Comparable stake leader
Ruben S. Martin
SEC ownership of MARTIN MIDSTREAM PARTNERS L.P.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001176334.
Disclosed value leader
Ruben S. Martin
Comparable rows
43/47
Latest evidence
30 Jun 2026
- Public ticker
- MMLP on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Ruben S. Martin
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
43 of 47
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Ruben S. Martin
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001176334
- Issuer location
- Kilgore, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MARTIN MIDSTREAM PARTNERS L.P. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ruben S. Martin
Disclosed value leader
Ruben S. Martin
Comparable rows
43/47
Latest evidence
30 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 29%
4 rows are not safely comparable across share classes.
13D/G row: Ruben S. Martin
Showing 1-8 of 47 holder rows.
Quick read
Ruben S. Martin leads the comparable SEC ownership view at 29%.
43 of 47 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Ruben S. Martin's linked filing trail.
Comparable ownership
Top 5
Ruben S. Martin
29%
MARTIN RESOURCE MANAGEMENT CORP
19%
NOMURA HOLDINGS INC
9.8%
GOLDMAN SACHS GROUP INC
1.3%
Martin Product Sales LLC
7.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 47 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ruben S. Martin |
3/4/5
13D/G
Director, 10%+ Owner · Ruben S. Martin III
|
29%
from 13D/G
|
$35,520,809
10,073,681 shares
|
— | 18 Feb 2025 |
| MARTIN RESOURCE MANAGEMENT CORP |
13D/G
|
19%
|
$21,259,471
7,592,668 shares
|
+$1,708,546 | 10 Jun 2025 |
| NOMURA HOLDINGS INC |
13D/G
13F
Company
|
9.8%
|
$11,320,118
3,837,328 shares
|
+$1,239,000 | 30 Jun 2025 |
| GOLDMAN SACHS GROUP INC |
13D/G
THE GOLDMAN SACHS GROUP, INC.
|
1.3%
|
$1,400,058
500,021 shares
|
-$6,916,272 | 31 Mar 2025 |
| Martin Product Sales LLC |
3/4/5
10%+ Owner
|
7.1%
|
$7,215,491
2,781,179 shares
|
+$555,007 | 11 Dec 2025 |
| C. Scott Massey |
3/4/5
Director
|
0.51%
|
$563,624
201,178 shares
|
— | 17 Feb 2026 |
| Byron R. Kelley |
3/4/5
Director
|
0.45%
|
$491,042
175,266 shares
|
— | 17 Feb 2026 |
| James M. Collingsworth |
3/4/5
Director
|
0.44%
|
$485,928
173,441 shares
|
— | 17 Feb 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$555,007.
Buys
$555,007
Insiders: 1
Sells
$0
Insiders: 0
Net
+$555,007
Shares: +212,441
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 212,441
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 212,441 | 0 | $555,007 | $0 | +$555,007 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to MARTIN MIDSTREAM PARTNERS L.P.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Ruben S. Martin
Net 12M change
+$555,007
Latest report
17 Feb 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Ruben S. Martin | Director, 10%+ Owner | $35,520,809 | Mixed | 18 Feb 2025 | ||
| Martin Product Sales LLC | 10%+ Owner | $7,215,491 | +$555,007 | +8.3% | Filing P/S | 11 Dec 2025 |
| C. Scott Massey | Director | $563,624 | Mixed | 17 Feb 2026 | ||
| Robert D. Bondurant | President and CEO, Director | $527,192 | Filing P/S | 18 Feb 2025 | ||
| Byron R. Kelley | Director | $491,042 | Mixed | 17 Feb 2026 | ||
| James M. Collingsworth | Director | $485,928 | Mixed | 17 Feb 2026 | ||
| Randall Tauscher | Executive Vice President/COO | $357,138 | Filing P/S | 19 May 2025 | ||
| Chris H. Booth | VP/General Counsel/Secretary | $170,045 | Mixed | 18 Feb 2025 | ||
| Scot A. Shoup | Senior VP Operations | $99,130 | Filing P/S | 18 Feb 2025 | ||
| Sharon L. Taylor | Executive Vice President / CFO | $87,493 | Mixed | 18 Feb 2025 |
Recent insider transactions for MARTIN MIDSTREAM PARTNERS L.P.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| James M. Collingsworth | MMLP | Common Units | Award | 15.5% | 23,200 | 172,666 | 17 Feb 2026 | Direct | ||
| C. Scott Massey | MMLP | Common Units | Award | 13.8% | 23,200 | 191,678 | 17 Feb 2026 | Direct | ||
| Byron R. Kelley | MMLP | Common Units | Award | 15.3% | 23,200 | 175,266 | 17 Feb 2026 | Direct | ||
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.25% | $18,192 | $2.59 | 7,012 | 2,781,179 | 12 Dec 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.2% | $14,235 | $2.55 | 5,573 | 2,774,167 | 11 Dec 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.44% | $31,660 | $2.59 | 12,228 | 2,768,594 | 08 Dec 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.08% | $5,694 | $2.60 | 2,190 | 2,756,366 | 04 Dec 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.08% | $5,801 | $2.59 | 2,239 | 2,754,176 | 01 Dec 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.55% | $38,990 | $2.59 | 15,040 | 2,751,937 | 25 Nov 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.07% | $5,055 | $2.60 | 1,945 | 2,736,897 | 17 Nov 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.45% | $31,613 | $2.58 | 12,272 | 2,734,952 | 10 Nov 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.45% | $31,702 | $2.59 | 12,237 | 2,722,680 | 07 Nov 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.13% | $9,341 | $2.59 | 3,605 | 2,710,443 | 06 Nov 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.43% | $29,607 | $2.57 | 11,500 | 2,706,838 | 21 Oct 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 0.77% | $52,314 | $2.55 | 20,500 | 2,695,338 | 20 Oct 2025 | Direct |
| Martin Product Sales LLC | MMLP | Common Units | Purchase | 4.13% | $280,804 | $2.65 | 106,100 | 2,674,838 | 17 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.