Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
2.010
+0.030 (1.52%)
At close: Feb 19, 2026, 4:00 PM EST
2.070
+0.060 (2.99%)
After-hours: Feb 19, 2026, 6:28 PM EST
Alector Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Feb 19, 2026 | 1.98 | 2.04 | 1.94 | 2.01 | 2.01 | 1.52% | 540,693 |
| 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% | 669,180 |
| Feb 13, 2026 | 1.90 | 2.03 | 1.84 | 1.87 | 1.87 | -1.58% | 1,237,986 |
| Feb 12, 2026 | 1.93 | 1.98 | 1.88 | 1.90 | 1.90 | -1.04% | 1,319,812 |
| Feb 11, 2026 | 1.96 | 1.97 | 1.86 | 1.92 | 1.92 | -1.54% | 590,760 |
| Feb 10, 2026 | 1.98 | 1.98 | 1.89 | 1.95 | 1.95 | -0.51% | 928,764 |
| Feb 9, 2026 | 1.90 | 2.00 | 1.89 | 1.96 | 1.96 | - | 437,731 |
| Feb 6, 2026 | 1.83 | 1.96 | 1.83 | 1.96 | 1.96 | 7.69% | 1,124,260 |
| Feb 5, 2026 | 1.81 | 1.90 | 1.75 | 1.82 | 1.82 | -5.70% | 1,665,777 |
| Feb 4, 2026 | 1.96 | 1.98 | 1.87 | 1.93 | 1.93 | - | 721,614 |
| Feb 3, 2026 | 1.98 | 2.05 | 1.89 | 1.93 | 1.93 | -3.02% | 789,252 |
| Feb 2, 2026 | 1.87 | 2.03 | 1.84 | 1.99 | 1.99 | 5.29% | 849,853 |
| Jan 30, 2026 | 1.87 | 1.90 | 1.81 | 1.89 | 1.89 | -1.05% | 1,202,255 |
| Jan 29, 2026 | 1.93 | 1.94 | 1.90 | 1.91 | 1.91 | - | 469,392 |
| Jan 28, 2026 | 1.96 | 1.97 | 1.85 | 1.91 | 1.91 | -2.05% | 777,948 |
| Jan 27, 2026 | 1.95 | 1.98 | 1.91 | 1.95 | 1.95 | 1.04% | 226,781 |
| Jan 26, 2026 | 1.93 | 2.00 | 1.90 | 1.93 | 1.93 | -0.52% | 773,862 |
| Jan 23, 2026 | 1.89 | 1.94 | 1.88 | 1.94 | 1.94 | 1.04% | 665,443 |
| Jan 22, 2026 | 1.87 | 2.00 | 1.87 | 1.92 | 1.92 | - | 516,414 |
| Jan 21, 2026 | 1.82 | 1.93 | 1.81 | 1.92 | 1.92 | 4.92% | 688,991 |
| 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% | 1,207,090 |
| 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% | 1,286,662 |
| Jan 13, 2026 | 1.85 | 1.94 | 1.80 | 1.92 | 1.92 | 4.35% | 737,807 |
| Jan 12, 2026 | 1.84 | 1.85 | 1.71 | 1.84 | 1.84 | -1.08% | 1,270,939 |
| 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 |