Company: TBMC
Filing Date: 2025-11-14
Form Type: NT 10-Q
Source: 0001213900-25-110826
Chunk: 0

Company: Trailblazer Merger Corp I
Filing Date: 2025-11-14
Form: NT 10-Q
Chunk 0
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<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 12b-25</div>

|           | NOTIFICATION OF LATE FILING | SEC FILE NUMBER |
| 001-41668 |                             |                 |
|           |                             | CUSIP NUMBER    |
|           |                             | 89278D 109      |

(Check One): ☐Form 10-K ☐ Form 20-F ☐Form 11-K ☒ Form 10-Q ☐ Form 10-D Form N-CEN ☐Form N-CSR

For Period Ended:

| ☐ | Transition Report on Form 10-K |

| ☐ | Transition Report on Form 20-F |

| ☐ | Transition Report on Form 11-K |

| ☐ | Transition Report on Form 10-Q |

For the Transition Period Ended: _______________

| Read Instruction (on back page) Before Preparing                   
 Form. Please Print or Type.                                        
 Nothing in this form shall be construed to imply                   
 that the Commission has verified any information contained herein. |

If the notification relates to a portion of the
filing checked above, identify the Item(s) to which the notification relates:

PART I – REGISTRANT INFORMATION

Trailblazer Merger Corporation I

Full Name of Registrant

Former Name if Applicable

510 Madison Avenue, Suite 1401

Address of Principal Executive Office (Street and Number)

New York, NY 10022

City, State and Zip Code

PART II – RULES 12b-25(b) AND (c)

If the subject report could not be filed without
unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box
if appropriate)

|   | -a | The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;                                                                                                                                                                                                                                                                                                                                    |
| ☒ | -b | The subject annual report, semi-annual report, transition report on Form10-K, Form 20-F, Form 11-K, Form N-CEN or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the