MESA ROYALTY TRUST/TX

For the period ended Dec 31, 2025. Filed Mar 30, 2026.

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 30, 2026

MTR$1.90-1.7%Stored close · as of Nov 9, 2026

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Contents

Cover page TABLE OF CONTENTS Item 1. Business Item 1A. Risk Factors Item 1B. Unresolved Staff Comments Item 1C. Cybersecurity

Item 2. Properties (no text here)

Item 3. Legal Proceedings Item 4. Mine Safety Disclosures

Item 5. Market for Registrant’s Common Equity, Related Unitholder Matters and Issuer Purchases of Equity Securities (no text here)

Item 6. [Reserved] (no text here)

Item 7. Trustee’s Discussion and Analysis of Financial Condition and Results of Operations Summary of Royalty Income, Production, Prices and Costs (Unaudited)Item 7A. Quantitative and Qualitative Disclosures About Market Risk Item 8. Financial Statements and Supplementary Data

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure (no text here)

Item 9A. Controls and Procedures

Item 9B. Other Information (no text here)

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Item 10. Directors, Executive Officers and Corporate Governance (no text here)

Item 11. Executive Compensation (no text here)

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Unitholder Matters

Item 13. Certain Relationships and Related Transactions, and Director Independence (no text here)

Item 14. Principal Accounting Fees and Services Item 15. Exhibits and Financial Statement Schedules SIGNATURES

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

				Mesa Royalty Trust
				By:			THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., TRUSTEE
				By:			/s/ Elaina Rodgers Elaina Rodgers Vice President & Trust Officer

March 30, 2026

The Registrant, Mesa Royalty Trust, has no principal executive officer, principal financial officer, board of directors or persons performing similar functions. Accordingly, no additional signatures are available and none have been provided.

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