MPLX Insider Trading
MPLX LP | Pipe Lines (No Natural Gas)
Comprehensive Trading Performance Summary
The investment history of corporate insiders at MPLX LP provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pipe Lines (No Natural Gas) sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2025-03-11 13:58 | 2025-03-07 | Lyon Shawn M | Officer - Senior VP, Log. & Storage | BUY | $52.75 | 4,000 | $211,000 | 25,299 | +18.8% |
| 2024-11-21 02:24 | 2024-11-18 | HAGEDORN CARL KRISTOPHER | Director, Officer - Exec VP & Chief Fin Ofc | SELL | $47.24 | 4,000 | $188,960 | 14,750 | -21.3% |
| 2022-04-21 22:33 | 2022-04-19 | Floerke Gregory Scott | Officer - Exec. VP and COO | SELL | $35.00 | 2,500 | $87,500 | 80,212 | -3.0% |
| 2022-02-09 20:33 | 2022-02-07 | Floerke Gregory Scott | Officer - Exec. VP and COO | SELL | $33.20 | 2,500 | $83,000 | 76,836 | -3.2% |
| 2022-02-03 17:43 | 2022-02-01 | SEMPLE FRANK M | Director | SELL | $33.50 | 56,000 | $1,876,000 | 333,337 | -14.4% |
| 2021-11-10 15:01 | 2021-11-08 | Floerke Gregory Scott | Officer - Exec. VP and COO | SELL | $31.26 | 5,000 | $156,317 | 78,923 | -6.0% |
| 2021-11-10 15:04 | 2021-11-08 | SEMPLE FRANK M | Director | SELL | $32.00 | 27,000 | $864,000 | 389,337 | -6.5% |
| 2021-05-10 13:58 | 2021-05-06 | Floerke Gregory Scott | Officer - Exec. VP and COO | SELL | $27.00 | 2,500 | $67,500 | 83,923 | -2.9% |
| 2021-01-15 23:10 | 2021-01-13 | Floerke Gregory Scott | Officer - COO and Exec. VP | SELL | $25.00 | 2,500 | $62,500 | 76,405 | -3.2% |
| 2020-12-09 00:08 | 2020-12-04 | Floerke Gregory Scott | Officer - COO and Exec. VP | SELL | $23.00 | 2,500 | $57,500 | 79,083 | -3.1% |
| 2020-11-20 15:07 | 2020-11-18 | Floerke Gregory Scott | Officer - COO and Exec. VP | SELL | $21.00 | 2,500 | $52,500 | 81,583 | -3.0% |
| 2019-08-13 15:26 | 2019-08-09 | Peiffer Garry L. | Director | BUY | $27.30 | 18,800 | $513,259 | 68,497 | +37.8% |
| 2019-08-09 18:55 | 2019-08-07 | Peiffer Garry L. | Director | BUY | $27.15 | 18,000 | $488,646 | 49,697 | +56.8% |
| 2019-08-09 22:03 | 2019-08-07 | Heminger Gary R. | Director, Officer - Chairman, CEO | BUY | $27.19 | 42,600 | $1,158,081 | 125,780 | +51.2% |
| 2019-08-09 21:59 | 2019-08-07 | SANDMAN DAN D | Director | BUY | $27.26 | 36,630 | $998,534 | 97,872 | +59.8% |
| 2017-12-13 21:36 | 2017-12-11 | Floerke Gregory Scott | Officer - Exec VP MarkWest Opr | SELL | $37.00 | 2,000 | $74,000 | 77,598 | -2.5% |
| 2017-12-04 16:46 | 2017-11-30 | Floerke Gregory Scott | Officer - Exec VP MarkWest Opr | SELL | $36.00 | 2,000 | $72,000 | 79,598 | -2.5% |
| 2017-11-22 16:57 | 2017-11-20 | Floerke Gregory Scott | Officer - Exec VP MarkWest Opr | SELL | $34.69 | 4,000 | $138,760 | 81,598 | -4.7% |
| 2017-09-15 23:26 | 2017-09-13 | Bromley C Corwin | Officer - Exec. VP and Gen Counsel | SELL | $34.65 | 5,000 | $173,258 | 121,205 | -4.0% |
| 2017-06-14 20:41 | 2017-06-12 | Heminger Gary R. | Director, Officer - Chief Executive Officer | BUY | $33.26 | 9,000 | $299,371 | 1,500 | +100.0% |
| 2017-03-16 22:52 | 2017-03-15 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $36.20 | 15,000 | $542,996 | 177,552 | -7.8% |
| 2017-02-17 15:47 | 2017-02-15 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $38.61 | 15,000 | $579,093 | 174,666 | -7.9% |
| 2017-01-26 17:43 | 2017-01-24 | Floerke Gregory Scott | Officer - Exec VP and COO | SELL | $37.00 | 1,000 | $37,000 | 77,181 | -1.3% |
| 2017-01-19 19:47 | 2017-01-17 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $36.08 | 15,000 | $541,230 | 189,666 | -7.3% |
| 2017-01-06 00:15 | 2017-01-04 | Floerke Gregory Scott | Officer - Exec VP and COO | SELL | $36.00 | 1,000 | $36,000 | 78,181 | -1.3% |
| 2017-01-06 00:18 | 2017-01-04 | Bromley C Corwin | Officer - Exec. VP and Gen Counsel | SELL | $36.00 | 2,500 | $90,000 | 118,314 | -2.1% |
| 2017-01-04 18:14 | 2017-01-03 | Floerke Gregory Scott | Officer - Exec VP and COO | SELL | $35.00 | 1,000 | $35,000 | 79,181 | -1.2% |
| 2016-12-28 20:15 | 2016-12-27 | SEMPLE FRANK M | Director | SELL | $34.00 | 45,000 | $1,530,000 | 29,312 | -60.6% |
| 2016-12-23 02:13 | 2016-12-21 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $33.01 | 7,855 | $259,301 | 204,666 | -3.7% |
| 2016-12-21 23:25 | 2016-12-20 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $33.01 | 7,145 | $235,858 | 212,521 | -3.3% |
| 2016-11-23 21:25 | 2016-11-21 | SEMPLE FRANK M | Director | SELL | $34.00 | 45,000 | $1,530,000 | 74,312 | -37.7% |
| 2016-11-16 17:02 | 2016-11-15 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $33.07 | 15,000 | $495,978 | 223,585 | -6.3% |
| 2016-11-02 19:20 | 2016-10-31 | Bromley C Corwin | Officer - Exec. VP and Gen Counsel | SELL | $34.52 | 10,000 | $345,166 | 123,559 | -7.5% |
| 2016-11-02 19:27 | 2016-10-31 | NICKERSON RANDY S | Officer - Exec VP and CCO | SELL | $34.03 | 15,000 | $510,429 | 238,585 | -5.9% |
| 2016-10-31 22:52 | 2016-10-27 | SEMPLE FRANK M | Director | SELL | $34.00 | 45,000 | $1,530,000 | 119,312 | -27.4% |
| 2016-10-25 21:04 | 2016-10-24 | Bromley C Corwin | Officer - Exec. VP and Gen Counsel | SELL | $32.02 | 5,000 | $160,120 | 133,559 | -3.6% |
| 2016-10-13 21:38 | 2016-10-12 | Floerke Gregory Scott | Officer - Exec VP and COO | SELL | $31.00 | 1,000 | $31,000 | 83,007 | -1.2% |
| 2016-09-27 15:07 | 2016-09-23 | Buese Nancy | Officer - Exec VP and CFO | SELL | $32.81 | 15,000 | $492,200 | 182,779 | -7.6% |
| 2016-07-05 23:24 | 2016-07-01 | Rosson Paula L | Officer - Senior VP and CAO | SELL | $33.38 | 12,267 | $409,472 | 40,364 | -23.3% |
| 2016-05-24 20:44 | 2016-05-23 | Buese Nancy | Officer - Exec VP and CFO | SELL | $34.00 | 5,000 | $170,000 | 197,779 | -2.5% |
| 2016-05-24 20:42 | 2016-05-23 | Bromley C Corwin | Officer - Exec. VP and Gen Counsel | SELL | $34.00 | 2,500 | $85,000 | 138,559 | -1.8% |
| 2016-04-13 23:27 | 2016-04-11 | Bromley C Corwin | Officer - Exec. VP and Gen Counsel | SELL | $29.58 | 5,000 | $147,900 | 141,059 | -3.4% |
| 2015-12-08 22:18 | 2015-12-04 | SANDMAN DAN D | Director | BUY | $31.16 | 20,000 | $623,274 | 48,804 | +69.4% |
| 2015-09-14 21:59 | 2015-09-10 | Wilson C. Richard | Director | BUY | $45.67 | 4,000 | $182,680 | 14,254 | +39.0% |
| 2015-08-31 18:45 | 2015-08-28 | Griffith Timothy T. | Director, Officer - VP & Chief Financial Officer | BUY | $50.26 | 1,000 | $50,260 | 10,891 | +10.1% |
| 2015-08-28 20:58 | 2015-08-26 | Heminger Gary R. | Director, Officer - Chief Executive Officer | BUY | $48.72 | 17,450 | $850,087 | 26,750 | +187.6% |
| 2015-08-21 19:07 | 2015-08-20 | Griffith Timothy T. | Director, Officer - VP & Chief Financial Officer | BUY | $51.34 | 1,000 | $51,340 | 9,891 | +11.2% |
| 2015-08-21 19:40 | 2015-08-20 | Templin Donald C. | Director, Officer - Executive VP | BUY | $51.12 | 3,000 | $153,354 | 18,000 | +20.0% |
| 2014-12-15 22:25 | 2014-12-11 | Heminger Gary R. | Director, Officer - Chief Executive Officer | BUY | $61.40 | 9,300 | $571,057 | 9,300 | +100.0% |
| 2014-03-12 23:15 | 2014-03-11 | Wilson C. Richard | Director | BUY | $49.42 | 3,000 | $148,251 | 8,565 | +53.9% |
How to Interpret $MPLX Trades
Not every insider transaction in MPLX LP is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $MPLX shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for MPLX
Insider activity data for MPLX LP is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $MPLX, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.