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ALECNasdaq
Alector, Inc.
Biological Products, (No Diagnostic Substances) · CIK 1653087
Alector develops therapies for neurodegenerative diseases using its proprietary platform
$170M
Market cap
$2.08
Last close
+11.8%
1D
+16.9%
5D
544K
Volume
Price · last 39 sessions-17.1%
May 4L $1.48 · H $2.57Jun 29
148
Total filings
Jun 17, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteJun 17, 20268-KMaterial AgreementMay 7, 2026424B5424B5May 7, 202610-Q10-QMay 7, 20268-KResults of OperationsMay 7, 2026DEFA14ADEFA14AApr 28, 2026DEF 14ADEF 14AApr 28, 202610-K10-KFeb 25, 20268-KResults of OperationsFeb 25, 20268-KExecutive ChangeDec 12, 202510-Q10-QNov 6, 20258-KResults of OperationsNov 6, 20258-KExecutive Change · Results of OperationsOct 21, 202510-Q10-QAug 7, 20258-KResults of OperationsAug 7, 20258-KExecutive Change · Shareholder VoteJun 13, 202510-Q10-QMay 8, 20258-KResults of OperationsMay 8, 2025DEFA14ADEFA14AApr 24, 2025DEF 14ADEF 14AApr 24, 20258-KExecutive ChangeMar 28, 20258-KExit / Disposal CostsMar 10, 202510-K10-KFeb 26, 20258-KResults of OperationsFeb 26, 20258-KCompany UpdateJan 10, 2025SC 13GSC 13GDec 6, 20248-KExit / Disposal Costs · Reg FD DisclosureNov 25, 20248-KMaterial Agreement · New Debt / ObligationNov 14, 202410-Q10-QNov 6, 20248-KResults of OperationsNov 6, 202410-Q10-QAug 7, 20248-KResults of OperationsAug 7, 20248-KShareholder VoteJun 12, 202410-Q10-QMay 8, 20248-KResults of OperationsMay 8, 2024DEFA14ADEFA14AApr 25, 2024DEF 14ADEF 14AApr 25, 20248-KExecutive ChangeMar 21, 202410-K10-KFeb 27, 20248-KResults of OperationsFeb 27, 2024SC 13GMS INITIALFeb 12, 2024SC 13GSC 13GFeb 8, 20248-KMaterial Agreement · Company UpdateJan 19, 2024424B5424B5Jan 19, 20248-KResults of OperationsJan 16, 2024424B5424B5Jan 16, 20248-KMaterial AgreementNov 7, 2023424B5424B5Nov 7, 202310-Q10-QNov 7, 20238-KResults of OperationsNov 7, 202310-Q10-QAug 3, 20238-KResults of OperationsAug 3, 20238-KBylaw Amendment · Shareholder VoteJun 15, 202310-Q10-QMay 4, 20238-KResults of OperationsMay 4, 20238-KExecutive ChangeApr 27, 2023DEFA14ADEFA14AApr 27, 2023DEF 14ADEF 14AApr 27, 20238-KExit / Disposal CostsMar 29, 20238-KReg FD DisclosureMar 13, 202310-K10-KFeb 28, 20238-KResults of OperationsFeb 28, 202310-Q10-QNov 8, 20228-KResults of OperationsNov 8, 20228-KExecutive ChangeOct 6, 20228-KExecutive ChangeSep 26, 202210-Q10-QAug 4, 20228-KResults of OperationsAug 4, 20228-KCompany UpdateJul 7, 20228-KShareholder VoteJun 21, 202210-Q10-QMay 5, 20228-KResults of OperationsMay 5, 2022DEFA14ADEFA14AApr 28, 2022DEF 14ADEF 14AApr 28, 20228-KExecutive ChangeMar 29, 202210-K10-KFeb 24, 20228-KResults of OperationsFeb 24, 2022SC 13GSC 13GFeb 14, 2022SC 13GSC 13GFeb 9, 20228-KExecutive ChangeFeb 7, 2022
Insider Activity
In the 90 days to Mar 10, 2026: 3 sold $273K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 10, 2026 | Wong-Sarad GracePrincipal Accounting Officer | Sell | 1,000 | $2.65 | $3K |
| Mar 3, 2026 | Wong-Sarad GracePrincipal Accounting Officer | Sell | 3,367 | $2.08 | $7K |
| Mar 2, 2026 | Rosenthal ArnonChief Executive Officer | Sell | 81,864 | $2.12 | $174K |
| Mar 2, 2026 | Berkley Neil LindsayCFO & Chief Business Officer | Sell | 29,649 | $2.12 | $63K |
| Mar 2, 2026 | Wong-Sarad GracePrincipal Accounting Officer | Sell | 8,071 | $2.12 | $17K |
| Feb 26, 2026 | Wong-Sarad GracePrincipal Accounting Officer | Sell | 4,079 | $2.50 | $10K |
| Dec 5, 2025 | Wong-Sarad GracePrincipal Accounting Officer | Sell | 4,753 | $1.21 | $6K |
| Dec 3, 2025 | Rosenthal ArnonChief Executive Officer | Sell | 104,347 | $1.12 | $117K |
| Dec 3, 2025 | Kenkare-Mitra SaraPresident and Head of R&D | Sell | 41,687 | $1.12 | $47K |
| Dec 3, 2025 | Berkley Neil LindsayChief Bus Ofcr & Interim CFO | Sell | 37,261 | $1.12 | $42K |
| Dec 3, 2025 | Wong-Sarad GracePrincipal Accounting Officer | Sell | 8,056 | $1.12 | $9K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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