Filing Manager
Fortress Biotech, Inc.
Reporting Manager
Fortress Biotech, Inc.
Symbol
ATXI
Shares outstanding
3,283,246 shares
Disclosed Ownership
439,955 shares
Ownership
13%
Form type
SCHEDULE 13D/A
Filing time
06 Jan 2026, 16:11:21 UTC
Date of event
02 Jan 2026
Previous filing
02 Apr 2025

Quoteable Key Fact

"Fortress Biotech, Inc. disclosed 13% ownership in Avenue Therapeutics, Inc. Common Stock, $0.0001 Par Value (ATXI) on 02 Jan 2026."

Quick Takeaways

  • Fortress Biotech, Inc. filed SCHEDULE 13D/A for Avenue Therapeutics, Inc. Common Stock, $0.0001 Par Value (ATXI).
  • Disclosed ownership: 13%.
  • Date of event: 02 Jan 2026.

What Changed

  • Previous schedule filing date: 02 Apr 2025.
  • Current filing was accepted on 06 Jan 2026, 16:11.

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
Fortress Biotech, Inc. 13% 439,955 439,955 0 /s/ Lindsay A. Rosenwald Lindsay A. Rosenwald, M.D. / Chairman, President and Chief Executive Officer 0001429260