Dark

ALEC
Alector, Inc. Common Stock
stock NASDAQ

Market Open

Sep 30, 2026 1:08:15 PM EDT

1.88USD+0.267%(0.00)396,052

1.87Bid 1.88Ask 0.01Spread

Pre-market

Sep 29, 2026 9:24:30 AM EDT

1.96USD+4.813%(+0.09)0

After-hours

Sep 29, 2026 4:59:30 PM EDT

1.88USD0.000%(0.00)0

OverviewOptionsHistoricalExchangesShortsMore

Date (EDT)	Open	High	Low	Close	Change	Volume	Change Since
2026-09-30	1.8600	1.9500	1.8400	1.8800	+0.535%	396,052	0.000%
2026-09-29	1.9500	1.9500	1.8600	1.8700	-2.604%	960,740	+0.535%
2026-09-28	1.9200	1.9550	1.8600	1.9200	-1.538%	713,343	-2.083%
2026-09-25	1.9200	2.0500	1.9000	1.9500	+1.563%	1,024,565	-3.590%
2026-09-24	2.0200	2.0500	1.9050	1.9200	-4.950%	849,547	-2.083%
2026-09-23	2.0000	2.0200	1.9500	2.0200	+0.498%	1,182,750	-6.931%
2026-09-22	1.9700	2.0350	1.9300	2.0100	+4.145%	1,464,201	-6.468%
2026-09-21	1.9000	1.9450	1.8500	1.9300	+1.047%	1,281,187	-2.591%
2026-09-18	1.8500	1.9100	1.7900	1.9100	+3.243%	2,119,033	-1.571%
2026-09-17	1.9600	1.9700	1.8300	1.8500	-3.896%	931,237	+1.622%
2026-09-16	2.0600	2.0600	1.9100	1.9250	-5.405%	622,264	-2.338%
2026-09-15	2.1900	2.2090	1.9850	2.0350	-7.919%	715,905	-7.617%
2026-09-14	2.1500	2.2250	2.0950	2.2100	+3.271%	2,467,756	-14.932%
2026-09-11	2.1700	2.2200	2.0200	2.1400	0.000%	4,699,047	-12.150%
2026-09-10	2.2200	2.2400	2.0000	2.1400	-5.727%	3,781,817	-12.150%
2026-09-09	2.4700	2.4700	2.2500	2.2700	-8.097%	505,802	-17.181%
2026-09-08	2.3800	2.6100	2.3300	2.4700	+0.407%	916,855	-23.887%
2026-09-04	2.5200	2.5750	2.4400	2.4600	-1.992%	496,601	-23.577%
2026-09-03	2.7000	2.7500	2.4350	2.5100	-7.721%	2,792,297	-25.100%
2026-09-02	2.4000	2.7600	2.4000	2.7200	+13.333%	1,672,778	-30.882%
2026-09-01	2.2400	2.4857	2.2200	2.4000	+6.195%	482,394	-21.667%
2026-08-31	2.3200	2.3500	2.2300	2.2600	-3.419%	610,060	-16.814%
2026-08-28	2.3900	2.4400	2.3150	2.3400	-2.092%	542,222	-19.658%
2026-08-27	2.4400	2.5000	2.3900	2.3900	-2.846%	706,964	-21.339%
2026-08-26	2.3800	2.5150	2.2600	2.4600	+4.237%	996,494	-23.577%
2026-08-25	2.3200	2.4550	2.2800	2.3600	+2.609%	558,276	-20.339%
2026-08-24	2.3600	2.4650	2.2900	2.3000	-2.542%	738,145	-18.261%
2026-08-21	2.2800	2.3700	2.2000	2.3600	+4.425%	728,095	-20.339%
2026-08-20	2.4000	2.4600	2.1850	2.2600	-6.996%	662,589	-16.814%
2026-08-19	2.2450	2.5250	2.1550	2.4300	+9.955%	3,755,622	-22.634%
2026-08-18	2.0400	2.3000	2.0400	2.2100	+7.805%	4,774,016	-14.932%
2026-08-17	1.9100	2.0900	1.9000	2.0500	+4.592%	913,808	-8.293%
2026-08-14	2.0400	2.0700	1.9450	1.9600	-3.922%	649,022	-4.082%
2026-08-13	2.1500	2.1500	1.9800	2.0400	-5.116%	1,294,760	-7.843%
2026-08-12	2.0600	2.1750	2.0200	2.1500	+2.871%	786,197	-12.558%
2026-08-11	1.6800	2.1290	1.6500	2.0900	+23.669%	5,543,326	-10.048%
2026-08-10	1.7700	1.7800	1.6000	1.6900	-5.056%	805,595	+11.243%
2026-08-07	1.8400	2.0000	1.7400	1.7800	-2.732%	1,247,034	+5.618%
2026-08-06	1.4900	2.0350	1.4820	1.8300	+22.819%	5,704,449	+2.732%
2026-08-05	1.5600	1.5700	1.4600	1.4900	-3.247%	392,306	+26.174%
2026-08-04	1.5100	1.6100	1.5100	1.5400	+1.987%	407,157	+22.078%
2026-08-03	1.5100	1.5400	1.4550	1.5100	0.000%	359,923	+24.503%
2026-07-31	1.6200	1.6200	1.4850	1.5100	-6.790%	548,295	+24.503%
2026-07-30	1.5200	1.6700	1.5100	1.6200	+6.579%	453,154	+16.049%
2026-07-29	1.5100	1.5650	1.4900	1.5200	0.000%	307,859	+23.684%
2026-07-28	1.5100	1.5400	1.4750	1.5200	+0.662%	342,804	+23.684%
2026-07-27	1.4900	1.5750	1.4700	1.5100	+2.027%	229,002	+24.503%
2026-07-24	1.5000	1.5052	1.4550	1.4800	-0.671%	325,295	+27.027%
2026-07-23	1.4800	1.5450	1.4700	1.4900	-2.614%	607,112	+26.174%
2026-07-22	1.5300	1.5350	1.4900	1.5300	-0.649%	333,441	+22.876%
2026-07-21	1.4200	1.5500	1.4200	1.5400	+7.692%	499,661	+22.078%
2026-07-20	1.4900	1.5000	1.4150	1.4300	-4.667%	463,911	+31.469%
2026-07-17	1.4300	1.5189	1.4200	1.5000	+2.041%	500,157	+25.333%
2026-07-16	1.4000	1.5000	1.3900	1.4700	-2.000%	713,580	+27.891%
2026-07-15	1.3900	1.5300	1.3700	1.5000	+7.914%	719,640	+25.333%
2026-07-14	1.5300	1.5300	1.3700	1.3900	-7.947%	517,261	+35.252%
2026-07-13	1.6000	1.6100	1.4950	1.5100	-6.211%	775,930	+24.503%
2026-07-10	1.6300	1.6600	1.4750	1.6100	-1.529%	597,118	+16.770%
2026-07-09	1.8300	1.8600	1.6000	1.6350	-10.656%	589,286	+14.985%
2026-07-08	1.9000	1.9400	1.8050	1.8300	-5.181%	643,892	+2.732%
2026-07-07	1.9700	1.9700	1.8550	1.9300	-0.515%	416,165	-2.591%
2026-07-06	2.0600	2.0650	1.9250	1.9400	-5.825%	588,496	-3.093%
2026-07-02	2.0200	2.1450	1.9950	2.0600	+2.488%	394,059	-8.738%
2026-07-01	1.9900	2.0700	1.9550	2.0100	0.000%	368,534	-6.468%
2026-06-30	2.1000	2.1350	1.9800	2.0100	-3.365%	609,378	-6.468%
2026-06-29	1.8800	2.0900	1.7700	2.0800	+11.828%	544,171	-9.615%
2026-06-26	1.8400	1.9550	1.8400	1.8600	+0.541%	3,845,498	+1.075%
2026-06-25	1.7900	2.0200	1.7450	1.8500	+3.352%	2,828,250	+1.622%
2026-06-24	1.7800	1.8700	1.7800	1.7900	-2.186%	510,426	+5.028%
2026-06-23	1.7500	1.8700	1.7200	1.8300	+2.809%	854,070	+2.732%
2026-06-22	1.7600	1.9199	1.7150	1.7800	+1.714%	1,592,996	+5.618%
2026-06-18	1.5800	1.7700	1.5650	1.7500	+12.179%	1,108,448	+7.429%
2026-06-17	1.5500	1.6000	1.5300	1.5600	+1.299%	496,016	+20.513%
2026-06-16	1.4700	1.5500	1.4100	1.5400	+4.054%	712,030	+22.078%
2026-06-15	1.5600	1.5950	1.4600	1.4800	-3.268%	629,573	+27.027%
2026-06-12	1.5800	1.6050	1.5300	1.5300	-2.548%	263,831	+22.876%
2026-06-11	1.5200	1.7400	1.4850	1.5700	+3.289%	428,245	+19.745%
2026-06-10	1.6900	1.6900	1.4850	1.5200	-6.748%	429,021	+23.684%
2026-06-09	1.6400	1.6800	1.5850	1.6300	-0.610%	439,473	+15.337%
2026-06-08	1.6500	1.6650	1.5700	1.6400	+0.306%	667,835	+14.634%
2026-06-05	1.8100	1.8400	1.6250	1.6350	-9.669%	364,367	+14.985%
2026-06-04	1.7900	1.9150	1.7900	1.8100	+1.972%	449,441	+3.867%
2026-06-03	1.9400	1.9400	1.7050	1.7750	-8.974%	1,691,685	+5.915%
2026-06-02	2.0400	2.0700	1.9200	1.9500	-5.797%	1,561,015	-3.590%
2026-06-01	2.1600	2.1600	2.0700	2.0700	-4.167%	705,789	-9.179%
2026-05-29	2.1500	2.2500	2.0500	2.1600	+0.465%	993,192	-12.963%
2026-05-28	2.2100	2.2400	2.1000	2.1500	-2.715%	1,300,474	-12.558%
2026-05-27	2.2000	2.2796	2.1700	2.2100	+0.913%	462,444	-14.932%
2026-05-26	2.2100	2.3200	2.1200	2.1900	-0.905%	480,570	-14.155%
2026-05-22	2.2200	2.2700	2.1700	2.2100	0.000%	328,072	-14.932%
2026-05-21	2.1100	2.2400	2.0100	2.2100	+4.245%	929,675	-14.932%
2026-05-20	2.1100	2.2350	2.1100	2.1200	+0.474%	898,480	-11.321%
2026-05-19	2.1000	2.1600	2.0190	2.1100	-0.472%	790,427	-10.900%
2026-05-18	2.1300	2.1800	2.0450	2.1200	-1.852%	814,458	-11.321%
2026-05-15	2.2400	2.2900	2.1400	2.1600	-6.087%	1,104,558	-12.963%
2026-05-14	2.2400	2.3700	2.1970	2.3000	+6.977%	783,208	-18.261%
2026-05-13	2.1200	2.2050	2.0900	2.1500	-0.463%	459,251	-12.558%
2026-05-12	2.0300	2.2050	2.0300	2.1600	+5.366%	437,339	-12.963%
2026-05-11	2.1000	2.2000	2.0050	2.0500	-2.381%	389,061	-8.293%
2026-05-08	2.1200	2.3300	2.0925	2.1000	-13.934%	720,453	-10.476%
2026-05-07	2.5600	2.5600	2.4116	2.4400	-5.058%	276,542	-22.951%
2026-05-06	2.5800	2.7000	2.5650	2.5700	0.000%	470,645	-26.848%
2026-05-05	2.5400	2.6150	2.5310	2.5700	+2.390%	361,275	-26.848%
2026-05-04	2.3500	2.5450	2.3500	2.5100	+6.356%	447,856	-25.100%
2026-05-01	2.3300	2.3850	2.2850	2.3600	-0.422%	420,337	-20.339%
2026-04-30	2.2900	2.4350	2.1500	2.3700	+3.043%	713,161	-20.675%
2026-04-29	2.3600	2.3823	2.2700	2.3000	-3.766%	368,602	-18.261%
2026-04-28	2.3500	2.4200	2.3500	2.3900	+1.702%	297,118	-21.339%
2026-04-27	2.4100	2.4650	2.3300	2.3500	-2.490%	592,892	-20.000%
2026-04-24	2.4200	2.5300	2.3600	2.4100	-0.823%	320,568	-21.992%
2026-04-23	2.5200	2.5200	2.3750	2.4300	-0.816%	303,384	-22.634%
2026-04-22	2.4800	2.7000	2.3700	2.4500	-0.407%	1,421,360	-23.265%
2026-04-21	2.7000	2.7300	2.4500	2.4600	-9.057%	298,688	-23.577%
2026-04-20	2.5600	2.7389	2.5600	2.7050	+5.253%	324,864	-30.499%
2026-04-17	2.6200	2.6200	2.4900	2.5700	+0.784%	343,060	-26.848%
2026-04-16	2.5200	2.6650	2.4700	2.5500	-1.163%	561,130	-26.275%
2026-04-15	2.5300	2.6100	2.4950	2.5800	+7.054%	538,356	-27.132%
2026-04-14	2.3500	2.4450	2.3400	2.4100	+3.433%	393,997	-21.992%
2026-04-13	2.4400	2.4400	2.2750	2.3300	-4.898%	362,213	-19.313%
2026-04-10	2.4000	2.5300	2.4000	2.4500	+2.083%	572,991	-23.265%
2026-04-09	2.3800	2.4150	2.3400	2.4000	-0.826%	278,686	-21.667%
2026-04-08	2.5800	2.6000	2.3850	2.4200	-2.024%	340,364	-22.314%
2026-04-07	2.3400	2.4900	2.3000	2.4700	+5.330%	562,115	-23.887%
2026-04-06	2.4100	2.4900	2.3250	2.3450	-2.697%	582,331	-19.829%
2026-04-02	2.4500	2.5200	2.1250	2.4100	-4.743%	1,316,858	-21.992%
2026-04-01	2.1800	2.6350	2.1600	2.5300	+17.674%	3,304,102	-25.692%
2026-03-31	2.0300	2.1900	2.0300	2.1500	+6.436%	352,536	-12.558%
2026-03-30	2.0200	2.0500	1.9500	2.0200	+1.000%	384,066	-6.931%
2026-03-27	2.0900	2.1500	1.9800	2.0000	-5.660%	466,465	-6.000%
2026-03-26	2.0300	2.1700	2.0300	2.1200	-2.304%	388,177	-11.321%
2026-03-25	2.1200	2.2200	2.1200	2.1700	+4.327%	589,311	-13.364%
2026-03-24	1.9700	2.1400	1.9700	2.0800	+0.971%	594,276	-9.615%
2026-03-23	2.1100	2.1600	2.0350	2.0600	+0.488%	408,741	-8.738%
2026-03-20	2.0600	2.1000	2.0050	2.0500	-0.485%	1,924,891	-8.293%
2026-03-19	2.0000	2.1050	1.9600	2.0600	+0.488%	379,768	-8.738%
2026-03-18	2.1900	2.2050	2.0050	2.0500	-8.072%	558,963	-8.293%
2026-03-17	2.2200	2.2800	2.1692	2.2300	+0.905%	515,773	-15.695%
2026-03-16	2.2900	2.2900	2.1900	2.2100	+0.455%	372,319	-14.932%
2026-03-13	2.2400	2.3250	2.1350	2.2000	-1.345%	648,652	-14.545%
2026-03-12	2.2000	2.3200	2.2000	2.2300	-3.879%	623,703	-15.695%
2026-03-11	2.3500	2.3750	2.2100	2.3200	-2.521%	813,236	-18.966%
2026-03-10	2.3900	2.6500	2.3700	2.3800	+8.676%	1,822,947	-21.008%
2026-03-09	1.9400	2.2050	1.9400	2.1900	+9.500%	939,030	-14.155%
2026-03-06	1.9400	2.0300	1.8900	2.0000	+1.010%	684,096	-6.000%
2026-03-05	2.1500	2.1500	1.9350	1.9800	-7.907%	1,100,242	-5.051%
2026-03-04	2.2100	2.2100	2.0800	2.1500	+1.896%	734,029	-12.558%
2026-03-03	2.1700	2.1700	2.0550	2.1100	-4.525%	647,141	-10.900%
2026-03-02	2.3700	2.3700	2.0400	2.2100	-9.053%	1,992,189	-14.932%
2026-02-27	2.5100	2.5286	2.3150	2.4300	-5.078%	1,337,610	-22.634%
2026-02-26	2.1200	2.5700	2.0700	2.5600	+7.113%	1,311,259	-26.563%
2026-02-25	2.2000	2.4250	2.1850	2.3900	+9.132%	992,708	-21.339%
2026-02-24	2.1000	2.2253	2.0600	2.1900	+4.286%	528,857	-14.155%
2026-02-23	1.9800	2.1200	1.9300	2.1000	+5.528%	840,577	-10.476%
2026-02-20	1.9700	2.0300	1.9300	1.9900	-0.995%	486,439	-5.528%
2026-02-19	1.9800	2.0400	1.9400	2.0100	+1.515%	563,847	-6.468%
2026-02-18	1.9900	2.0400	1.9450	1.9800	+0.508%	518,736	-5.051%
2026-02-17	1.8800	2.0000	1.8600	1.9700	+5.348%	669,248	-4.569%
2026-02-13	1.9000	2.0250	1.8400	1.8700	-1.579%	1,237,905	+0.535%
2026-02-12	1.9300	1.9800	1.8800	1.9000	-1.042%	1,319,717	-1.053%
2026-02-11	1.9600	1.9700	1.8600	1.9200	-1.538%	590,767	-2.083%
2026-02-10	1.9800	1.9800	1.8900	1.9500	-0.510%	928,669	-3.590%
2026-02-09	1.9000	1.9950	1.8850	1.9600	0.000%	438,076	-4.082%
2026-02-06	1.8300	1.9600	1.8300	1.9600	+7.692%	1,161,356	-4.082%
2026-02-05	1.8100	1.9000	1.7450	1.8200	-5.699%	1,665,866	+3.297%
2026-02-04	1.9600	1.9750	1.8700	1.9300	0.000%	722,680	-2.591%
2026-02-03	1.9800	2.0500	1.8850	1.9300	-3.015%	789,260	-2.591%
2026-02-02	1.8700	2.0300	1.8400	1.9900	+5.291%	851,219	-5.528%
2026-01-30	1.8700	1.9000	1.8100	1.8900	-1.047%	1,204,455	-0.529%
2026-01-29	1.9300	1.9400	1.9000	1.9100	0.000%	469,505	-1.571%
2026-01-28	1.9600	1.9650	1.8500	1.9100	-2.051%	777,952	-1.571%
2026-01-27	1.9500	1.9800	1.9100	1.9500	+1.036%	226,782	-3.590%
2026-01-26	1.9300	2.0000	1.9000	1.9300	-0.515%	773,872	-2.591%
2026-01-23	1.8900	1.9400	1.8800	1.9400	+1.042%	671,873	-3.093%
2026-01-22	1.8720	1.9950	1.8720	1.9200	0.000%	516,943	-2.083%
2026-01-21	1.8200	1.9300	1.8050	1.9200	+4.918%	691,490	-2.083%
2026-01-20	1.8100	1.8600	1.7650	1.8300	-0.543%	1,179,293	+2.732%
2026-01-16	1.8000	1.9800	1.7800	1.8400	+1.099%	1,205,141	+2.174%
2026-01-15	1.7900	1.8450	1.7400	1.8200	-1.622%	2,105,317	+3.297%
2026-01-14	1.9200	1.9300	1.8400	1.8500	-3.646%	1,285,582	+1.622%
2026-01-13	1.8500	1.9350	1.8000	1.9200	+4.348%	738,164	-2.083%
2026-01-12	1.8400	1.8500	1.7100	1.8400	-1.075%	1,271,739	+2.174%
2026-01-09	1.7900	1.8700	1.7600	1.8600	+5.085%	1,302,902	+1.075%
2026-01-08	1.7000	1.7900	1.6907	1.7700	+0.568%	1,001,239	+6.215%
2026-01-07	1.7100	1.7650	1.6850	1.7600	+4.142%	1,258,138	+6.818%
2026-01-06	1.5800	1.7050	1.5550	1.6900	+5.625%	1,420,353	+11.243%
2026-01-05	1.5100	1.6000	1.5100	1.6000	+4.575%	1,368,474	+17.500%
2026-01-02	1.5700	1.6200	1.5000	1.5300	-1.923%	637,335	+22.876%
2025-12-31	1.5100	1.5800	1.5050	1.5600	+2.632%	768,251	+20.513%
2025-12-30	1.5200	1.5400	1.4900	1.5200	0.000%	675,864	+23.684%
2025-12-29	1.4400	1.5300	1.4400	1.5200	+4.828%	1,575,766	+23.684%
2025-12-26	1.4400	1.4750	1.4025	1.4500	0.000%	639,988	+29.655%
2025-12-24	1.4200	1.4700	1.4200	1.4500	+2.837%	400,786	+29.655%
2025-12-23	1.4200	1.4700	1.4000	1.4100	-2.759%	1,095,324	+33.333%
2025-12-22	1.4000	1.4900	1.4000	1.4500	+3.571%	1,112,494	+29.655%
2025-12-19	1.3700	1.4500	1.3500	1.4000	+0.719%	3,004,323	+34.286%
2025-12-18	1.3600	1.4500	1.3442	1.3900	+2.963%	1,295,877	+35.252%
2025-12-17	1.3900	1.4150	1.3350	1.3500	-2.878%	640,311	+39.259%
2025-12-16	1.3900	1.4500	1.3500	1.3900	-2.113%	851,681	+35.252%
2025-12-15	1.5200	1.5200	1.4200	1.4200	-4.698%	1,217,514	+32.394%
2025-12-12	1.4600	1.5400	1.4112	1.4900	+2.055%	1,472,661	+26.174%
2025-12-11	1.3100	1.5400	1.2900	1.4600	+12.308%	4,998,035	+28.767%
2025-12-10	1.2700	1.3100	1.2550	1.3000	+1.563%	977,323	+44.615%
2025-12-09	1.2200	1.2900	1.1800	1.2800	+4.918%	2,351,001	+46.875%
2025-12-08	1.2400	1.2700	1.2000	1.2200	0.000%	1,641,482	+54.098%
2025-12-05	1.2100	1.2600	1.1900	1.2200	+0.826%	1,355,035	+54.098%
2025-12-04	1.1200	1.2500	1.1100	1.2100	+6.140%	2,784,870	+55.372%
2025-12-03	1.1400	1.1566	1.0900	1.1400	0.000%	2,416,340	+64.912%
2025-12-02	1.2300	1.2400	1.1300	1.1400	-7.317%	1,397,653	+64.912%
2025-12-01	1.3000	1.3200	1.2150	1.2300	-7.519%	1,214,564	+52.846%
2025-11-28	1.3600	1.3600	1.3000	1.3300	-1.481%	569,033	+41.353%
2025-11-26	1.2700	1.3900	1.2700	1.3500	+5.469%	1,337,791	+39.259%
2025-11-25	1.2800	1.3395	1.2600	1.2800	0.000%	820,750	+46.875%
2025-11-24	1.2600	1.3000	1.2600	1.2800	+3.226%	1,358,368	+46.875%
2025-11-21	1.2000	1.2850	1.1900	1.2400	+3.333%	1,065,071	+51.613%
2025-11-20	1.2600	1.3500	1.1900	1.2000	-1.639%	2,111,676	+56.667%
2025-11-19	1.2800	1.3500	1.2100	1.2200	-3.937%	1,528,659	+54.098%
2025-11-18	1.2400	1.3300	1.2100	1.2700	+2.419%	1,708,628	+48.031%
2025-11-17	1.1900	1.2950	1.1600	1.2400	0.000%	1,615,228	+51.613%
2025-11-14	1.2300	1.2950	1.2100	1.2400	+3.333%	1,647,681	+51.613%
2025-11-13	1.3200	1.3600	1.1950	1.2000	-10.448%	2,597,105	+56.667%
2025-11-12	1.3400	1.4350	1.3000	1.3400	-1.471%	2,698,220	+40.299%
2025-11-11	1.3000	1.3850	1.3000	1.3600	+3.817%	1,342,358	+38.235%
2025-11-10	1.2700	1.4094	1.2600	1.3100	+2.344%	1,712,399	+43.511%
2025-11-07	1.2700	1.2900	1.1700	1.2800	-1.538%	1,976,865	+46.875%
2025-11-06	1.2500	1.3350	1.2200	1.3000	+3.586%	2,363,479	+44.615%
2025-11-05	1.3200	1.3300	1.2500	1.2550	-4.924%	1,772,300	+49.801%
2025-11-04	1.4000	1.4350	1.2900	1.3200	-8.333%	2,687,747	+42.424%
2025-11-03	1.4600	1.5000	1.3900	1.4400	-2.041%	1,642,204	+30.556%
2025-10-31	1.5200	1.5600	1.4000	1.4700	-3.289%	4,416,999	+27.891%
2025-10-30	1.5500	1.6550	1.5000	1.5200	-1.935%	2,580,787	+23.684%
2025-10-29	1.5100	1.6800	1.4900	1.5500	+3.333%	6,821,279	+21.290%
2025-10-28	1.4800	1.5450	1.4450	1.5000	0.000%	3,881,668	+25.333%
2025-10-27	1.5400	1.6000	1.5000	1.5000	0.000%	3,725,150	+25.333%
2025-10-24	1.4700	1.5350	1.3300	1.5000	+2.041%	6,633,770	+25.333%
2025-10-23	1.6100	1.6800	1.4600	1.4700	-8.696%	7,621,254	+27.891%
2025-10-22	1.5400	1.7250	1.4900	1.6100	-49.844%	48,992,213	+16.770%
2025-10-21	3.2200	3.2700	3.0900	3.2100	-3.021%	4,470,697	-41.433%
2025-10-20	3.0500	3.3350	3.0300	3.3100	+8.882%	1,166,403	-43.202%
2025-10-17	3.1600	3.3300	3.0300	3.0400	-5.590%	1,043,296	-38.158%
2025-10-16	3.2200	3.3999	3.1550	3.2200	+0.940%	1,757,577	-41.615%
2025-10-15	2.9000	3.2300	2.8800	3.1900	+6.689%	1,724,446	-41.066%
2025-10-14	3.0000	3.0656	2.8700	2.9900	-1.645%	987,677	-37.124%
2025-10-13	3.0000	3.0700	2.9050	3.0400	+0.662%	1,163,711	-38.158%
2025-10-10	3.1950	3.2400	3.0000	3.0200	-3.822%	866,037	-37.748%
2025-10-09	3.0800	3.2250	3.0601	3.1400	+1.948%	1,112,107	-40.127%
2025-10-08	3.1000	3.2500	3.0600	3.0800	+0.326%	1,021,153	-38.961%
2025-10-07	3.1500	3.2100	3.0400	3.0700	-3.459%	1,064,291	-38.762%
2025-10-06	3.2600	3.2945	3.1000	3.1800	-4.217%	983,913	-40.881%
2025-10-03	3.1900	3.3300	3.1100	3.3200	+5.063%	2,591,020	-43.373%
2025-10-02	3.0000	3.1700	2.9700	3.1600	+5.333%	1,069,700	-40.506%
2025-10-01	2.8600	3.0300	2.8400	3.0000	+1.351%	1,028,582	-37.333%
2025-09-30	3.0000	3.0500	2.8300	2.9600	-2.951%	964,940	-36.486%
2025-09-29	3.0900	3.1600	3.0050	3.0500	-1.613%	555,897	-38.361%
2025-09-26	2.9400	3.1550	2.9200	3.1000	+5.802%	1,024,457	-39.355%
2025-09-25	3.1000	3.2000	2.8808	2.9300	-7.278%	1,095,043	-35.836%
2025-09-24	3.1700	3.2800	3.1200	3.1600	-0.629%	576,227	-40.506%
2025-09-23	3.1700	3.2800	3.1200	3.1800	0.000%	949,205	-40.881%
2025-09-22	2.9700	3.2550	2.9500	3.1800	+4.950%	1,113,351	-40.881%
2025-09-19	3.1500	3.1500	3.0100	3.0300	-3.195%	2,304,806	-37.954%
2025-09-18	3.0000	3.1700	2.9200	3.1300	+6.102%	708,580	-39.936%
2025-09-17	2.7700	3.1800	2.7600	2.9500	+6.884%	1,322,444	-36.271%
2025-09-16	2.9500	2.9800	2.7500	2.7600	-6.757%	581,567	-31.884%
2025-09-15	2.7500	2.9600	2.7100	2.9600	+7.636%	924,972	-36.486%
2025-09-12	2.8400	2.9550	2.7400	2.7500	-4.181%	6,128,211	-31.636%
2025-09-11	2.8500	3.0000	2.7800	2.8700	+1.056%	436,445	-34.495%
2025-09-10	2.7800	2.8800	2.7600	2.8400	+1.429%	867,993	-33.803%
2025-09-09	2.7500	2.8500	2.7100	2.8000	+1.449%	673,950	-32.857%
2025-09-08	3.0000	3.0000	2.7400	2.7600	-8.306%	1,266,674	-31.884%
2025-09-05	2.8300	3.0700	2.8300	3.0100	+6.738%	1,658,380	-37.542%
2025-09-04	2.7900	2.8950	2.7100	2.8200	+1.075%	1,039,133	-33.333%
2025-09-03	2.6200	2.8600	2.6200	2.7900	+7.722%	1,557,471	-32.616%
2025-09-02	2.3000	2.6490	2.3000	2.5900	+10.213%	1,750,060	-27.413%
2025-08-29	2.3900	2.4400	2.3100	2.3500	-1.674%	465,077	-20.000%
2025-08-28	2.4200	2.5099	2.3800	2.3900	-0.417%	712,935	-21.339%
2025-08-27	2.3600	2.5500	2.3300	2.4000	+1.695%	683,803	-21.667%
2025-08-26	2.3400	2.4089	2.3100	2.3600	+0.855%	625,614	-20.339%
2025-08-25	2.5300	2.5600	2.3300	2.3400	-7.143%	841,400	-19.658%
2025-08-22	2.2900	2.5600	2.2900	2.5200	+11.013%	1,343,977	-25.397%
2025-08-21	2.1900	2.2850	2.0900	2.2700	+3.182%	677,949	-17.181%
2025-08-20	2.1500	2.2300	2.0326	2.2000	+1.852%	1,290,107	-14.545%
2025-08-19	2.0900	2.2850	2.0900	2.1600	+1.408%	1,404,291	-12.963%
2025-08-18	2.2400	2.3200	2.1000	2.1300	-5.333%	1,392,705	-11.737%
2025-08-15	2.4500	2.4500	2.2200	2.2500	-8.537%	1,610,659	-16.444%
2025-08-14	2.1400	2.5000	2.1250	2.4600	+12.844%	2,445,303	-23.577%
2025-08-13	2.0200	2.2300	2.0100	2.1800	+9.000%	1,549,461	-13.761%
2025-08-12	2.2500	2.3000	1.9900	2.0000	-10.314%	1,725,358	-6.000%
2025-08-11	2.2000	2.4150	2.1050	2.2300	+3.721%	4,210,220	-15.695%
2025-08-08	1.6300	2.2200	1.5400	2.1500	+47.260%	8,927,432	-12.558%
2025-08-07	1.4300	1.4700	1.4200	1.4600	+2.098%	651,832	+28.767%
2025-08-06	1.5700	1.5700	1.4300	1.4300	-8.333%	518,435	+31.469%
2025-08-05	1.5600	1.5950	1.5100	1.5600	+0.645%	603,534	+20.513%
2025-08-04	1.4500	1.5500	1.4347	1.5500	+6.897%	487,370	+21.290%
2025-08-01	1.4700	1.4900	1.4200	1.4500	-2.685%	737,122	+29.655%
2025-07-31	1.6000	1.6350	1.4650	1.4900	-6.875%	651,233	+26.174%
2025-07-30	1.6300	1.7300	1.5600	1.6000	-0.621%	657,189	+17.500%
2025-07-29	1.7900	1.8100	1.6000	1.6100	-8.523%	627,610	+16.770%
2025-07-28	1.9100	1.9993	1.7600	1.7600	0.000%	1,221,630	+6.818%
2025-07-25	1.8000	1.8000	1.7400	1.7600	-1.676%	297,049	+6.818%
2025-07-24	1.7600	1.8100	1.7450	1.7900	+0.562%	357,453	+5.028%
2025-07-23	1.7400	1.8095	1.7100	1.7800	+3.488%	367,288	+5.618%
2025-07-22	1.6300	1.7400	1.6200	1.7200	+6.173%	390,643	+9.302%
2025-07-21	1.5700	1.6600	1.5600	1.6200	+1.887%	409,238	+16.049%
2025-07-18	1.6700	1.6992	1.5800	1.5900	-4.790%	301,448	+18.239%
2025-07-17	1.5500	1.6700	1.5500	1.6700	+7.051%	366,184	+12.575%
2025-07-16	1.5900	1.6000	1.5300	1.5600	+0.645%	321,138	+20.513%
2025-07-15	1.6900	1.6900	1.5400	1.5500	-7.186%	297,161	+21.290%
2025-07-14	1.6000	1.6900	1.5750	1.6700	+3.727%	233,741	+12.575%
2025-07-11	1.6900	1.7050	1.6000	1.6100	-6.395%	254,301	+16.770%
2025-07-10	1.6400	1.7450	1.6200	1.7200	+4.242%	711,080	+9.302%
2025-07-09	1.5200	1.6900	1.5100	1.6500	+8.553%	565,502	+13.939%
2025-07-08	1.4500	1.5600	1.4500	1.5200	+5.556%	455,325	+23.684%
2025-07-07	1.4900	1.4900	1.4100	1.4400	-4.636%	306,464	+30.556%
2025-07-03	1.5000	1.5100	1.4400	1.5100	+0.667%	233,289	+24.503%
2025-07-02	1.4300	1.5600	1.4200	1.5000	+5.634%	422,549	+25.333%
2025-07-01	1.3800	1.5100	1.3400	1.4200	+1.429%	439,740	+32.394%
2025-06-30	1.4900	1.4900	1.3650	1.4000	-5.405%	679,974	+34.286%
2025-06-27	1.5100	1.5100	1.4400	1.4800	-1.333%	2,122,416	+27.027%
2025-06-26	1.4800	1.5050	1.4300	1.5000	+0.671%	362,920	+25.333%
2025-06-25	1.4900	1.5150	1.4000	1.4900	0.000%	376,614	+26.174%
2025-06-24	1.4800	1.5350	1.3800	1.4900	+8.364%	398,542	+26.174%
2025-06-23	1.4700	1.4700	1.3550	1.3750	-6.463%	332,692	+36.727%
2025-06-20	1.4700	1.4998	1.4200	1.4700	+0.685%	709,033	+27.891%
2025-06-18	1.5100	1.5900	1.4450	1.4600	-3.947%	494,503	+28.767%
2025-06-17	1.4900	1.6190	1.4900	1.5200	+0.662%	496,269	+23.684%
2025-06-16	1.5300	1.5400	1.3701	1.5100	-1.948%	740,993	+24.503%
2025-06-13	1.5700	1.5900	1.4700	1.5400	-4.938%	408,838	+22.078%
2025-06-12	1.6100	1.6300	1.5600	1.6200	-0.613%	322,356	+16.049%
2025-06-11	1.6100	1.6899	1.5700	1.6300	+2.516%	509,761	+15.337%
2025-06-10	1.4300	1.6000	1.4200	1.5900	+10.417%	718,728	+18.239%
2025-06-09	1.5000	1.5099	1.4000	1.4400	-3.356%	360,496	+30.556%
2025-06-06	1.4400	1.5500	1.4200	1.4900	+5.674%	738,631	+26.174%
2025-06-05	1.5500	1.5500	1.4050	1.4100	-9.032%	351,850	+33.333%
2025-06-04	1.4800	1.5700	1.4800	1.5500	+4.730%	656,880	+21.290%
2025-06-03	1.3700	1.4800	1.3350	1.4800	+7.246%	562,133	+27.027%
2025-06-02	1.3200	1.4100	1.2800	1.3800	+3.759%	1,065,663	+36.232%
2025-05-30	1.4200	1.4200	1.3000	1.3300	-6.338%	412,690	+41.353%
2025-05-29	1.4600	1.4600	1.3900	1.4200	0.000%	638,171	+32.394%
2025-05-28	1.2900	1.4550	1.2600	1.4200	+12.698%	952,612	+32.394%
2025-05-27	1.2500	1.3000	1.2200	1.2600	+1.613%	667,176	+49.206%
2025-05-23	1.2600	1.2950	1.2200	1.2400	-5.344%	954,836	+51.613%
2025-05-22	1.3500	1.4000	1.2650	1.3100	+4.800%	2,266,893	+43.511%
2025-05-21	1.3300	1.3600	1.2500	1.2500	-8.759%	1,255,257	+50.400%
2025-05-20	1.2500	1.4200	1.2450	1.3700	+7.874%	2,280,276	+37.226%
2025-05-19	1.2000	1.3000	1.1900	1.2700	+4.098%	848,332	+48.031%
2025-05-16	1.1000	1.2700	1.0850	1.2200	+10.407%	1,807,251	+54.098%
2025-05-15	1.0700	1.1100	1.0100	1.1050	+3.271%	1,328,660	+70.136%
2025-05-14	1.1100	1.1500	1.0550	1.0700	-3.604%	3,168,661	+75.701%
2025-05-13	1.2100	1.2200	1.1000	1.1100	-7.500%	921,208	+69.369%
2025-05-12	1.2300	1.2590	1.1850	1.2000	+2.564%	1,166,015	+56.667%
2025-05-09	1.0400	1.2150	1.0100	1.1700	+12.500%	1,411,306	+60.684%
2025-05-08	1.0100	1.0700	0.9728	1.0400	+1.961%	753,952	+80.769%
2025-05-07	1.0500	1.0500	1.0000	1.0200	-2.857%	693,367	+84.314%
2025-05-06	1.1300	1.1300	1.0400	1.0500	-9.483%	918,424	+79.048%
2025-05-05	1.2700	1.2950	1.1500	1.1600	-10.769%	696,422	+62.069%
2025-05-02	1.2200	1.3400	1.2200	1.3000	+6.557%	1,282,098	+44.615%
2025-05-01	1.2200	1.2300	1.1100	1.2200	+1.667%	1,607,225	+54.098%
2025-04-30	1.1100	1.2100	1.0700	1.2000	+6.195%	1,543,479	+56.667%
2025-04-29	1.1700	1.1800	1.1200	1.1300	-2.586%	373,008	+66.372%
2025-04-28	1.1500	1.1800	1.1150	1.1600	+1.754%	605,659	+62.069%
2025-04-25	1.1800	1.1950	1.1300	1.1400	-3.390%	452,274	+64.912%
2025-04-24	1.1700	1.1950	1.1450	1.1800	+1.724%	553,447	+59.322%
2025-04-23	1.1600	1.2400	1.1200	1.1600	+4.505%	1,703,718	+62.069%
2025-04-22	0.9915	1.1450	0.9915	1.1100	+14.033%	2,733,143	+69.369%
2025-04-21	0.9201	0.9900	0.9040	0.9734	+5.793%	673,509	+93.137%
2025-04-17	0.9805	1.0300	0.9130	0.9201	-5.949%	471,655	+104.326%
2025-04-16	1.0400	1.0500	0.9416	0.9783	-9.417%	628,240	+92.170%
2025-04-15	1.0300	1.0850	1.0000	1.0800	+10.114%	1,060,403	+74.074%
2025-04-14	0.9800	1.0000	0.9414	0.9808	+3.242%	481,895	+91.680%
2025-04-11	0.9002	0.9681	0.9000	0.9500	+5.054%	565,681	+97.895%
2025-04-10	0.9646	0.9888	0.8808	0.9043	-7.668%	461,134	+107.896%

.dark-mode .symqqj{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .symqqj{ color: #333333; background-color: white; border: 2px solid #333333; }ALECAlector, Inc. Common Stockstock NASDAQ

ALEC
Alector, Inc. Common Stock
stock NASDAQ