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): October 15, 2025

MARTIN MIDSTREAM PARTNERS L.P.

(Exact name of Registrant as specified in its charter)

Delaware

000-50056

05-0527861

(State of incorporation

or organization)

(Commission file number)

(I.R.S. employer identification number)

4200 B Stone Road

Kilgore, Texas 75662

(Address of principal executive offices) (Zip code)

Registrant's telephone number, including area code: (903) 983-6200

(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 (see General Instruction A.2. below):


☐						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
Common Units representing limited partnership interests	MMLP	The NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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. o


Item 2.02						Results of Operations and Financial Condition.

On October 15, 2025, Martin Midstream Partners L.P. (the "Partnership") issued a press release reporting its financial results for the quarter ended September 30, 2025 A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and will be published on the Partnership's website at www.MMLP.com. In accordance with General Instruction B.2 of Form 8-K, the information set forth herein and in the press release is deemed to be “furnished” and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”).


Item 9.01						Financial Statements and Exhibits.

(d) Exhibits

In accordance with General Instruction B.2 of Form 8-K, the information set forth in the attached Exhibit 99.1 and Exhibit 99.2 are deemed to be “furnished” and shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act.


Exhibit Number						Description
99.1						Press release dated October 15, 2025
99.2						Supplemental information - Martin Midstream Partners L.P. Third Quarter Earnings Summary
104						Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document (contained in Exhibit 101).

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.

MARTIN MIDSTREAM PARTNERS L.P.

By: Martin Midstream GP LLC,

Its General Partner

Date: October 15, 2025

By: /s/ Sharon L. Taylor

Sharon L. Taylor

Executive Vice President and Chief Financial Officer

MARTIN MIDSTREAM PARTNERS L.P. 8-K