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Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
2.390
+0.040 (1.70%)
At close: Apr 28, 2026, 4:00 PM EDT
2.430
+0.040 (1.67%)
After-hours: Apr 28, 2026, 7:10 PM EDT

Alector Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 20262.352.422.352.392.391.70%297,117
Apr 27, 20262.412.472.332.352.35-2.49%592,893
Apr 24, 20262.422.532.362.412.41-0.82%320,567
Apr 23, 20262.522.522.382.432.43-0.82%303,384
Apr 22, 20262.482.702.372.452.45-0.41%1,421,359
Apr 21, 20262.702.732.452.462.46-9.06%298,688
Apr 20, 20262.562.742.562.712.715.25%324,864
Apr 17, 20262.622.622.492.572.570.78%343,060
Apr 16, 20262.522.672.472.552.55-1.16%561,130
Apr 15, 20262.532.612.502.582.587.05%538,355
Apr 14, 20262.352.452.342.412.413.43%393,996
Apr 13, 20262.442.442.282.332.33-4.90%362,212
Apr 10, 20262.402.532.402.452.452.08%572,990
Apr 9, 20262.382.422.342.402.40-0.83%271,311
Apr 8, 20262.582.602.392.422.42-2.02%340,364
Apr 7, 20262.342.492.302.472.475.33%562,115
Apr 6, 20262.412.492.332.352.35-2.70%582,330
Apr 2, 20262.452.522.132.412.41-4.74%1,316,858
Apr 1, 20262.182.642.162.532.5317.67%3,304,101
Mar 31, 20262.032.192.032.152.156.44%352,535
Mar 30, 20262.022.051.952.022.021.00%384,066
Mar 27, 20262.092.151.982.002.00-5.66%466,465
Mar 26, 20262.032.172.032.122.12-2.30%388,177
Mar 25, 20262.122.222.122.172.174.33%589,310
Mar 24, 20261.972.141.972.082.080.97%594,276
Mar 23, 20262.112.162.042.062.060.49%408,741
Mar 20, 20262.062.102.012.052.05-0.49%1,924,568
Mar 19, 20262.002.111.962.062.060.49%379,767
Mar 18, 20262.192.212.012.052.05-8.07%558,963
Mar 17, 20262.222.282.172.232.230.90%515,873
Mar 16, 20262.292.292.192.212.210.45%372,318
Mar 13, 20262.242.332.142.202.20-1.35%648,652
Mar 12, 20262.202.322.202.232.23-3.88%623,703
Mar 11, 20262.352.382.212.322.32-2.52%813,236
Mar 10, 20262.392.652.372.382.388.68%1,822,946
Mar 9, 20261.942.211.942.192.199.50%939,030
Mar 6, 20261.942.031.892.002.001.01%684,095
Mar 5, 20262.152.151.941.981.98-7.91%1,100,241
Mar 4, 20262.212.212.082.152.151.90%734,029
Mar 3, 20262.172.172.062.112.11-4.52%647,141
Mar 2, 20262.372.372.042.212.21-9.05%1,992,189
Feb 27, 20262.512.532.322.432.43-5.08%1,337,719
Feb 26, 20262.122.572.072.562.567.11%1,311,358
Feb 25, 20262.202.432.192.392.399.13%992,707
Feb 24, 20262.102.232.062.192.194.29%528,856
Feb 23, 20261.982.121.932.102.105.53%840,577
Feb 20, 20261.972.031.931.991.99-1.00%486,439
Feb 19, 20261.982.041.942.012.011.52%563,847
Feb 18, 20261.992.041.951.981.980.51%518,736
Feb 17, 20261.882.001.861.971.975.35%669,248
Feb 13, 20261.902.031.841.871.87-1.58%1,238,011
Feb 12, 20261.931.981.881.901.90-1.04%1,319,817
Feb 11, 20261.961.971.861.921.92-1.54%590,767
Feb 10, 20261.981.981.891.951.95-0.51%928,769
Feb 9, 20261.902.001.891.961.96-438,076
Feb 6, 20261.831.961.831.961.967.69%1,161,356
Feb 5, 20261.811.901.751.821.82-5.70%1,665,866
Feb 4, 20261.961.981.871.931.93-722,680
Feb 3, 20261.982.051.891.931.93-3.02%789,332
Feb 2, 20261.872.031.841.991.995.29%851,219
Jan 30, 20261.871.901.811.891.89-1.05%1,204,455
Jan 29, 20261.931.941.901.911.91-469,505
Jan 28, 20261.961.971.851.911.91-2.05%777,952
Jan 27, 20261.951.981.911.951.951.04%226,782
Jan 26, 20261.932.001.901.931.93-0.52%773,872
Jan 23, 20261.891.941.881.941.941.04%671,873
Jan 22, 20261.872.001.871.921.92-516,943
Jan 21, 20261.821.931.811.921.924.92%691,491
Jan 20, 20261.811.861.771.831.83-0.54%1,181,384
Jan 16, 20261.801.981.781.841.841.10%1,207,205
Jan 15, 20261.791.851.741.821.82-1.62%2,105,953
Jan 14, 20261.921.931.841.851.85-3.65%1,286,891
Jan 13, 20261.851.941.801.921.924.35%739,042
Jan 12, 20261.841.851.711.841.84-1.08%1,271,939
Jan 9, 20261.791.871.761.861.865.08%1,329,975
Jan 8, 20261.701.791.691.771.770.57%1,001,939
Jan 7, 20261.711.771.691.761.764.14%1,259,338
Jan 6, 20261.581.711.561.691.695.62%1,421,053
Jan 5, 20261.511.601.511.601.604.58%1,368,874
Jan 2, 20261.571.621.501.531.53-1.92%638,735
Dec 31, 20251.511.581.511.561.562.63%768,807
Dec 30, 20251.521.541.491.521.52-676,164
Dec 29, 20251.441.531.441.521.524.83%1,576,507
Dec 26, 20251.441.481.401.451.45-640,188
Dec 24, 20251.421.471.421.451.452.84%400,986
Dec 23, 20251.421.471.401.411.41-2.76%1,095,924
Dec 22, 20251.401.491.401.451.453.57%1,113,394
Dec 19, 20251.371.451.351.401.400.72%3,004,824
Dec 18, 20251.361.451.341.391.392.96%1,296,786
Dec 17, 20251.391.421.341.351.35-2.88%641,011
Dec 16, 20251.391.451.351.391.39-2.11%853,635
Dec 15, 20251.521.521.421.421.42-4.70%1,219,627
Dec 12, 20251.461.541.411.491.492.05%1,474,064
Dec 11, 20251.311.541.291.461.4612.31%5,002,403
Dec 10, 20251.271.311.261.301.301.56%978,023
Dec 9, 20251.221.291.181.281.284.92%2,352,967
Dec 8, 20251.241.271.201.221.22-1,642,656
Dec 5, 20251.211.261.191.221.220.83%1,355,435
Dec 4, 20251.121.251.111.211.216.14%2,787,890
Dec 3, 20251.141.161.091.141.14-2,416,719