 | 1.47 | -8.70% | 7,621,254 |
| Oct 22, 2025 | 1.54 | 1.73 | 1.49 | 1.61 | 1.61 | -49.84% | 48,992,938 |
| Oct 21, 2025 | 3.22 | 3.27 | 3.09 | 3.21 | 3.21 | -3.02% | 4,470,697 |
| Oct 20, 2025 | 3.05 | 3.34 | 3.03 | 3.31 | 3.31 | 8.88% | 1,166,403 |
| Oct 17, 2025 | 3.16 | 3.33 | 3.03 | 3.04 | 3.04 | -5.59% | 1,043,296 |
| Oct 16, 2025 | 3.22 | 3.40 | 3.16 | 3.22 | 3.22 | 0.94% | 1,757,577 |
| Oct 15, 2025 | 2.90 | 3.23 | 2.88 | 3.19 | 3.19 | 6.69% | 1,724,446 |
| Oct 14, 2025 | 3.00 | 3.07 | 2.87 | 2.99 | 2.99 | -1.64% | 987,677 |
| Oct 13, 2025 | 3.00 | 3.07 | 2.91 | 3.04 | 3.04 | 0.66% | 1,163,711 |
| Oct 10, 2025 | 3.20 | 3.24 | 3.00 | 3.02 | 3.02 | -3.82% | 866,037 |
| Oct 9, 2025 | 3.08 | 3.23 | 3.06 | 3.14 | 3.14 | 1.95% | 1,112,107 |
| Oct 8, 2025 | 3.10 | 3.25 | 3.06 | 3.08 | 3.08 | 0.33% | 1,021,153 |
| Oct 7, 2025 | 3.15 | 3.21 | 3.04 | 3.07 | 3.07 | -3.46% | 1,064,291 |
| Oct 6, 2025 | 3.26 | 3.30 | 3.10 | 3.18 | 3.18 | -4.22% | 983,913 |
| Oct 3, 2025 | 3.19 | 3.33 | 3.11 | 3.32 | 3.32 | 5.06% | 2,591,020 |
| Oct 2, 2025 | 3.00 | 3.17 | 2.97 | 3.16 | 3.16 | 5.33% | 1,069,700 |
| Oct 1, 2025 | 2.86 | 3.03 | 2.84 | 3.00 | 3.00 | 1.35% | 1,028,582 |
| Sep 30, 2025 | 3.00 | 3.05 | 2.83 | 2.96 | 2.96 | -2.95% | 964,940 |
| Sep 29, 2025 | 3.09 | 3.16 | 3.01 | 3.05 | 3.05 | -1.61% | 555,897 |
| Sep 26, 2025 | 2.94 | 3.16 | 2.92 | 3.10 | 3.10 | 5.80% | 1,024,457 |