MPLX · Mplx LP · Insider Trading
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Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-11-10 | HAGEDORN CARL KRISTOPHER |
Director, Senior VP and Controller |
Sell↓
|
Common Units (Limited Partner Interests)
|
3,512 |
| 2026-11-01 | Niemeyer Bruce L |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,276 |
| 2026-11-01 | Dunn Micheal G. |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,276 |
| 2026-08-14 | SURMA JOHN P |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,563 |
| 2026-08-14 | Walker Ray N JR |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
81 |
| 2026-08-14 | Breves Christine S |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
218 |
| 2026-08-14 | SEMPLE FRANK M |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,072 |
| 2026-08-14 | STICE J MICHAEL |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
982 |
| 2026-08-14 | HELMS CHRISTOPHER A |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,336 |
| 2026-08-14 | Peiffer Garry L. |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,232 |
| 2026-05-15 | HELMS CHRISTOPHER A |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,415 |
| 2026-05-15 | SEMPLE FRANK M |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,194 |
| 2026-05-15 | STICE J MICHAEL |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,098 |
| 2026-05-15 | Breves Christine S |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
276 |
| 2026-05-15 | SURMA JOHN P |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,656 |
| 2026-05-15 | Peiffer Garry L. |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,303 |
| 2026-05-15 | Walker Ray N JR |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
78 |
| 2026-04-30 | Walker Ray N JR |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
2,696 |
| 2026-04-30 | Peiffer Garry L. |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
2,696 |
| 2026-04-30 | SEMPLE FRANK M |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
3,028 |
| 2026-04-30 | Breves Christine S |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
2,696 |
| 2026-04-30 | HELMS CHRISTOPHER A |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
2,696 |
| 2026-04-30 | SURMA JOHN P |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
3,028 |
| 2026-04-30 | STICE J MICHAEL |
Director |
Award↑
Filing footnotes — Common Units (Limited Partner Interests) (Direct)
Represents the reporting person's annual 2026 equity retainer award. This Form 4 is being amended to reflect the correct amount of the annual 2026 equity retainer award. This amount reflects the correct balance of securities beneficially owned as of April 30, 2026. This balance does not include any transactions that occurred after April 30, 2026. |
Common Units (Limited Partner Interests)
|
3,028 |
| 2026-03-02 | HAGEDORN CARL KRISTOPHER |
Director, Senior VP and Controller |
Tax↓
|
Common Units (Limited Partner Interests)
|
422 |
| 2026-03-02 | Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax↓
|
Common Units (Limited Partner Interests)
|
998 |
| 2026-03-02 | Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax↓
|
Common Units (Limited Partner Interests)
|
614 |
| 2026-03-02 | Mannen Maryann T. |
Director, EVP & Chief Financial Officer |
Tax↓
|
Common Units (Limited Partner Interests)
|
3,404 |
| 2026-03-02 | Mannen Maryann T. |
Director, EVP & Chief Financial Officer |
Tax↓
|
Common Units (Limited Partner Interests)
|
6,409 |
| 2026-03-02 | Floerke Gregory Scott |
Ex VP & COO, MPLX GP LLC |
Tax↓
|
Common Units (Limited Partner Interests)
|
1,100 |
| 2026-03-02 | Mannen Maryann T. |
Director, EVP & Chief Financial Officer |
Tax↓
|
Common Units (Limited Partner Interests)
|
3,407 |
| 2026-03-02 | HAGEDORN CARL KRISTOPHER |
Director, Senior VP and Controller |
Tax↓
|
Common Units (Limited Partner Interests)
|
663 |
| 2026-03-02 | Lyon Shawn M |
SVP Log & Storage, MPLX GP LLC |
Tax↓
|
Common Units (Limited Partner Interests)
|
920 |
| 2026-03-02 | Benson Molly R |
Chief Legal Ofc & Corp Sec |
Tax↓
|
Common Units (Limited Partner Interests)
|
1,240 |
| 2026-03-02 | Floerke Gregory Scott |
Ex VP & COO, MPLX GP LLC |
Tax↓
|
Common Units (Limited Partner Interests)
|
995 |
| 2026-03-02 | Lyon Shawn M |
SVP Log & Storage, MPLX GP LLC |
Tax↓
|
Common Units (Limited Partner Interests)
|
798 |
| 2026-03-02 | Lyon Shawn M |
SVP Log & Storage, MPLX GP LLC |
Tax↓
|
Common Units (Limited Partner Interests)
|
1,033 |
| 2026-03-02 | Floerke Gregory Scott |
Ex VP & COO, MPLX GP LLC |
Tax↓
|
Common Units (Limited Partner Interests)
|
797 |
| 2026-03-02 | HAGEDORN CARL KRISTOPHER |
Director, Senior VP and Controller |
Tax↓
|
Common Units (Limited Partner Interests)
|
916 |
| 2026-03-01 | Benson Molly R |
Chief Legal Ofc & Corp Sec |
Award↑
|
Common Units (Limited Partner Interests)
|
8,803 |
| 2026-03-01 | Lyon Shawn M |
SVP Log & Storage, MPLX GP LLC |
Award↑
|
Common Units (Limited Partner Interests)
|
5,986 |
| 2026-03-01 | HAGEDORN CARL KRISTOPHER |
Director, Senior VP and Controller |
Award↑
|
Common Units (Limited Partner Interests)
|
4,930 |
| 2026-03-01 | Floerke Gregory Scott |
Ex VP & COO, MPLX GP LLC |
Award↑
|
Common Units (Limited Partner Interests)
|
5,986 |
| 2026-03-01 | Khoury Maria A |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
8,451 |
| 2026-03-01 | Mannen Maryann T. |
Director, EVP & Chief Financial Officer |
Award↑
|
Common Units (Limited Partner Interests)
|
52,817 |
| 2026-02-17 | Breves Christine S |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
218 |
| 2026-02-17 | HELMS CHRISTOPHER A |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,285 |
| 2026-02-17 | SEMPLE FRANK M |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,071 |
| 2026-02-17 | Walker Ray N JR |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
32 |
| 2026-02-17 | SURMA JOHN P |
Director |
Award↑
|
Common Units (Limited Partner Interests)
|
1,505 |