Company: CPMV
Filing Date: 2025-03-28
Form Type: NT 10-K
Source: 0001683168-25-001988
Chunk: 0

Company: Mosaic ImmunoEngineering Inc.
Filing Date: 2025-03-28
Form: NT 10-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON D.C. 20549

FORM 12b-25

NOTIFICATION OF LATE FILING</div>

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

For Period Ended: December 31, 2024

| ☐  Transition Report on Form 10-K  |     | ☐  Transition Report on Form 20-F |
| ☐  Transition Report on Form 11-K  |     | ☐  Transition Report on Form 10-K |
| ☐  Transition Report on Form N-SAR |     |                                   |

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

Mosaic ImmunoEngineering, Inc.

Full Name of Registrant:

Former Name if Applicable

9114 Adams Avenue, #202

Address of Principal Executive Office (Street and Number)

Huntington Beach, CA 92646

City, State, 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 Form 10-K, Form 20-F, 11-K or 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 of transition report on Form 10-Q or subject distribution report on Form 10-D,