[Form 3] Yorkville Acquisition Corp. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Theodore William McDonagh, a director of Yorkville Acquisition Corp. (ticker shown as YORK in this filing), submitted an initial Form 3 reporting that as of the event date 08/21/2025 he does not beneficially own any securities of the issuer. The filing provides the reporting person’s address in Mountainside, New Jersey and indicates the Form 3 was signed on 09/19/2025. No non-derivative or derivative holdings are listed; the form serves to document the director’s initial statement of beneficial ownership and confirms there are currently no reportable holdings.

Insights

Corporate Governance Expert

TL;DR: Initial director filing shows no beneficial ownership as of 08/21/2025, a neutral governance disclosure.

This Form 3 is a routine disclosure required when an insider becomes subject to Section 16 reporting. It records the reporting person’s role as a director and provides identifying details but lists no securities owned, meaning there are no holdings to report for either non-derivative or derivative categories. For governance processes, an absence of holdings does not itself indicate an issue; it simply documents the starting ownership position for future Section 16 tracking.

Securities Compliance Analyst

TL;DR: Compliance filing appears complete and signed; it discloses no beneficial ownership on initial report.

The Form includes the required identifiers: reporting person name, address, issuer name and ticker (Yorkville Acquisition Corp., YORK), event date 08/21/2025, and signature date 09/19/2025. It indicates the filing is by one reporting person and checks the director box. The explicit statement "No securities are beneficially owned" clarifies there are no reportable holdings at filing. From a compliance perspective the form meets the basic content requirements present in this document.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

McDonagh Theodore William

(Last) (First) (Middle)

1012 SPRINGFIELD AVENUE

(Street)

MOUNTAINSIDE NJ 07092

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/21/2025

3. Issuer Name and Ticker or Trading Symbol
Yorkville Acquisition Corp. [ YORK ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Theodore William McDonagh	09/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What does Theodore William McDonagh report on his Form 3 for Yorkville Acquisition Corp. (YORK)?

The Form 3 states that no securities are beneficially owned by Theodore William McDonagh as of the event date 08/21/2025.

What role does the reporting person hold at Yorkville Acquisition Corp.?

The filing indicates the reporting person is a Director of Yorkville Acquisition Corp.

When was the Form 3 signed and submitted?

The document shows the signature date as 09/19/2025 and lists the event date requiring the statement as 08/21/2025.

What ticker is shown in the filing for Yorkville Acquisition Corp.?

The filing lists the issuer as Yorkville Acquisition Corp. with ticker displayed as YORK.

Does the Form 3 list any derivative or non-derivative securities for the reporting person?

No. The Form 3 explicitly states "No securities are beneficially owned" and includes no entries in either the non-derivative or derivative tables.