QuickLinks -- Click here to rapidly navigate through this document

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


FORM 8-K


CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): June 24, 2003

Mesa Royalty Trust
(Exact name of Registrant as specified in its charter)

Texas
(State or other jurisdiction of
incorporation or organization)
  1-7884
(Commission
File Number)
  76-6284806
(I.R.S. Employer
Identification No.)

JPMorgan Chase Bank, Trustee
Institutional Trust Services
700 Lavaca Street
Austin, Texas
(Address of principal executive offices)

 

78701
(Zip Code)

Registrant's Telephone Number, including area code: (512) 479-2562

Not Applicable
(Former name, former address and former fiscal year,
if changed since last report)

1


ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS.

        (c) Exhibits.

        99.1 Mesa Royalty Trust Press Release dated June 24, 2003.

ITEMS 9 AND 12. REGULATION FD DISCLOSURE AND DISCLOSURE OF ROYALTY INCOME AND INCOME DISTRIBUTION.

        Attached as Exhibit 99.1 is a copy of a press release, dated June 24, 2003, announcing Mesa Royalty Trust's royalty income and income distribution for the month of June 2003.

        In accordance with General Instruction B.2. of Form 8-K and Securities and Exchange Commission Release No. 33-8176, the above information is being furnished under Items 9 and 12 of Form 8-K and is not deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, is not subject to the liabilities of that section and is not deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

2



SIGNATURES

        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 thereunto duly authorized.

    MESA ROYALTY TRUST

 

 

By: JPMorgan Chase Bank, as Trustee

 

 

By:

/s/  
MIKE ULRICH      
Mike Ulrich
Vice President and Trust Officer

Date: June 24, 2003

Exhibit Index

Exhibit Number

  Description
99.1   Mesa Royalty Trust Press Release dated June 24, 2003.

3




QuickLinks

SIGNATURES