Quick Takeaways
- TCG Crossover GP II, LLC filed SCHEDULE 13G/A for Tango Therapeutics, Inc. Common Stock, par value $0.001 per share (TNGX).
- Disclosed ownership: 10%.
- Date of event: 31 Dec 2025.
TCG Crossover GP II, LLC - 31 Dec 2025 SCHEDULE 13G/A Report for Tango Therapeutics, Inc. Common Stock, par value $0.001 per share (TNGX)
- Filing Manager
- TCG Crossover GP II, LLC
- Reporting Manager
- TCG Crossover GP II, L.P.
- Symbol
- TNGX
- Shares outstanding
- 135,353,744 shares
- Disclosed Ownership
- 13,521,839 shares
- Ownership
- 10%
- Form type
- SCHEDULE 13G/A
- Filing time
- 17 Feb 2026, 16:22:39 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 14 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"TCG Crossover GP II, LLC disclosed 10% ownership in Tango Therapeutics, Inc. Common Stock, par value $0.001 per share (TNGX) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 14 Nov 2025.
- Current filing was accepted on 17 Feb 2026, 16:22.
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.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| TCG Crossover GP II, L.P. | 10% | 13,521,839 | 0 | 13,521,839 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| TCG Crossover Fund II, L.P. | 10% | 13,521,839 | 0 | 13,521,839 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| Chen Yu | 10% | 13,521,839 | 0 | 13,521,839 | /s/ Craig Skaling | Craig Skaling, as Attorney-in-Fact for Chen Yu |