Alector, Inc.
ALEC · Biological Products, (No Disgnostic Substances)
Latest available SEC filing: 4 ·
Latest disclosures
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Rosenthal Arnon: Form 4
Insider disclosure · Filed · Report period 13 Oct 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Latest financial period: Q2 2026
Financial facts · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- ALEC · 014442107 - Common Stock, $0.0001 par value per share
Company details and SEC sources
CIK 0001653087 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- ALEC on Nasdaq
- SEC industry group
- Biological Products, (No Disgnostic Substances) (Office of Life Sciences)
- Business address
- 131 Oyster Point Blvd., Suite 600, South San Francisco, CA, 94080
- Fiscal year end
- 31 December
- Former names on EDGAR
- Alector LLC (to 16 Sep 2015)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields