Yorkville Acquisition Corp 8-K, filed Jul 15, 2026
Yorkville Acquisition Corp. (MCGA)
About this 8-K
Yorkville Acquisition Corp filed this 8-K on July 15, 2026, reporting on events of May 4, 2026.
Items reported
- Item 1.01: Entered into a material agreement
- Item 2.03: New debt or off-balance-sheet obligation
- Item 3.02: Unregistered sale of equity
- Item 9.01: Financial statements and exhibits
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
CURRENT REPORT
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| Item 1.01. | Entry into a Material Definitive Agreement. |
Amended and Restated Working Capital Note
On February 11, 2026, Yorkville Acquisition Corp. (the “Company”) issued a convertible unsecured promissory note (the “Prior Note”) in the aggregate principal amount of $250,000.00 to Yorkville Acquisition Sponsor, LLC, a Delaware limited liability company (the “Sponsor”), in order to provide the Company with additional working capital, as previously disclosed in the Company’s Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission (the “SEC”) on February 17, 2026. On May 4, 2026, the Sponsor advanced an additional $250,000 to the Company for additional working capital purposes. Also on May 4, 2026, in order to document such additional advance, the Company issued an amended and restated convertible unsecured promissory note (the “Amended and Restated Working Capital Note”) in the aggregate principal amount of $500,000.00 to the Sponsor, which amends, restates, supersedes and replaces the Prior Note in its entirety. Pursuant to the terms of the Amended and Restated Working Capital Note, the principal balance shall not accrue interest; shall be payable by the Company on the earlier of the date on which the Company consummates its initial business combination or the date that the winding up of the Company is effective; and is convertible at the Sponsor’s election upon the consummation of the Company’s initial business combination. Should the Sponsor elect to convert all or a portion of the principal balance, the elected principal balance amount will convert, at a price of $10.00 per unit, into units identical to the private placement units issued in connection with the Company’s initial public offering (each, a “New Unit”), rounded down to the nearest whole number.
The foregoing description of the Amended and Restated Working Capital Note does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated Working Capital Note, which is filed hereto as Exhibit 10.1 and which is incorporated herein by reference.
| Item 2.03. | Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. |
The information disclosed under Item 1.01 of this Current Report on Form 8-K is incorporated by reference into this Item 2.03.
| Item 3.02. | Unregistered Sales of Equity Securities. |
The information disclosed under Item 1.01 of this Current Report on Form 8-K is incorporated by reference into this Item 3.02. The Amended and Restated Working Capital Note shall be convertible into a maximum of 50,000 New Units. Each New Unit will consist of one Class A ordinary share of the Company, par value $0.0001 per share (each, a “Class A Ordinary Share”), and one-third of one redeemable warrant, with each whole warrant entitling the holder to purchase one Class A Ordinary Share, at an exercise price of $11.50 per share, which will become exercisable 30 days after the completion of the Company’s initial business combination, subject to certain terms and conditions.
The Company has relied upon Section 4(a)(2) of the Securities Act of 1933, as amended, in connection with the issuance of the Amended and Restated Working Capital Note.
| Item 9.01. | Financial Statements and Exhibits. |
(d) Exhibits.
| Exhibit No. | Description | |
| 10.1 | Amended and Restated Working Capital Note, dated May 4, 2026, issued by the Company to the Sponsor. | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURE
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.
| YORKVILLE ACQUISITION CORP. | ||
| By: | /s/ Troy Rillo | |
| Name: | Troy Rillo | |
| Chief Executive Officer and Financial Officer | ||
Date: July 15, 2026
Exhibit 10.1
THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.
AMENDED AND RESTATED PROMISSORY NOTE
May 4, 2026
Principal Amount: $500,000
Yorkville Acquisition Corp., a Cayman Islands exempted company with limited liability and blank check company (the “Maker”), promises to pay to the order of Yorkville Acquisition Sponsor, LLC, a Delaware limited liability company, or its registered assigns or successors in interest (the “Payee”), or order, the principal sum of Five Hundred Thousand Dollars ($500,000.00) in lawful money of the United States of America, on the terms and conditions described below. All payments on this Note shall be made by check or wire transfer of immediately available funds or as otherwise determined by the Maker to such account as the Payee may from time to time designate by written notice in accordance with the provisions of this Note.
1. Principal. The principal balance of this Note shall be payable by the Maker on the earlier of: (i) the date on which Maker consummates its initial business combination or (ii) the date that the winding up of the Maker is effective (such date, the “Maturity Date”). The principal balance may be prepaid at any time, at the election of Maker. Under no circumstances shall any individual, including but not limited to any executive officer, director, employee or shareholder of the Maker, be obligated personally for any obligations or liabilities of the Maker hereunder.
2. Interest. No interest shall accrue on the unpaid principal balance of this Note.
3. Optional Conversion.
(a) Upon consummation of the business combination and at the Payee’s option, at any time prior to payment in full of the principal balance of this Note, the Payee may elect to convert all or any portion of the Note into that number of units of the post-business combination entity (the “New Units”) equal to: (i) the portion of the principal amount of the Note being converted pursuant to this Section 3, divided by (ii) $10.00, rounded down to the nearest whole number. Each New Unit shall have the same terms and conditions as private placement units issued simultaneously with the Maker’s initial public offering.
(b) Upon any complete or partial conversion of the principal amount of this Note (i) such principal amount shall be so converted and such converted portion of this Note shall become fully paid and satisfied, (ii) the Payee shall surrender and deliver this Note, duly endorsed, to Maker or such other address which Maker shall designate against delivery of the New Units, (iii) Maker shall promptly deliver a new duly executed Note to the Payee in the principal amount that remains outstanding, if any, after any such conversion and (iv) in exchange for all or any portion of the surrendered Note described in Section 3(a), Maker shall deliver to Payee the New Units, which shall bear such legends as are required, in the opinion of counsel to Maker or by any other agreement between Maker and the Payee and applicable state and federal securities laws.
(c) The Maker shall pay any and all issue and other taxes that may be payable with respect to any issue or delivery of the New Units upon conversion of this Note pursuant hereto; provided, however, that the Payee shall pay any transfer taxes resulting from any transfer requested by the Payee in connection with any such conversion.
4. Application of Payments. All payments shall be applied first to payment in full of any costs incurred in the collection of any sum due under this Note, including (without limitation) reasonable attorney’s fees, then to the payment in full of any late charges and finally to the reduction of the unpaid principal balance of this Note.
5. Events of Default. The following shall constitute an event of default (“Event of Default”):
(a) Failure to Make Required Payments. Failure by Maker to pay the principal amount due pursuant to this Note within five (5) business days of the date specified above.
(b) Voluntary Bankruptcy, Etc. The commencement by Maker of a voluntary case under any applicable bankruptcy, insolvency, reorganization, rehabilitation or other similar law, or the consent by it to the appointment of or taking possession by a receiver, liquidator, assignee, trustee, custodian, sequestrator (or other similar official) of Maker or for any substantial part of its property, or the making by it of any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts as such debts become due, or the taking of corporate action by Maker in furtherance of any of the foregoing.
(c) Involuntary Bankruptcy, Etc. The entry of a decree or order for relief by a court having jurisdiction in the premises in respect of Maker in an involuntary case under any applicable bankruptcy, insolvency or other similar law, or appointing a receiver, liquidator, assignee, custodian, trustee, sequestrator (or similar official) of Maker or for any substantial part of its property, or ordering the winding-up or liquidation of its affairs, and the continuance of any such decree or order unstayed and in effect for a period of 60 consecutive days.
6. Remedies.
(a) Upon the occurrence and during the continuance of an Event of Default specified in Section 5(a) hereof, Payee may, by written notice to Maker, declare this Note to be due immediately and payable, whereupon the unpaid principal amount of this Note, and all other amounts payable hereunder, shall become immediately due and payable without presentment, demand, protest or other notice of any kind, all of which are hereby expressly waived, anything contained herein or in the documents evidencing the same to the contrary notwithstanding.
(b) Upon the occurrence and during the continuance of an Event of Default specified in Sections 5(b) and 5(c), the unpaid principal balance of this Note, and all other sums payable with regard to this Note, shall automatically and immediately become due and payable, in all cases without any action on the part of Payee.
7. Waivers. Maker and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest, and notice of protest with regard to the Note, all errors, defects and imperfections in any proceedings instituted by Payee under the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws exempting any property, real or personal, or any part of the proceeds arising from any sale of any such property, from attachment, levy or sale under execution, or providing for any stay of execution, exemption from civil process, or extension of time for payment; and Maker agrees that any real estate that may be levied upon pursuant to a judgment obtained by virtue hereof or any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by Payee.
8. Unconditional Liability. Maker hereby waives all notices in connection with the delivery, acceptance, performance, default, or enforcement of the payment of this Note, and agrees that its liability shall be unconditional, without regard to the liability of any other party, and shall not be affected in any manner by any indulgence, extension of time, renewal, waiver or modification granted or consented to by Payee, and consents to any and all extensions of time, renewals, waivers, or modifications that may be granted by Payee with respect to the payment or other provisions of this Note, and agrees that additional makers, endorsers, guarantors, or sureties may become parties hereto without notice to Maker or affecting Maker’s liability hereunder.
9. Notices. All notices, statements or other documents which are required or contemplated by this Note shall be made in writing and delivered: (i) personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic transmission to the address designated in writing, (ii) by facsimile to the number most recently provided to such party or such other address or fax number as may be designated in writing by such party or (iii) by electronic mail, to the electronic mail address most recently provided to such party or such other electronic mail address as may be designated in writing by such party. Any notice or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered personally, on the business day following receipt of written confirmation, if sent by facsimile or electronic transmission, one (1) business day after delivery to an overnight courier service or five (5) days after mailing if sent by mail.
10. Construction. THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PROVISIONS THEREOF.
11. Severability. Any provision contained in this Note which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.
12. Trust Waiver. Notwithstanding anything herein to the contrary, the Payee hereby waives any and all right, title, interest or claim of any kind (“Claim”) in or to any distribution of or from the trust account (the “Trust Account”) established in connection with Maker’s initial public offering, and hereby agrees not to seek recourse, reimbursement, payment or satisfaction for any Claim against the Trust Account for any reason whatsoever; provided however that upon the consummation of the initial business combination, Maker shall repay the principal balance of this Note out of the proceeds released to Maker from the Trust Account.
13. Amendment; Waiver. Any amendment hereto or waiver of any provision hereof may be made with, and only with, the written consent of the Maker and the Payee.
14. Restatement. This Note amends, restates, supersedes and replaces that certain Promissory Note dated February 11, 2026, made in the original principal amount of Two Hundred and Fifty Thousand Dollars ($250,000.00) by Maker, payable to Payee (the “Prior Note”). In connection with an additional advance of $250,000 made by Payee to Maker on May 4, 2026, the aggregate outstanding principal amount of this Note is Five Hundred Thousand Dollars ($500,000.00); provided, however, that the execution and delivery by the undersigned of this Note shall not, in any manner or circumstance, be deemed to be a payment of, a novation of or to have terminated, extinguished or discharged any of Maker’s indebtedness evidenced by the Prior Note, all of which indebtedness shall continue under and shall hereinafter be evidenced and governed by this Note. Any inconsistency between the terms of this Note and the Prior Note shall be controlled by the terms hereof.
15. Assignment. No assignment or transfer of this Note or any rights or obligations hereunder may be made by any party hereto (by operation of law or otherwise) without the prior written consent of the other party hereto and any attempted assignment without the required consent shall be void.
[Signature page follows]
IN WITNESS WHEREOF, Maker, intending to be legally bound hereby, has caused this Note to be duly executed by the undersigned as of the day and year first above written.
| YORKVILLE ACQUISITION CORP. | ||
| By: | ||
| Name: Troy Rillo | ||
| Title: Chief Executive Officer and Chief Financial Officer | ||
| YORKVILLE ACQUISITION SPONSOR, LLC | ||
| By: Yorkville Advisors Global, LP, its Manager, | ||
| By: Yorkville Advisors Global II, LLC, its General Partner | ||
| By: | ||
| Name: Troy Rillo | ||
| Title: Partner | ||