SCHEDULE 13D/A: Martin Product Sales Boosts Stake in Martin Midstream Partners L.P., Parent Company's Beneficial Ownership Reaches 17.9%

Martin Product Sales LLC, a subsidiary of Martin Resource Management Corp, has acquired an additional 427,239 common units of Martin Midstream Partners L.P. for investment purposes, increasing the parent company's beneficial ownership to 17.9%.

Summary

• This document is Amendment No. 9 to the Schedule 13D filing for Martin Midstream Partners L.P. (the "Issuer").
• Martin Product Sales LLC acquired an additional 427,239 Common Units of the Issuer since the filing of Amendment No. 8.
• The acquisition was made at an average price of $2.99 per Common Unit, funded by working capital, and for investment purposes.
• As of June 3, 2025, based on 39,055,086 Common Units outstanding:
• Martin Resource Management Corp (Parent) beneficially owns 6,982,473 Common Units, representing 17.9% of the outstanding units.
• Martin Resource LLC owns 4,203,823 Common Units, representing 10.8% of the outstanding units.
• Cross Oil Refining & Marketing, Inc. owns 889,444 Common Units, representing 2.3% of the outstanding units.
• Martin Product Sales LLC owns 1,889,206 Common Units, representing 4.8% of the outstanding units.
• The General Partner holds a 2.0% general partner interest in the Issuer.
• No other transactions in Common Units by the Reporting Persons or Listed Persons were reported in the past sixty days, except for Mr. Tauscher's acquisition of 22.7 Common Units on May 19, 2025, at $3.02 per unit through a benefit plan.

Sentiment

Score: 7

Explanation: The filing indicates continued investment by a significant related party, suggesting confidence in the company. While not a performance report, the insider buying at a specific price point can be viewed positively.

Positives

• Increased ownership by Martin Product Sales LLC, a related entity, signals continued confidence in Martin Midstream Partners L.P. as an investment.
• The acquisition was funded by working capital, indicating financial capacity for strategic investments.

Future Outlook

The document is an ownership disclosure and does not provide forward-looking statements or guidance regarding the Issuer's future performance or strategic direction.

Management Comments

• The purpose of the acquisition was for investment purposes.

Industry Context

This filing reflects an internal ownership adjustment within the Martin family of entities related to Martin Midstream Partners L.P., a master limited partnership (MLP) operating in the midstream energy sector. Such filings are routine for significant shareholders and do not inherently indicate broader industry trends, though continued investment by insiders can be seen as a positive signal within the sector.

Comparison to Industry Standards

• This Schedule 13D filing primarily details changes in beneficial ownership and does not contain financial performance metrics or operational results that would allow for a direct comparison to industry standards or specific comparable companies/projects.

Related Party Transactions

• Martin Product Sales LLC, a subsidiary of Martin Resource Management Corp (Parent), acquired Common Units of Martin Midstream Partners L.P. The Parent also beneficially owns other reporting entities (Resource and Cross) that hold units in the Issuer.

Stakeholder Impact

• Shareholders: The increased beneficial ownership by Martin Resource Management Corp and its affiliates may signal long-term commitment and confidence from a key stakeholder group, potentially influencing investor sentiment positively.

Key Dates

Recommendation

Keywords

Martin Midstream Partners L.P., Martin Resource Management Corp, Schedule 13D, Common Units, Beneficial Ownership, Investment, SEC Filing, MLP, Midstream, Energy Infrastructure