# EDGAR Filing Document

**Accession Number:** 0001201198
**File Stem:** 0001176334-25-000092
**Filing Date:** 2025-6
**Character Count:** 12124
**Document Hash:** ea37d700c5b3e3b3bff9a002cd79eb16
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001176334-25-000092.hdr.sgml**: 20250604

**ACCESSION NUMBER**: 0001176334-25-000092

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250604

**DATE AS OF CHANGE**: 20250604

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MARTIN MIDSTREAM PARTNERS L.P.
- **CENTRAL INDEX KEY:** 0001176334
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-PETROLEUM BULK STATIONS & TERMINALS [5171]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 050527861
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-80397
- **FILM NUMBER:** 251023412

**BUSINESS ADDRESS:**
- **STREET 1:** 4200 STONE ROAD
- **CITY:** KILGORE
- **STATE:** TX
- **ZIP:** 75662
- **BUSINESS PHONE:** 9039836252

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 191
- **CITY:** KILGORE
- **STATE:** TX
- **ZIP:** 75663

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MARTIN MIDSTREAM PARTNERS LP
- **DATE OF NAME CHANGE:** 20020626
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MARTIN RUBEN S
- **CENTRAL INDEX KEY:** 0001201198

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 4200 STONE RD
- **CITY:** KILGORE
- **STATE:** TX
- **ZIP:** 75662

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 7)**

**Martin Midstream Partners L.P.**

*(Name of Issuer)*

**Common Units representing limited partnership interests**

*(Title of Class of Securities)*

**573331105**

*(CUSIP Number)*

**Chris Booth**<br>4200 B Stone Road<br>Kilgore TX 75662<br>903-983-6443

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/03/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **573331105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Ruben S. Martin III** | Name of reporting person<br>**Ruben S. Martin III** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**3885998.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**6982473.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3885998.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**6982473.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**10868471.00** | Aggregate amount beneficially owned by each reporting person<br>**10868471.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**27.8%** | Percent of class represented by amount in Row (11)<br>**27.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1) Includes: (i) 159,391.87 Common Units held of record directly by the reporting person and (ii) 3,726,606.62 Common Units held of record by Senterfitt Holdings Inc., for which the reporting person is the sole shareholder and sole director and has sole voting and investment power.

(2) The reporting person states that neither the filing of this Schedule nor anything herein shall be deemed an admission that such person is, for purposes of Section 13 of the Securities Exchange Act of 1934, as amended, or otherwise, the beneficial owner of these Common Units. The reporting person disclaims beneficial ownership of these Common Units, except to the extent of his pecuniary interest therein.

(3) Includes 6,982,473 Common Units held of record by Martin Resource Management Corporation, for which Mr. Martin is the chairman of the board of directors and its president, indirectly through its wholly-owned subsidiaries as follows: 4,203,823 Common Units held directly by Martin Resource LLC, 1,889,206 Common Units held directly by Martin Product Sales LLC ("Martin Product"), and 889,444 Common Units held directly by Cross Oil Refining & Marketing, Inc.

(4) Based upon 39,055,086 Common Units outstanding as of June 3, 2025.

| **CUSIP No.** | **573331105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Senterfitt Holdings Inc.** | Name of reporting person<br>**Senterfitt Holdings Inc.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**TEXAS** | Citizenship or place of organization<br>**TEXAS** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**3726606.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3726606.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3726606.00** | Aggregate amount beneficially owned by each reporting person<br>**3726606.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.5%** | Percent of class represented by amount in Row (11)<br>**9.5%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** Based upon 39,055,086 Common Units outstanding as of June 3, 2025

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Units representing limited partnership interests

**(b) Name of Issuer:**
Martin Midstream Partners L.P.

**(c) Address of Issuer's Principal Executive Offices:**
4200 B Stone Road, Kilgore, TX, 75662

This joint statement on Schedule 13D (this "Schedule 13D") relates to common units representing limited partner interests ("Common Units") of Martin Midstream Partners L.P., a Delaware limited partnership (the "Issuer"), beneficially owned by the reporting persons. The address of the principal executive offices of the Issuer is 4200 B Stone Road, Kilgore, Texas 75662.

This Schedule 13D is intended to serve as an Amendment No. 7 ("Amendment No. 7") to the joint statement on Schedule 13D filed with the Securities and Exchange Commission (the "Commission") by the reporting persons on December 10, 2021, as amended on March 24, 2022 ("Amendment No. 1"), July 21, 2023 ("Amendment No. 2"), May 24, 2024 ("Amendment No. 3"), October 3, 2024 ("Amendment No. 4"), December 30, 2024 ("Amendment No. 5"), and May 1, 2025 ("Amendment No. 6") (such joint statement on Schedule 13D, as amended by Amendment No. 1, Amendment No. 2, Amendment No. 3, Amendment No. 4, Amendment No. 5, and Amendment No. 6, the "Original Schedule 13D"). The purpose of this Amendment No. 7 is to report the acquisition of Common Units by Martin Product. Any capitalized terms used and not defined herein shall have the meanings given to such terms in the Original Schedule 13D and, except as otherwise provided below, the Original Schedule 13D is incorporated herein by reference. The Original Schedule 13D shall not be modified except as specifically provided herein.

**Item 4. Purpose of Transaction**

Item 4 of the Original Schedule 13D is hereby amended and supplemented as follows:

Item 3 of this Amendment No. 7 is incorporated herein by reference.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5 of the Original Schedule 13D is hereby amended and restated in its entirety as follows:

The information contained on the cover pages of this Amendment No. 7 and the information set forth in Item 4 of this Amendment No. 7 is incorporated herein by reference.

The aggregate number and percentage of the Common Units beneficially owned by each reporting person as of June 3, 2025 is stated in Items 11 and 13 on that reporting person's cover page hereto. Mr. Martin may be deemed the beneficial owner of 10,868,471.49 Common Units, which represent 27.8% of the outstanding Common Units as of June 3, 2025 based on 39,055,086 Common Units outstanding as of June 3, 2025, and includes 6,982,473 Common Units held of record by MRMC, for which Mr. Martin is the chairman of the board of directors and its president, directly and indirectly through MRMC's wholly-owned subsidiaries as follows: includes 6,982,473 held directly by Martin Resource Management Corporation, which includes 4,203,823 Common Units held directly by Martin Resource LLC, 1,889,206 Common Units held directly by Martin Product, and 889,444 Common Units held directly by Cross Oil Refining & Marketing, Inc. Mr. Martin has shared voting and dispositive power with respect to such shares. Senterfitt Holdings Inc. ("Senterfitt") may be deemed the beneficial owner of 3,726,606.62 Common Units as of June 3, 2025. Each reporting person states that neither the filing of this Schedule nor anything herein shall be deemed an admission that such reporting person is, for purposes of Section 13 of the Securities Exchange Act of 1934, as amended, or otherwise, the beneficial owner of these Common Units. Each reporting person disclaims beneficial ownership of these Common Units, except to the extent of his pecuniary interest therein.

**(b)**
See Item 5(a) above.

**(c)**
The reporting persons have not effected any transactions in the Common Units during the past sixty days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Item 6 of the Original Schedule 13D is hereby amended and supplemented as follows:

Item 4 of this Amendment No. 7 is incorporated herein by reference.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Ruben S. Martin III

**Signature:** Ruben S. Martin III

**Name/Title:** /s/ Ruben S. Martin III, President

**Date:** 06/04/2025

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Senterfitt Holdings Inc.

**Signature:** Senterfitt Holdings Inc.

**Name/Title:** /s/ Ruben S. Martin III, President

**Date:** 06/04/2025