MPLX LP - Limited Partnership
US ˙ NYSE ˙ US55336V1008

SecurityMPLX / MPLX LP - Limited Partnership
InsiderPeiffer Garry L.
This page shows the track record and history of Peiffer Garry L. insider trades in MPLX LP - Limited Partnership. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Peiffer Garry L. in MPLX / MPLX LP - Limited Partnership. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2019-08-09 18,800 27.3010 18,800 27.3010 513,259 45 30.26 55,630 10.84
2019-08-07 18,000 27.1470 18,000 27.1470 488,646
2012-10-31 26,500 22.0000 26,500 22.0000 583,000

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MPLX / MPLX LP - Limited Partnership Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Peiffer Garry L. in MPLX / MPLX LP - Limited Partnership. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MPLX / MPLX LP - Limited Partnership Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-08-19 2025-08-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,157 61,645
2025-05-20 2025-05-16 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,090 60,488
2025-05-05 2025-05-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 2,481 59,397
2025-04-03 2025-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 192 56,916
2025-02-18 2025-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 990 56,724
2025-01-06 2025-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 642 55,734
2024-11-19 2024-11-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,098 55,091
2024-10-03 2024-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 699 53,993
2024-08-20 2024-08-16 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,048 53,293
2024-07-03 2024-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 729 52,246
2024-05-15 2024-05-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,042 51,517
2024-04-03 2024-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 756 50,475
2024-02-16 2024-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,083 49,719
2024-01-04 2024-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 852 48,636
2023-11-15 2023-11-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,124 47,784
2023-10-04 2023-10-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 890 46,660
2023-08-16 2023-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 994 45,770
2023-07-05 2023-07-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 809 44,776
2023-05-17 2023-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 982 43,968
2023-04-05 2023-04-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 791 42,985
2023-02-16 2023-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 923 42,195
2023-01-05 2023-01-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 844 41,271
2022-11-23 2022-11-22 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 903 40,427
2022-10-05 2022-10-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 906 39,525
2022-08-16 2022-08-12 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 822 38,619
2022-07-05 2022-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 927 37,797
2022-05-17 2022-05-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 823 36,870
2022-04-05 2022-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 823 36,047
2022-02-16 2022-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 733 35,224
2022-01-05 2022-01-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 919 34,490
2021-11-23 2021-11-19 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,388 33,572
2021-10-05 2021-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 950 32,184
2021-08-17 2021-08-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 743 31,233
2021-07-02 2021-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 922 30,490
2021-05-18 2021-05-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 692 29,569
2021-04-05 2021-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,053 28,877
2021-02-16 2021-02-12 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 756 27,824
2021-01-06 2021-01-04 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,252 27,068
2020-11-17 2020-11-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 862 25,816
2020-10-05 2020-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,773 24,954
2020-08-18 2020-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 779 23,181
2020-07-06 2020-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,587 22,402
2020-05-19 2020-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 760 20,815
2020-04-03 2020-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 2,412 20,056
2020-02-18 2020-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 491 17,643
2020-01-06 2020-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 1,062 17,153
2019-11-18 2019-11-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 452 16,091
2019-10-03 2019-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 976 15,638
2019-08-15 2019-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 361 14,663
2019-08-13 2019-08-09 4 Peiffer Garry L. By Revocable Trust MPLX Common Units (Limited Partner Interests) P - Purchase I 27.3010 18,800 513 68,497
2019-08-09 2019-08-07 4 Peiffer Garry L. By Revocable Trust MPLX Common Units (Limited Partner Interests) P - Purchase I 27.1470 18,000 489 49,697
2019-07-03 2019-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 852 14,302
2019-05-17 2019-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 276 13,450
2019-04-03 2019-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 828 13,174
2019-02-19 2019-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 229 12,346
2019-01-04 2019-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 895 12,117
2018-11-16 2018-11-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 219 11,222
2018-10-03 2018-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 620 11,003
2018-08-16 2018-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 170 10,383
2018-07-05 2018-07-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 645 10,214
2018-05-17 2018-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 166 9,568
2018-04-04 2018-04-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 670 9,402
2018-02-16 2018-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 143 8,732
2018-01-04 2018-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 607 8,589
2017-11-16 2017-11-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 137 7,982
2017-10-04 2017-10-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 617 7,846
2017-08-16 2017-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 119 7,229
2017-07-05 2017-07-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 639 7,110
2017-05-17 2017-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 96 6,471
2017-04-05 2017-04-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 600 6,375
2017-02-16 2017-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 76 5,774
2017-01-05 2017-01-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 621 5,698
2016-11-16 2016-11-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 79 5,077
2016-10-05 2016-10-03 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 573 4,997
2016-08-16 2016-08-12 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 68 4,424
2016-07-05 2016-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 570 4,356
2016-05-17 2016-05-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 61 3,786
2016-04-05 2016-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 661 3,726
2016-02-16 2016-02-12 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 82 3,065
2016-01-06 2016-01-04 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 477 2,983
2015-11-17 2015-11-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 29 2,506
2015-10-05 2015-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 495 2,477
2015-08-18 2015-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 18 1,982
2015-07-06 2015-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 273 1,964
2015-05-19 2015-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 9 1,690
2015-04-02 2015-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 256 1,681
2015-02-17 2015-02-13 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 7 1,425
2015-01-06 2015-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 206 1,418
2014-11-18 2014-11-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 6 1,212
2014-10-03 2014-10-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 267 1,206
2014-08-18 2014-08-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 5 939
2014-07-03 2014-07-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 237 934
2014-05-19 2014-05-15 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 4 697
2014-04-03 2014-04-01 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 320 693
2014-02-18 2014-02-14 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 2 32,070
2014-01-06 2014-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 371 32,068
2014-01-06 2014-01-02 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) F - Taxes D 43.1300 -4,509 -194 31,697
2013-03-01 2013-02-27 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) A - Award D 9,706 36,206
2012-11-02 2012-10-31 4 Peiffer Garry L. MPLX Common Units (Limited Partner Interests) P - Purchase D 22.0000 26,500 583 26,500
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)