Martin Midstream Partners L.P. (MMLP) has 20 known insider and institutional holders on record. The largest holder is MARTIN RESOURCE MANAGEMENT CORP with 6,264,532 shares. Other notable holders include Keeneland Capital, LLC and KCM, LLC.
Over the last 12 months, insiders have made 43 transactions in MMLP stock — 43 buys (valued at $4.63M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MMLP Insider Ownership
Top Holder
MARTIN RESOURCE MANAGEMENT CORP
6,264,532 shares
Buys (12 mo)
43
$4.63M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Martin Resource Management Corp |
10 Percent Owner |
6,264,532 |
2014-08-22 |
|
| 2 |
Keeneland Capital, Llc |
10 Percent Owner |
5,703,823 |
2010-08-23 |
|
| 3 |
Kcm, Llc |
10 Percent Owner |
5,703,823 |
2010-08-23 |
|
| 4 |
Martin Scott Donnelly |
10 Percent Owner, Officer: Executive V.p. |
5,703,823 |
2010-09-02 |
|
| 5 |
Martin Resource Llc |
10 Percent Owner |
4,203,283 |
2012-10-03 |
|
| 6 |
Martin Product Sales Llc |
10 Percent Owner |
2,774,167 |
2025-12-12 |
|
| 7 |
Cross Oil Refining & Marketing, Inc. |
10 Percent Owner |
804,721 |
2009-12-07 |
|
| 8 |
Massey C Scott |
Director |
191,678 |
2026-02-19 |
|
| 9 |
Kelley Byron R |
Director |
175,266 |
2026-02-19 |
|
| 10 |
Collingsworth James M |
Director |
172,666 |
2026-02-19 |
|
| 11 |
Martin Ruben S |
10 Percent Owner |
159,392 |
2025-02-20 |
|
| 12 |
Bondurant Robert D |
President and CEO |
149,511 |
2025-02-20 |
|
| 13 |
Tauscher Randall |
Executive Vice President/coo |
118,258 |
2025-05-21 |
|
| 14 |
Gaylord John P |
Director |
35,000 |
2010-05-05 |
|
| 15 |
Shoup Scot A |
Senior VP Operations |
28,113 |
2025-02-20 |
|
| 16 |
Booth Chris H |
VP/general Counsel/secretary |
25,850 |
2025-02-20 |
|
| 17 |
Taylor Sharon L |
Executive Vice President / CFO |
23,363 |
2025-02-20 |
|
| 18 |
Martin Stephen W |
VP Corporate Development |
14,000 |
2016-03-08 |
|
| 19 |
Averett Joe N Jr |
Director |
13,100 |
2014-09-12 |
|
| 20 |
Still Charles H |
Director |
10,000 |
2014-09-08 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-17 |
Collingsworth James M |
Director |
RSU Award |
23,200 |
$2.80 |
$65K |
| 2026-02-17 |
Massey C Scott |
Director |
RSU Award |
23,200 |
$2.80 |
$65K |
| 2026-02-17 |
Kelley Byron R |
Director |
RSU Award |
23,200 |
$2.80 |
$65K |
| 2025-12-12 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
7,012 |
$2.59 |
$18.19K |
| 2025-12-11 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
5,573 |
$2.55 |
$14.23K |
| 2025-12-08 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
12,228 |
$2.59 |
$31.66K |
| 2025-12-04 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
2,190 |
$2.60 |
$5.69K |
| 2025-12-01 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
2,239 |
$2.59 |
$5.8K |
| 2025-11-25 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
15,040 |
$2.59 |
$38.99K |
| 2025-11-17 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
1,945 |
$2.60 |
$5.05K |
| 2025-11-10 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
12,272 |
$2.58 |
$31.61K |
| 2025-11-07 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
12,237 |
$2.59 |
$31.7K |
| 2025-11-06 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
3,605 |
$2.59 |
$9.34K |
| 2025-10-21 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
11,500 |
$2.57 |
$29.61K |
| 2025-10-20 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
20,500 |
$2.55 |
$52.31K |
| 2025-10-17 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
106,100 |
$2.65 |
$280.8K |
| 2025-08-07 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
1,544 |
$3.04 |
$4.69K |
| 2025-08-04 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
7,107 |
$2.95 |
$20.96K |
| 2025-06-11 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
60,686 |
$3.12 |
$189.24K |
| 2025-06-10 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
605,633 |
$3.05 |
$1.85M |
| 2025-06-05 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
4,562 |
$3.00 |
$13.68K |
| 2025-06-03 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
300,877 |
$3.00 |
$902.63K |
| 2025-05-29 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
2,170 |
$3.00 |
$6.51K |
| 2025-05-23 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
4,564 |
$2.99 |
$13.66K |
| 2025-05-21 |
Martin Product Sales Llc |
10 Percent Owner |
Informative Buy |
3,579 |
$2.97 |
$10.64K |