| UNITED STATES |
| SECURITIES AND EXCHANGE COMMISSION |
| Washington, D.C. 20549 |
| Notice of Effectiveness |
| Effectiveness Date: |
November 14,
2025 |
| Accession Number: |
0001104659-25-102981 |
| Submission Type: |
POS AM |
| CIK: |
0001827506 |
| Company Name: |
Tourmaline Bio, Inc. |
| File Number: |
333-283078 |
|
