Company: TACOW
Filing Date: 2025-10-29
Form Type: 425
Source: 0001829126-25-008501
Chunk: 4

Company: Berto Acquisition Corp.
Filing Date: 2025-10-29
Form: 425
Chunk 4
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 undue reliance on the historical record of the performance of OnMed’s or Berto’s management teams or businesses associated with them as indicative of future performance of an investment or the returns that OnMed or Berto will, or are likely to, generate going forward.

No Offer or Solicitation

This Current Report on Form 8-K and the exhibit hereto shall not constitute a solicitation of a proxy, consent, or authorization with respect to any securities or in respect of the proposed transaction. This Current Report on Form 8-K and the exhibit hereto shall also not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any states or jurisdictions in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

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| Item 9.01. | Financial Statements and Exhibits. |

| (d) | Exhibits |

| Exhibit No. 
 99.1        |     | Description                                                                  
 Press release, dated October 29, 2025.                                       |
|:------------|:----|:-----------------------------------------------------------------------------|
| 104         |     | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

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SIGNATURE</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.

|                         | BERTO ACQUISITION CORP. |                  |                    |
|                         | By:                     | /s/ Harry L. You |                    |
|                         |                         | Name:            | Harry L. You       |
|                         |                         | Title:           | Executive Chairman |
| Dated: October 29, 2025 |                         |                  |                    |

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