There have been 50 recent insider transactions recorded for MPLX Lp (MPLX), including 38 buys and 9 sells. Total insider buying was valued at RSU Award and total insider selling at $689.08K.
Notable insiders with recent activity include Brzezinski Erin M, Floerke Gregory Scott, Mannen Maryann T.. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — MPLX
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Brzezinski Erin M |
VP and Controller |
Unknown |
- |
- |
- |
4,733 |
| 2026-03-02 |
Floerke Gregory Scott |
Exec. VP and COO |
Tax Withholding of RSU |
797 |
$59.22 |
$47.2K |
95,337 |
| 2026-03-02 |
Mannen Maryann T. |
Chairman, President & CEO |
Tax Withholding of RSU |
6,409 |
$59.22 |
$379.54K |
165,459 |
| 2026-03-02 |
Hagedorn Carl Kristopher |
Exec VP & Chief Fin Ofc |
Tax Withholding of RSU |
663 |
$59.22 |
$39.26K |
20,409 |
| 2026-03-02 |
Lyon Shawn M |
Senior VP, Log. & Storage |
Tax Withholding of RSU |
798 |
$59.22 |
$47.26K |
28,289 |
| 2026-03-02 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax Withholding of RSU |
998 |
$59.22 |
$59.1K |
46,114 |
| 2026-03-01 |
Floerke Gregory Scott |
Exec. VP and COO |
RSU Award |
5,986 |
- |
- |
98,229 |
| 2026-03-01 |
Mannen Maryann T. |
Chairman, President & CEO |
RSU Award |
52,817 |
- |
- |
178,679 |
| 2026-03-01 |
Hagedorn Carl Kristopher |
Exec VP & Chief Fin Ofc |
RSU Award |
4,930 |
- |
- |
22,410 |
| 2026-03-01 |
Lyon Shawn M |
Senior VP, Log. & Storage |
RSU Award |
5,986 |
- |
- |
31,040 |
| 2026-03-01 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
RSU Award |
8,803 |
- |
- |
48,966 |
| 2026-03-01 |
Khoury Maria A |
Director |
RSU Award |
8,451 |
- |
- |
8,451 |
| 2026-02-17 |
Helms Christopher A |
Director |
RSU Award |
1,285 |
- |
- |
80,751 |
| 2026-02-17 |
Surma John P |
Director |
RSU Award |
1,505 |
- |
- |
89,190 |
| 2026-02-17 |
Semple Frank M |
Director |
RSU Award |
1,072 |
- |
- |
58,172 |
| 2026-02-17 |
Walker Ray N Jr |
Director |
RSU Award |
32 |
- |
- |
1,744 |
| 2026-02-17 |
Stice J Michael |
Director |
RSU Award |
982 |
- |
- |
53,295 |
| 2026-02-17 |
Peiffer Garry L. |
Director |
RSU Award |
1,181 |
- |
- |
64,072 |
| 2026-02-17 |
Breves Christine S |
Director |
RSU Award |
218 |
- |
- |
11,837 |
| 2026-01-19 |
Khoury Maria A |
Director |
Unknown |
- |
- |
- |
- |
| 2025-12-12 |
Floerke Gregory Scott |
Exec. VP and COO |
Tax Withholding of RSU |
242 |
$54.85 |
$13.27K |
92,243 |
| 2025-12-12 |
Hennigan Michael J |
Executive Chairman |
Tax Withholding of RSU |
1,335 |
$54.85 |
$73.22K |
359,137 |
| 2025-12-12 |
Lyon Shawn M |
Senior VP, Log. & Storage |
Tax Withholding of RSU |
245 |
$54.85 |
$13.44K |
25,054 |
| 2025-12-12 |
Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax Withholding of RSU |
306 |
$54.85 |
$16.78K |
40,163 |
| 2025-11-14 |
Helms Christopher A |
Director |
RSU Award |
1,358 |
- |
- |
79,466 |
| 2025-11-14 |
Surma John P |
Director |
RSU Award |
1,590 |
- |
- |
87,685 |
| 2025-11-14 |
Semple Frank M |
Director |
RSU Award |
1,132 |
- |
- |
57,101 |
| 2025-11-14 |
Walker Ray N Jr |
Director |
RSU Award |
34 |
- |
- |
1,712 |
| 2025-11-14 |
Stice J Michael |
Director |
RSU Award |
1,037 |
- |
- |
52,313 |
| 2025-11-14 |
Peiffer Garry L. |
Director |
RSU Award |
1,247 |
- |
- |
62,892 |
| 2025-11-14 |
Breves Christine S |
Director |
RSU Award |
230 |
- |
- |
11,619 |
| 2025-08-25 |
Walker Ray N Jr |
Director |
Unknown |
- |
- |
- |
- |
| 2025-08-25 |
Walker Ray N Jr |
Director |
RSU Award |
1,678 |
- |
- |
1,678 |
| 2025-08-15 |
Helms Christopher A |
Director |
RSU Award |
1,260 |
- |
- |
78,108 |
| 2025-08-15 |
Surma John P |
Director |
RSU Award |
1,475 |
- |
- |
86,095 |
| 2025-08-15 |
Semple Frank M |
Director |
RSU Award |
1,051 |
- |
- |
55,968 |
| 2025-08-15 |
Stice J Michael |
Director |
RSU Award |
962 |
- |
- |
51,276 |
| 2025-08-15 |
Peiffer Garry L. |
Director |
RSU Award |
1,157 |
- |
- |
61,645 |
| 2025-08-15 |
Breves Christine S |
Director |
RSU Award |
214 |
- |
- |
11,389 |
| 2025-05-16 |
Helms Christopher A |
Director |
RSU Award |
1,187 |
- |
- |
76,849 |
| 2025-05-16 |
Surma John P |
Director |
RSU Award |
1,390 |
- |
- |
84,620 |
| 2025-05-16 |
Semple Frank M |
Director |
RSU Award |
990 |
- |
- |
54,918 |
| 2025-05-16 |
Stice J Michael |
Director |
RSU Award |
907 |
- |
- |
50,313 |
| 2025-05-16 |
Peiffer Garry L. |
Director |
RSU Award |
1,090 |
- |
- |
60,488 |
| 2025-05-16 |
Breves Christine S |
Director |
RSU Award |
201 |
- |
- |
11,175 |
| 2025-05-01 |
Helms Christopher A |
Director |
RSU Award |
2,481 |
- |
- |
75,661 |
| 2025-05-01 |
Surma John P |
Director |
RSU Award |
2,848 |
- |
- |
83,229 |
| 2025-05-01 |
Semple Frank M |
Director |
RSU Award |
2,848 |
- |
- |
53,928 |
| 2025-05-01 |
Stice J Michael |
Director |
RSU Award |
2,848 |
- |
- |
49,406 |
| 2025-05-01 |
Peiffer Garry L. |
Director |
RSU Award |
2,481 |
- |
- |
59,397 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
