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Filing
SCHEDULE 13G/A
SCHEDULE 13G/A0001193125-26-041267·Alector, Inc.
Schedule 13G ownership disclosure
Alector Inc
Common Stock, $0.0001 par value per share · CUSIP: 014442107
Event date: 2025-12-31
- Filing-level shares
- 8,213,925
- Percent of class
- 7.4%
- Arnon Rosenthal
Shares: 8,213,925 · Class: 7.4%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001193125-26-041267
- Form type
- SCHEDULE 13G/A
- Filer
- Alector, Inc.
- CIK
- CIK 1653087
- Filed
- Feb 06, 2026
- Reporting period
- Dec 31, 2025
- Description
- Schedule 13G beneficial ownership