Company: MCGAU
Filing Date: 2025-08-26
Form Type: 425
Source: 0001104659-25-082820
Chunk: 1

Company: Yorkville Acquisition Corp.
Filing Date: 2025-08-26
Form: 425
Chunk 1
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     | YORKW   |     | The Nasdaq Stock Market LLC |

Indicate by check mark whether the registrant is an emerging growth
company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities
Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

| Item 8.01 | Other Events. |

On August 26, 2025, Yorkville Acquisition
Corp., a Cayman Islands exempted company (the “Company” or the “SPAC”), announced that it executed
a Business Combination Agreement (the “Business Combination Agreement”), dated as of August 25, 2025, with YA
S3 Inc., a Florida corporation and an indirect wholly owned subsidiary of the Company, Foris Holdings KY Limited, a Cayman Islands exempted
company known commercially as Crypto.com (“Crypto.com”), Crypto.com Strategy Holdings, a Cayman Islands exempted company
(“Crypto.com Sub”), Trump Media & Technology Group Corp., a Florida corporation (“TMTG”
and together with Crypto.com Sub, the “Sellers”), and Yorkville Acquisition Sponsor, LLC, a Delaware limited liability
company (“Sponsor”) (the transactions contemplated by the Business Combination Agreement and the ancillary documents
related thereto, the “Transactions”).

On August 26, 2025, the Company, Crypto.com
and TMTG issued a joint press release announcing the Business Combination Agreement. The press release is attached to this Current Report
as Exhibit 99.1 and incorporated by reference into this Current Report.

Additional Information and Where to Find It

The Company intends to file with the Securities and Exchange Commission (the “SEC”)
a Registration Statement on Form S-4 (as may be amended, the “Registration Statement”),
which will include a preliminary proxy statement of the Company and a prospectus (the “Proxy Statement/Prospectus”) in connection with the Transactions. The definitive proxy statement and other
relevant documents will be mailed to shareholders of the Company as of a record date to be established for voting on the Transactions
and other matters as described in the Proxy Statement/Prospect