Company: STAK
Filing Date: 2025-10-31
Form Type: NT 20-F
Source: 0001493152-25-020318
Chunk: 0

Company: STAK Inc.
Filing Date: 2025-10-31
Form: NT 20-F
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-CEN |     | ☐          
 Form N-CSR |

| For                          
 Period Ended: June 30, 2025  |                     |
|:-----------------------------|:--------------------|
| ☐                            | 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:

<div align='center'>PART I — REGISTRANT INFORMATION

STAK INC.

Full Name of Registrant

Former Name if Applicable

Building 11, 8th Floor, No. 6 Beitanghe East Road, Tianning District

Address of Principal Executive Office (Street and Number)

Changzhou, Jiangsu,

People’s Republic of China 213000

City, State and Zip Code</div>

<div align='center'>PART II — RULES 12b-25(b) AND (c)</div>

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                                                                                                                            
 reason 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