Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
2.155
+0.155 (7.75%)
Mar 9, 2026, 3:16 PM EDT - Market open
Alector Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 1.94 | 2.18 | 1.94 | 2.15 | - | 7.50% | 592,702 |
| Mar 6, 2026 | 1.94 | 2.03 | 1.89 | 2.00 | 2.00 | 1.01% | 684,066 |
| Mar 5, 2026 | 2.15 | 2.15 | 1.94 | 1.98 | 1.98 | -7.91% | 1,100,241 |
| Mar 4, 2026 | 2.21 | 2.21 | 2.08 | 2.15 | 2.15 | 1.90% | 734,028 |
| Mar 3, 2026 | 2.17 | 2.17 | 2.06 | 2.11 | 2.11 | -4.52% | 637,813 |
| Mar 2, 2026 | 2.37 | 2.37 | 2.04 | 2.21 | 2.21 | -9.05% | 1,986,167 |
| Feb 27, 2026 | 2.51 | 2.53 | 2.32 | 2.43 | 2.43 | -5.08% | 1,337,719 |
| Feb 26, 2026 | 2.12 | 2.57 | 2.07 | 2.56 | 2.56 | 7.11% | 1,311,358 |
| Feb 25, 2026 | 2.20 | 2.43 | 2.19 | 2.39 | 2.39 | 9.13% | 992,707 |
| Feb 24, 2026 | 2.10 | 2.23 | 2.06 | 2.19 | 2.19 | 4.29% | 528,856 |
| Feb 23, 2026 | 1.98 | 2.12 | 1.93 | 2.10 | 2.10 | 5.53% | 840,577 |
| Feb 20, 2026 | 1.97 | 2.03 | 1.93 | 1.99 | 1.99 | -1.00% | 486,439 |
| Feb 19, 2026 | 1.98 | 2.04 | 1.94 | 2.01 | 2.01 | 1.52% | 563,847 |
| Feb 18, 2026 | 1.99 | 2.04 | 1.95 | 1.98 | 1.98 | 0.51% | 518,736 |
| Feb 17, 2026 | 1.88 | 2.00 | 1.86 | 1.97 | 1.97 | 5.35% | 669,248 |
| Feb 13, 2026 | 1.90 | 2.03 | 1.84 | 1.87 | 1.87 | -1.58% | 1,238,011 |
| Feb 12, 2026 | 1.93 | 1.98 | 1.88 | 1.90 | 1.90 | -1.04% | 1,319,817 |
| Feb 11, 2026 | 1.96 | 1.97 | 1.86 | 1.92 | 1.92 | -1.54% | 590,767 |
| Feb 10, 2026 | 1.98 | 1.98 | 1.89 | 1.95 | 1.95 | -0.51% | 928,769 |
| Feb 9, 2026 | 1.90 | 2.00 | 1.89 | 1.96 | 1.96 | - | 438,076 |
| Feb 6, 2026 | 1.83 | 1.96 | 1.83 | 1.96 | 1.96 | 7.69% | 1,161,356 |
| Feb 5, 2026 | 1.81 | 1.90 | 1.75 | 1.82 | 1.82 | -5.70% | 1,665,866 |
| Feb 4, 2026 | 1.96 | 1.98 | 1.87 | 1.93 | 1.93 | - | 722,680 |
| Feb 3, 2026 | 1.98 | 2.05 | 1.89 | 1.93 | 1.93 | -3.02% | 789,332 |
| Feb 2, 2026 | 1.87 | 2.03 | 1.84 | 1.99 | 1.99 | 5.29% | 851,219 |
| Jan 30, 2026 | 1.87 | 1.90 | 1.81 | 1.89 | 1.89 | -1.05% | 1,204,455 |
| Jan 29, 2026 | 1.93 | 1.94 | 1.90 | 1.91 | 1.91 | - | 469,505 |
| Jan 28, 2026 | 1.96 | 1.97 | 1.85 | 1.91 | 1.91 | -2.05% | 777,952 |
| Jan 27, 2026 | 1.95 | 1.98 | 1.91 | 1.95 | 1.95 | 1.04% | 226,782 |
| Jan 26, 2026 | 1.93 | 2.00 | 1.90 | 1.93 | 1.93 | -0.52% | 773,872 |
| Jan 23, 2026 | 1.89 | 1.94 | 1.88 | 1.94 | 1.94 | 1.04% | 671,873 |
| Jan 22, 2026 | 1.87 | 2.00 | 1.87 | 1.92 | 1.92 | - | 516,943 |
| Jan 21, 2026 | 1.82 | 1.93 | 1.81 | 1.92 | 1.92 | 4.92% | 691,491 |
| Jan 20, 2026 | 1.81 | 1.86 | 1.77 | 1.83 | 1.83 | -0.54% | 1,181,384 |
| Jan 16, 2026 | 1.80 | 1.98 | 1.78 | 1.84 | 1.84 | 1.10% | 1,207,205 |
| Jan 15, 2026 | 1.79 | 1.85 | 1.74 | 1.82 | 1.82 | -1.62% | 2,105,953 |
| Jan 14, 2026 | 1.92 | 1.93 | 1.84 | 1.85 | 1.85 | -3.65% | 1,286,891 |
| Jan 13, 2026 | 1.85 | 1.94 | 1.80 | 1.92 | 1.92 | 4.35% | 739,042 |
| Jan 12, 2026 | 1.84 | 1.85 | 1.71 | 1.84 | 1.84 | -1.08% | 1,271,939 |
| Jan 9, 2026 | 1.79 | 1.87 | 1.76 | 1.86 | 1.86 | 5.08% | 1,329,975 |
| Jan 8, 2026 | 1.70 | 1.79 | 1.69 | 1.77 | 1.77 | 0.57% | 1,001,939 |
| Jan 7, 2026 | 1.71 | 1.77 | 1.69 | 1.76 | 1.76 | 4.14% | 1,259,338 |
| Jan 6, 2026 | 1.58 | 1.71 | 1.56 | 1.69 | 1.69 | 5.62% | 1,421,053 |
| Jan 5, 2026 | 1.51 | 1.60 | 1.51 | 1.60 | 1.60 | 4.58% | 1,368,874 |
| Jan 2, 2026 | 1.57 | 1.62 | 1.50 | 1.53 | 1.53 | -1.92% | 638,735 |
| Dec 31, 2025 | 1.51 | 1.58 | 1.51 | 1.56 | 1.56 | 2.63% | 768,807 |
| Dec 30, 2025 | 1.52 | 1.54 | 1.49 | 1.52 | 1.52 | - | 676,164 |
| Dec 29, 2025 | 1.44 | 1.53 | 1.44 | 1.52 | 1.52 | 4.83% | 1,576,507 |
| Dec 26, 2025 | 1.44 | 1.48 | 1.40 | 1.45 | 1.45 | - | 640,188 |
| Dec 24, 2025 | 1.42 | 1.47 | 1.42 | 1.45 | 1.45 | 2.84% | 400,986 |
| Dec 23, 2025 | 1.42 | 1.47 | 1.40 | 1.41 | 1.41 | -2.76% | 1,095,924 |
| Dec 22, 2025 | 1.40 | 1.49 | 1.40 | 1.45 | 1.45 | 3.57% | 1,113,394 |
| Dec 19, 2025 | 1.37 | 1.45 | 1.35 | 1.40 | 1.40 | 0.72% | 3,004,824 |
| Dec 18, 2025 | 1.36 | 1.45 | 1.34 | 1.39 | 1.39 | 2.96% | 1,296,786 |
| Dec 17, 2025 | 1.39 | 1.42 | 1.34 | 1.35 | 1.35 | -2.88% | 641,011 |
| Dec 16, 2025 | 1.39 | 1.45 | 1.35 | 1.39 | 1.39 | -2.11% | 853,635 |
| Dec 15, 2025 | 1.52 | 1.52 | 1.42 | 1.42 | 1.42 | -4.70% | 1,219,627 |
| Dec 12, 2025 | 1.46 | 1.54 | 1.41 | 1.49 | 1.49 | 2.05% | 1,474,064 |
| Dec 11, 2025 | 1.31 | 1.54 | 1.29 | 1.46 | 1.46 | 12.31% | 5,002,403 |
| Dec 10, 2025 | 1.27 | 1.31 | 1.26 | 1.30 | 1.30 | 1.56% | 978,023 |
| Dec 9, 2025 | 1.22 | 1.29 | 1.18 | 1.28 | 1.28 | 4.92% | 2,352,967 |
| Dec 8, 2025 | 1.24 | 1.27 | 1.20 | 1.22 | 1.22 | - | 1,642,656 |
| Dec 5, 2025 | 1.21 | 1.26 | 1.19 | 1.22 | 1.22 | 0.83% | 1,355,435 |
| Dec 4, 2025 | 1.12 | 1.25 | 1.11 | 1.21 | 1.21 | 6.14% | 2,787,890 |
| 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% | 1,397,853 |
| Dec 1, 2025 | 1.30 | 1.32 | 1.22 | 1.23 | 1.23 | -7.52% | 1,215,470 |
| 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 |