Sec Form 4 Filing - Martin Product Sales LLC @ MARTIN MIDSTREAM PARTNERS L.P. - 2025-02-18

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Martin Product Sales LLC 2. Issuer Name and Ticker or Trading Symbol MARTIN MIDSTREAM PARTNERS L.P. [ MMLP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4200 B STONE ROAD 3. Date of Earliest Transaction (MM/DD/YY) 02/18/2025 (Street) KILGORE, TX75662 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Units 02/18/2025 P 58,000 A $ 3.5149 1,079,265 D Common Units 02/19/2025 P 11,723 A $ 3.5761 1,090,988 D Common Units 02/20/2025 P 3,428 A $ 3.5956 1,094,416 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Martin Product Sales LLC 4200 B STONE ROAD KILGORE, TX75662 X Signatures /s/ Sharon L. Taylor, Executive Vice President and Chief Financial Officer 02/20/2025 Signature of Reporting Person Date

Explanation of Responses:

Remarks: Martin Product Sales LLC ("Martin Product"), is a wholly owned subsidiary of Martin Resource Management Corporation ("MRMC"), and therefore, MRMC may be deemed to beneficially own the common units (the "Common Units") representing limited partner interests in Martin Midstream Partners L.P. (the "Partnership") held by Martin Product. Following the transaction, MRMC will directly or indirectly own 6,187,683 Common Units, including the Common Units directly held by Martin Product, and has control of the general partner of the Partnership by virtue of its owning 100% of the equity interests of the sole member of the Partnership's general partner.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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