Muneer A. Satter - 19 Nov 2025 SCHEDULE 13D/A Report for Annexon, Inc. Common Stock, par value $0.001 (ANNX)

Filing Manager
Muneer A. Satter
Reporting Manager
Satter Muneer A
Security
Annexon, Inc. Common Stock, par value $0.001
Symbol
ANNX
Shares outstanding
145,057,417 shares
Disclosed Ownership
10,444,134 shares
Ownership
7.2%
Form type
SCHEDULE 13D/A
Filing time
21 Nov 2025, 19:27:18 UTC
Date of event
19 Nov 2025
SEC
View on sec.gov

Quoteable Key Fact

"Muneer A. Satter disclosed 7.2% ownership in Annexon, Inc. Common Stock, par value $0.001 (ANNX) on 19 Nov 2025."

Quick Takeaways

  • Muneer A. Satter filed SCHEDULE 13D/A for Annexon, Inc. Common Stock, par value $0.001 (ANNX).
  • Disclosed ownership: 7.2%.
  • Date of event: 19 Nov 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 21 Nov 2025, 19:27.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Satter Muneer A 7.2% 10,444,134 10,444,134 0 /s/ Muneer Satter Satter Muneer A 0001315797