Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
2.360
+0.100 (4.42%)
Aug 21, 2026, 4:00 PM EDT - Market closed
Alector Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | 2.28 | 2.37 | 2.20 | 2.36 | 2.36 | 4.42% | 727,094 |
| Aug 20, 2026 | 2.40 | 2.46 | 2.19 | 2.26 | 2.26 | -7.00% | 662,201 |
| Aug 19, 2026 | 2.25 | 2.53 | 2.16 | 2.43 | 2.43 | 9.95% | 3,755,621 |
| Aug 18, 2026 | 2.04 | 2.30 | 2.04 | 2.21 | 2.21 | 7.80% | 4,774,016 |
| Aug 17, 2026 | 1.91 | 2.09 | 1.90 | 2.05 | 2.05 | 4.59% | 913,807 |
| Aug 14, 2026 | 2.04 | 2.07 | 1.95 | 1.96 | 1.96 | -3.92% | 649,021 |
| Aug 13, 2026 | 2.15 | 2.15 | 1.98 | 2.04 | 2.04 | -5.12% | 1,294,760 |
| Aug 12, 2026 | 2.06 | 2.18 | 2.02 | 2.15 | 2.15 | 2.87% | 786,196 |
| Aug 11, 2026 | 1.68 | 2.13 | 1.65 | 2.09 | 2.09 | 23.67% | 5,543,326 |
| Aug 10, 2026 | 1.77 | 1.78 | 1.60 | 1.69 | 1.69 | -5.06% | 805,594 |
| Aug 7, 2026 | 1.84 | 2.00 | 1.74 | 1.78 | 1.78 | -2.73% | 1,247,033 |
| Aug 6, 2026 | 1.49 | 2.04 | 1.48 | 1.83 | 1.83 | 22.82% | 5,704,449 |
| Aug 5, 2026 | 1.56 | 1.57 | 1.46 | 1.49 | 1.49 | -3.25% | 392,306 |
| Aug 4, 2026 | 1.51 | 1.61 | 1.51 | 1.54 | 1.54 | 1.99% | 407,157 |
| Aug 3, 2026 | 1.51 | 1.54 | 1.46 | 1.51 | 1.51 | - | 359,922 |
| Jul 31, 2026 | 1.62 | 1.62 | 1.49 | 1.51 | 1.51 | -6.79% | 548,294 |
| Jul 30, 2026 | 1.52 | 1.67 | 1.51 | 1.62 | 1.62 | 6.58% | 453,153 |
| Jul 29, 2026 | 1.51 | 1.57 | 1.49 | 1.52 | 1.52 | - | 307,858 |
| Jul 28, 2026 | 1.51 | 1.54 | 1.48 | 1.52 | 1.52 | 0.66% | 342,803 |
| Jul 27, 2026 | 1.49 | 1.58 | 1.47 | 1.51 | 1.51 | 2.03% | 229,001 |
| Jul 24, 2026 | 1.50 | 1.51 | 1.46 | 1.48 | 1.48 | -0.67% | 325,295 |
| Jul 23, 2026 | 1.48 | 1.55 | 1.47 | 1.49 | 1.49 | -2.61% | 607,111 |
| Jul 22, 2026 | 1.53 | 1.54 | 1.49 | 1.53 | 1.53 | -0.65% | 333,441 |
| Jul 21, 2026 | 1.42 | 1.55 | 1.42 | 1.54 | 1.54 | 7.69% | 499,661 |
| Jul 20, 2026 | 1.49 | 1.50 | 1.42 | 1.43 | 1.43 | -4.67% | 463,910 |
| Jul 17, 2026 | 1.43 | 1.52 | 1.42 | 1.50 | 1.50 | 2.04% | 500,157 |
| Jul 16, 2026 | 1.40 | 1.50 | 1.39 | 1.47 | 1.47 | -2.00% | 713,579 |
| Jul 15, 2026 | 1.39 | 1.53 | 1.37 | 1.50 | 1.50 | 7.91% | 719,640 |
| Jul 14, 2026 | 1.53 | 1.53 | 1.37 | 1.39 | 1.39 | -7.95% | 529,650 |
| Jul 13, 2026 | 1.60 | 1.61 | 1.50 | 1.51 | 1.51 | -6.21% | 775,930 |
| Jul 10, 2026 | 1.63 | 1.66 | 1.48 | 1.61 | 1.61 | -1.53% | 597,218 |
| Jul 9, 2026 | 1.83 | 1.86 | 1.60 | 1.64 | 1.64 | -10.66% | 589,285 |
| Jul 8, 2026 | 1.90 | 1.94 | 1.81 | 1.83 | 1.83 | -5.18% | 643,891 |
| Jul 7, 2026 | 1.97 | 1.97 | 1.86 | 1.93 | 1.93 | -0.52% | 416,164 |
| Jul 6, 2026 | 2.06 | 2.07 | 1.93 | 1.94 | 1.94 | -5.83% | 588,496 |
| Jul 2, 2026 | 2.02 | 2.15 | 2.00 | 2.06 | 2.06 | 2.49% | 394,059 |
| Jul 1, 2026 | 1.99 | 2.07 | 1.96 | 2.01 | 2.01 | - | 368,534 |
| Jun 30, 2026 | 2.10 | 2.14 | 1.98 | 2.01 | 2.01 | -3.37% | 609,377 |
| Jun 29, 2026 | 1.88 | 2.09 | 1.77 | 2.08 | 2.08 | 11.83% | 544,170 |
| Jun 26, 2026 | 1.84 | 1.96 | 1.84 | 1.86 | 1.86 | 0.54% | 3,845,497 |
| Jun 25, 2026 | 1.79 | 2.02 | 1.75 | 1.85 | 1.85 | 3.35% | 2,828,249 |
| Jun 24, 2026 | 1.78 | 1.87 | 1.78 | 1.79 | 1.79 | -2.19% | 510,426 |
| Jun 23, 2026 | 1.75 | 1.87 | 1.72 | 1.83 | 1.83 | 2.81% | 854,070 |
| Jun 22, 2026 | 1.76 | 1.92 | 1.72 | 1.78 | 1.78 | 1.71% | 1,592,996 |
| Jun 18, 2026 | 1.58 | 1.77 | 1.57 | 1.75 | 1.75 | 12.18% | 1,108,447 |
| Jun 17, 2026 | 1.55 | 1.60 | 1.53 | 1.56 | 1.56 | 1.30% | 496,015 |
| Jun 16, 2026 | 1.47 | 1.55 | 1.41 | 1.54 | 1.54 | 4.05% | 712,030 |
| Jun 15, 2026 | 1.56 | 1.60 | 1.46 | 1.48 | 1.48 | -3.27% | 629,572 |
| Jun 12, 2026 | 1.58 | 1.61 | 1.53 | 1.53 | 1.53 | -2.55% | 263,831 |
| Jun 11, 2026 | 1.52 | 1.74 | 1.49 | 1.57 | 1.57 | 3.29% | 428,244 |