[8-K] MARINE PETROLEUM TRUST Reports Material Event

Rhea-AI Filing Summary

Marine Petroleum Trust filed a current report stating that on November 17, 2025 it issued a press release announcing a quarterly cash distribution to unitholders of record on November 28, 2025.

The press release is included as Exhibit 99.1 and is incorporated into the report by reference. The disclosure is made under Regulation FD and is expressly described as furnished rather than filed, meaning it is not automatically subject to certain liability provisions of the federal securities laws or incorporated into other SEC filings unless specifically referenced.

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): November 17, 2025

MARINE PETROLEUM TRUST

(Exact name of Registrant as Specified in Its Charter)

Texas			000-08565	75-6008017
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
c/o The Corporate Trustee: Argent Trust Company, 3838 Oak Lawn Ave Suite 1720 Dallas, Texas 75219
(Address of Principal Executive Offices, including zip code)

Registrant’s Telephone Number, Including Area Code: (855) 588-7839

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Units of Beneficial Interest		MARPS		NASDAQ Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On November 17, 2025, Marine Petroleum Trust issued a press release announcing its quarterly cash distribution to unitholders of record on November 28, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

In accordance with General Instruction B.2. of Form 8-K, the information contained herein shall not be incorporated by reference into any of our filings, whether made before or after the date hereof, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference to such filing. The information in this report shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits.

Exhibit No.		Description
99.1		Press Release dated November 17, 2025

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 hereunto duly authorized.

		MARINE PETROLEUM TRUST
Date:	November 17, 2025	By:	Argent Trust Company, in its capacity as trustee of Marine Petroleum Trust and not in its individual capacity or otherwise
		By:	/s/ Nancy Willis
			Nancy Willis Director of Royalty Trust Services

FAQ

What did Marine Petroleum Trust (MARPS) announce in this 8-K filing?

Marine Petroleum Trust reported that it issued a press release on November 17, 2025 announcing a quarterly cash distribution to its unitholders.

Who is eligible to receive the announced quarterly cash distribution from MARPS?

The quarterly cash distribution will be paid to unitholders of record on November 28, 2025, as stated in the announcement.

How is the Marine Petroleum Trust distribution announcement presented to investors?

The announcement is provided under Regulation FD and the related press release is attached as Exhibit 99.1, which is incorporated into the report by reference.

Is the information in this Marine Petroleum Trust 8-K considered filed with the SEC?

The report states that the information is being furnished, not filed, so it is not deemed filed for purposes of Section 18 of the Exchange Act and is not automatically incorporated into other SEC filings unless specifically referenced.

On which exchange are Marine Petroleum Trust units traded and under what symbol?

Units of beneficial interest in Marine Petroleum Trust trade on the NASDAQ Capital Market under the symbol MARPS.

What exhibit is included with this Marine Petroleum Trust 8-K?

The report includes Exhibit 99.1, described as a press release dated November 17, 2025 announcing the quarterly cash distribution.