Schedule 13G ownership disclosure

Alector Inc

Common Stock, $0.0001 par value · CUSIP: 014442107

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • RTW Investments, LP

    Shares: 6,990,806.00 · Class: 6.9%

  • Roderick Wong

    Shares: 6,990,806.00 · Class: 6.9%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001493215-25-000035
Form type
SCHEDULE 13G
Filer
Alector, Inc.
CIK
CIK 1653087
Filed
Nov 14, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

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