Martin Midstream Partners (MMLP) 10% owner in reported unit purchases disclosed

Rhea-AI Filing Summary

Martin Midstream Partners L.P. reported that a 10% owner increased its stake through open-market purchases of common units.

On 12/11/2025 the reporting person bought 5,573 common units at $2.5542 per unit, followed by a purchase of 7,012 common units at $2.5944 per unit on 12/12/2025. After these transactions, the reporting person directly held 2,781,179.2337 common units. The disclosure also states that Martin Resource Management Corporation, through its wholly owned subsidiary Martin Product Sales LLC and its control of the general partner, directly or indirectly owned 7,874,446.23371 common units following the transaction.

Insider Trade Summary

Net Buyer: 12,585 shares ($32,426)

Net Buy 2 txns

Insider Martin Product Sales LLC

Role 10% Owner

Bought 12,585 shs ($32K)

Type	Security	Shares	Price	Value
Purchase	Common Units	7,012	$2.5944	$18K
Purchase	Common Units	5,573	$2.5542	$14K

Holdings After Transaction: Common Units — 2,781,179.234 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Martin Product Sales LLC

(Last) (First) (Middle)

4200 B STONE ROAD

4200 B STONE ROAD

(Street)

KILGORE TX 75662

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	12/11/2025		P		5,573	A	$2.5542	2,774,167.2337	D
Common Units	12/12/2025		P		7,012	A	$2.5944	2,781,179.2337	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

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 7,874,446.23371 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.

	/s/ Sharon L. Taylor, Executive Vice President and Chief Financial Officer	12/12/2025
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Martin Midstream Partners (MMLP) disclose?

The disclosure shows two open-market purchases of common units by a 10% owner: 5,573 units on 12/11/2025 and 7,012 units on 12/12/2025.

How many Martin Midstream Partners units does the reporting person own after these trades?

After the reported transactions, the reporting person directly held 2,781,179.2337 Martin Midstream Partners common units.

At what prices were the MMLP common units purchased?

The 10% owner bought 5,573 common units at $2.5542 per unit on 12/11/2025 and 7,012 common units at $2.5944 per unit on 12/12/2025.

What is Martin Resource Management Corporations interest in Martin Midstream Partners (MMLP)?

The disclosure states that Martin Resource Management Corporation, through its wholly owned subsidiary Martin Product Sales LLC and its control of the general partner, directly or indirectly owned 7,874,446.23371 common units following the transaction.

Were any derivative securities reported for MMLP in this insider filing?

The section for derivative securities lists only column headings and no entries, indicating no derivative security transactions were reported.

Was this insider report for one or multiple reporting persons at MMLP?

The form indicates it was filed by one reporting person, not by more than one reporting person.