Quick Takeaways
- TCG Crossover GP II, LLC filed SCHEDULE 13G for Altimmune, Inc. Common Stock, par value $0.0001 per share (ALT).
- Disclosed ownership: 9.8%.
- Date of event: 24 Apr 2026.
TCG Crossover GP II, LLC - 24 Apr 2026 SCHEDULE 13G Report for Altimmune, Inc. Common Stock, par value $0.0001 per share (ALT)
- Filing Manager
- TCG Crossover GP II, LLC
- Reporting Manager
- Chen Yu
- Symbol
- ALT
- Shares outstanding
- 204,081,633 shares
- Disclosed Ownership
- 20,000,000 shares
- Ownership
- 9.8%
- Form type
- SCHEDULE 13G
- Filing time
- 01 May 2026, 16:36:47 UTC
- Date of event
- 24 Apr 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"TCG Crossover GP II, LLC disclosed 9.8% ownership in Altimmune, Inc. Common Stock, par value $0.0001 per share (ALT) on 24 Apr 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 01 May 2026, 16:36.
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
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (5)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| TCG Crossover GP II, LLC | 5% | 10,000,000 | 0 | 10,000,000 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| TCG Crossover Fund II, L.P. | 5% | 10,000,000 | 0 | 10,000,000 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| TCG Crossover GP III, LLC | 5% | 10,000,000 | 0 | 10,000,000 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| TCG Crossover Fund III, L.P. | 5% | 10,000,000 | 0 | 10,000,000 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| Chen Yu | 9.8% | 20,000,000 | 0 | 20,000,000 | /s/ Craig Skaling | Craig Skaling, as Attorney-in-Fact for Chen Yu |