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Last Close
Apr 28  •  04:00PM ET
2.39
Dollar change
+0.04
Percentage change
1.70
%
Index
RUT
P/E
-
EPS (ttm)
-1.39
Insider Own
32.28%
Shs Outstand
110.36M
Perf Week
-2.85%
Market Cap
263.76M
Forward P/E
-
EPS next Y
-0.88
Insider Trans
-0.91%
Shs Float
74.74M
Perf Month
19.50%
Enterprise Value
43.97M
PEG
-
EPS next Q
-0.28
Inst Own
58.67%
Perf Quarter
22.56%
Income
-142.93M
P/S
12.53
EPS this Y
33.56%
Inst Trans
0.35%
Perf Half Y
59.33%
Sales
21.05M
P/B
8.61
EPS next Y
4.56%
ROA
-37.54%
Perf YTD
53.21%
Book/sh
0.28
P/C
1.03
EPS next 5Y
15.96%
ROE
-181.56%
52W High
3.40 -29.70%
Perf Year
106.03%
Cash/sh
2.32
P/FCF
-
EPS past 3/5Y
4.96% 10.72%
ROIC
-248.75%
52W Low
0.97 145.68%
Perf 3Y
-63.79%
Dividend Est.
-
EV/EBITDA
-
Sales past 3/5Y
-46.00% -0.05%
Gross Margin
54.09%
Volatility
7.20% 8.02%
Perf 5Y
-87.33%
Dividend TTM
-
EV/Sales
2.09
EPS Y/Y TTM
-12.17%
Oper. Margin
-692.83%
ATR (14)
0.18
Perf 10Y
-
Dividend Ex-Date
-
Quick Ratio
3.83
Sales Y/Y TTM
-79.07%
Profit Margin
-679.16%
RSI (14)
51.10
Dividend Gr. 3/5Y
- -
Current Ratio
3.83
EPS Q/Q
-1512.80%
SMA20
-2.07%
Beta
0.64
Payout
-
Debt/Eq
1.18
Sales Q/Q
-88.50%
SMA50
5.52%
Rel Volume
0.38
Prev Close
2.35
Employees
103
LT Debt/Eq
0.87
SMA200
16.21%
Avg Volume
786.41K
Price
2.39
IPO
Feb 07, 2019
Option/Short
Yes / Yes
Trades
Volume
297,067
Change
1.70%
Date Action Analyst Rating Change Price Target Change
Apr-15-26Upgrade Cantor Fitzgerald Neutral → Overweight
Mar-10-26Upgrade BTIG Research Neutral → Buy $6
Oct-22-25Downgrade William Blair Outperform → Mkt Perform
Oct-22-25Downgrade TD Cowen Buy → Hold
Oct-22-25Downgrade Mizuho Outperform → Neutral $1.50
Oct-22-25Downgrade Cantor Fitzgerald Overweight → Neutral
Oct-22-25Downgrade BTIG Research Buy → Neutral
Jul-28-25Upgrade Mizuho Neutral → Outperform $3.50
Dec-17-24Downgrade Mizuho Outperform → Neutral $9 → $2.50
Dec-16-24Downgrade Stifel Buy → Hold $4
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Alector, Inc. operates as a clinical-stage biopharmaceutical company, which engages in pioneering of immuno-neurology. It develops portfolio of innate immune system programs, designed to functionally repair genetic mutations and enable the rejuvenated immune cells to counteract emerging brain pathologies. Its treatment targets immune dysfunction as a root cause of multiple pathologies that are drivers of degenerative brain disorders. The company was founded by Asa Abeliovich, Errik B. Anderson, Tillman U. Gerngross, and Arnon Rosenthal in May 2013 and is headquartered in South San Francisco, CA.
Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total SEC Form 4
Wong-Sarad GracePrincipal Accounting OfficerApr 16 '26Sale2.651,8204,823104,645Apr 17 05:30 PM
GRACE WONG-SARADOfficerApr 16 '26Proposed Sale2.651,8204,823Apr 16 04:31 PM
Wong-Sarad GracePrincipal Accounting OfficerMar 10 '26Sale2.651,0002,650106,465Mar 12 07:30 PM
GRACE WONG-SARADOfficerMar 10 '26Proposed Sale2.651,0002,650Mar 10 05:16 PM
Wong-Sarad GracePrincipal Accounting OfficerMar 03 '26Sale2.083,3677,012107,465Mar 03 06:01 PM
GRACE WONG-SARADOfficerMar 03 '26Proposed Sale2.083,3677,012Mar 03 05:08 PM
Wong-Sarad GracePrincipal Accounting OfficerMar 02 '26Sale2.128,07117,138110,832Mar 03 04:05 PM
Rosenthal ArnonChief Executive OfficerMar 02 '26Sale2.1281,864173,8222,338,176Mar 03 04:05 PM
Berkley Neil LindsayCFO & Chief Business OfficerMar 02 '26Sale2.1229,64962,954344,660Mar 03 04:05 PM
Neil L. BerkleyOfficerMar 02 '26Proposed Sale2.4323,16156,281Feb 27 06:10 PM
Arnon RosenthalOfficerMar 02 '26Proposed Sale2.4367,571164,198Feb 27 06:10 PM
Grace Wong-SaradOfficerMar 02 '26Proposed Sale2.436,29715,302Feb 27 06:10 PM
Wong-Sarad GracePrincipal Accounting OfficerFeb 26 '26Sale2.504,07910,198118,903Feb 26 06:11 PM
GRACE WONG-SARADOfficerFeb 26 '26Proposed Sale2.504,07910,198Feb 26 04:29 PM
Wong-Sarad GracePrincipal Accounting OfficerDec 05 '25Sale1.214,7535,751122,982Dec 08 06:03 PM
GRACE WONG-SARADOfficerDec 05 '25Proposed Sale1.214,7535,751Dec 05 04:09 PM
Wong-Sarad GracePrincipal Accounting OfficerDec 03 '25Sale1.128,0569,019127,735Dec 03 09:07 PM
Rosenthal ArnonChief Executive OfficerDec 03 '25Sale1.12104,347116,8272,420,040Dec 03 09:06 PM
Kenkare-Mitra SaraPresident and Head of R&DDec 03 '25Sale1.1241,68746,673501,652Dec 03 09:05 PM
Berkley Neil LindsayChief Bus Ofcr & Interim CFODec 03 '25Sale1.1237,26141,717374,309Dec 03 09:04 PM
Arnon RosenthalOfficerDec 01 '25Proposed Sale1.2392,427113,685Dec 01 07:53 PM
Neil L. BerkleyOfficerDec 01 '25Proposed Sale1.2332,99240,580Dec 01 07:50 PM
Grace Wong-SaradOfficerDec 01 '25Proposed Sale1.237,0858,715Dec 01 07:49 PM
Sara Kenkare-MitraOfficerDec 01 '25Proposed Sale1.2336,91445,404Dec 01 07:48 PM
Wong-Sarad GracePrincipal Accounting OfficerSep 02 '25Sale2.505,91014,756103,448Sep 04 04:33 PM
Berkley Neil LindsayPrincipal Financial OfficerSep 02 '25Sale2.5015,84239,554346,570Sep 04 04:32 PM
Kenkare-Mitra SaraPresident and Head of R&DSep 02 '25Sale2.5023,63859,019543,339Sep 04 04:29 PM
Rosenthal ArnonChief Executive OfficerSep 02 '25Sale2.5051,562128,7402,350,220Sep 04 04:27 PM
Neil L. BerkleyOfficerSep 02 '25Proposed Sale2.3515,42636,251Aug 29 06:25 PM
Arnon RosenthalOfficerSep 02 '25Proposed Sale2.3550,242118,069Aug 29 06:23 PM
Grace Wong-SaradOfficerSep 02 '25Proposed Sale2.355,71713,435Aug 29 06:20 PM
Sara Kenkare-MitraOfficerSep 02 '25Proposed Sale2.3523,01954,095Aug 29 06:17 PM
Hammond PaulaDirectorAug 26 '25Sale2.3614,00032,99874,909Aug 27 06:37 PM
PAULA HAMMONDDirectorAug 26 '25Proposed Sale2.3614,00032,997Aug 26 04:07 PM
MARC GRASSOOfficerAug 08 '25Proposed Sale2.0076,446152,892Aug 08 05:22 PM
Yaffe KristineDirectorJun 20 '25Sale1.441,0001,44095,409Jun 23 04:05 PM
GRASSO MARCChief Financial OfficerJun 02 '25Sale1.3416,48822,068296,072Jun 04 04:21 PM
Kenkare-Mitra SaraPresident and Head of R&DJun 02 '25Sale1.3423,89031,974512,252Jun 04 04:19 PM
Rosenthal ArnonChief Executive OfficerJun 02 '25Sale1.3452,08769,7132,414,657Jun 04 04:18 PM
Sara Kenkare-MitraOfficerJun 02 '25Proposed Sale1.3323,02030,617May 30 05:10 PM
Marc GrassoOfficerJun 02 '25Proposed Sale1.3315,87321,111May 30 05:10 PM
Arnon RosenthalOfficerJun 02 '25Proposed Sale1.3350,24266,822May 30 05:10 PM