Company: FGMCU
Filing Date: 2025-11-04
Form Type: 425
Source: 0001104659-25-105938
Chunk: 6

Company: FG Merger II Corp.
Filing Date: 2025-11-04
Form: 425
Chunk 6
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 of the Securities
Act of 1933, as amended, or exemptions therefrom. INVESTMENT IN ANY SECURITIES DESCRIBED HEREIN HAS NOT BEEN APPROVED BY THE SEC OR ANY
OTHER REGULATORY AUTHORITY NOR HAS ANY AUTHORITY PASSED UPON OR ENDORSED THE MERITS OF THE OFFERING OR THE ACCURACY OR ADEQUACY OF THE
INFORMATION CONTAINED HEREIN. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

Item 9.01 Financial Statements
and Exhibits.

(d) Exhibits

The following exhibits are
being filed herewith:

| Exhibit 
 Number  
 2.1     
 99.1    | Description                                                                                                                          
 Amendment to Merger Agreement, dated as of November 3, 2025, by and among FG Merger II Corp., BOXABL Inc., and FG Merger Sub II Inc. 
 Press Release dated November 4, 2025                                                                                                 |
|:--------|:-------------------------------------------------------------------------------------------------------------------------------------|
| 104     | Cover Page Interactive Data File (embed within the Inline XBRL document)                                                             |

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SIGNATURES</div>

Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| Dated: November 4, 2025 |                                  |                     |
|:------------------------|:---------------------------------|:--------------------|
|                         | FG MERGER II CORP.               |                     |
|                         | By:                              | /s/ Hassan R. Baqar |
|                         | Name: Hassan R. Baqar            |                     |
|                         | Title:   Chief Financial Officer |                     |

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