Yorkville Acquisition Sponsor LLC - Jun 30, 2025 Form 4 Insider Report for Yorkville Acquisition Corp. (YORKU)

Role: 10%+ Owner
Signature: /s/Leslie Brault, Attorney-in-fact
Stock symbol: YORKU
Transactions as of: Jun 30, 2025
Transactions value $: $0
Form type: 4
Date filed: 7/2/2025, 08:51 PM
Previous filing: Jun 27, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Yorkville Acquisition Sponsor LLC	10%+ Owner	C/O YORKVILLE ACQUISITION CORP., 1012 SPRINGFIELD AVENUE, MOUNTAINSIDE	/s/Leslie Brault, Attorney-in-fact	2025-07-02	0002074603

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	YORKU	Class A ordinary shares	Purchase		+352K			352K	Jun 30, 2025	Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Simultaneously with the consummation of Yorkville Acquisition Corp.'s (the "Issuer") initial public offering, Yorkville Acquisition Sponsor LLC (the "Sponsor") purchased 351,825 Private Placement Units, each consisting of (i) one Class A ordinary share and (ii) one-third of one redeemable warrant, at a price of $10.00 per placement unit, or $3,518,250 in the aggregate.
F2	Reflects the 351,825 Class A ordinary shares underlying the Private Placement Units.
F3	YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and holds voting and investment discretion over the securities held by the Sponsor. YA II PN is managed by Yorkville Advisors Global, LP ("Yorkville LP"), whose General Partner is Yorkville Advisors Global II, LLC ("Yorkville LLC"). All investment decisions for YA II PN are made by Mark Angelo, President and Managing Member of Yorkville LLC, and, as President and Managing Member of Yorkville LLC, Mr. Angelo may be deemed to have beneficial ownership of the securities held by the Sponsor. Mr. Angelo disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.