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MPLX Mplx (MPLX) Insider Trading, Ownership & Congress Trades

Energy · Pipe lines (no natural gas) · CIK 0001552000
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
303
13F, latest reported quarter

Mplx insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for MPLX LP in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Senior VP, Log. & Storage
BUY
2025-03-11 SECtraded 2025-03-07
4,000
$211.0K
+24.0%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 15.8% of the 25,299 shares held after it.
  • No other insider bought within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Senior VP, Log. & Storage Lyon Shawn M bought about $211.0K of MPLX on Mar 7, 2025, the largest insider purchase at the company on our record; 303 funds added in the latest 13F quarter.
Exec VP & Chief Fin Ofc
SELL
2024-11-20 SECtraded 2024-11-18
4,000
$189.0K
+39.0%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 27.1% of the 14,750 shares held after it.
  • No other insider sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Exec VP & Chief Fin Ofc HAGEDORN CARL KRISTOPHER sold about $189.0K of MPLX on Nov 18, 2024, the largest insider sale at the company since 2022; 303 funds added in the latest 13F quarter.
Exec. VP and COO
SELL
2022-04-21 SECtraded 2022-04-19
2,500
$87.5K
+151.7%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Feb 7, 2022.
  • The trade is 3.1% of the 80,212 shares held after it.
  • No other insider sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Exec. VP and COO Floerke Gregory Scott sold about $87.5K of MPLX on Apr 19, 2022; 303 funds added in the latest 13F quarter.
Exec. VP and COO
SELL
2022-02-09 SECtraded 2022-02-07
2,500
$83.0K
+159.9%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Nov 8, 2021.
  • The trade is 3.3% of the 76,836 shares held after it.
  • 1 other insider sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Exec. VP and COO Floerke Gregory Scott sold about $83.0K of MPLX on Feb 7, 2022; 1 other insider sold within 30 days and 303 funds added in the latest 13F quarter.
SELL
2022-02-03 SECtraded 2022-02-02
28,000
$952.0K
+156.2%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Feb 1, 2022.
  • The trade is 8.4% of the 333,337 shares held after it.
  • 1 other insider sold within 30 days.
  • 303 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director SEMPLE FRANK M sold about $952.0K of MPLX on Feb 2, 2022, the largest insider sale at the company on our record; 1 other insider sold within 30 days and 303 funds added in the latest 13F quarter.
9 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Showing the latest few. to see 4 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
303 funds bought in last quarter
more than 85% of Energy
Revenue
+5.8% year over year
more than 62% of Energy
Margin
50.9% net margin
more than 98% of Energy
Buybacks
$100.0M repurchased, FY to 2026-06-30
more than 69% of Energy
Short interest
1.8% of the float short (float per yahoo 2026-10-26) · 4.2 days to cover · settled 2026-09-30
below 84% of Energy
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch MPLX

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+24.6%12M
-1%+9%+18%+28%2025-102025-122026-022026-042026-062026-082026-10
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns MPLX: institutional holders (13F)

13F holdings, latest reported quarter
28,601,592 sh
$1.6B
18,273,448 sh
$1.0B
12,956,943 sh
$729.9M
$638.2M

Congress trades in MPLX

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

MPLX planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

MPLX mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Invesco SteelPath MLP Alpha Plus Fund
$56.9M position · as of 2026-05-31
17.3%
Invesco SteelPath MLP Income Fund
$617.8M position · as of 2026-05-31
13.9%
MainGate MLP Fund
$106.6M position · as of 2026-05-31
12.7%
Global X MLP ETF
$261.5M position · as of 2026-05-31
12.4%
Invesco SteelPath MLP Alpha Fund
$140.1M position · as of 2026-05-31
12.3%
Hennessy Midstream Fund
$9.5M position · as of 2026-07-31
12.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 303 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

MPLX financials

Revenue growth
+5.8%
XBRL, annual
Net margin
50.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$13.2B
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+36.1%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$3.3B
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
n/a
no equity line filed
Cash flow to debt
0.23x
TTM operating cash flow over long-term 2026-06-30 plus current 2025-12-31 (6 months older than the period end)
Return on equity
n/a
no equity line filed
Return on assets
+11.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
+15.8%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
fewer than four consecutive quarters of diluted EPS
Enterprise value
$84.3B
market value at close 2026-10-26 on 2026-07-30 shares, plus long-term 2026-06-30 plus current 2025-12-31 (6 months older than the period end), minus cash 2026-06-30
FCF yield
+5.6%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
fewer than four consecutive quarters of diluted EPS
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$13.0B$11.9B$11.3B$11.6B
Operating income$5.9B$5.3B$4.9B$4.9B
Net income$5.0B$4.4B$3.9B$3.9B
Operating cash flow$5.9B$5.9B$5.4B$5.0B
Cash$2.1B$1.5B$1.0B$238.0M
Long-term debt$24.2B$19.3B$19.3B$18.8B
Buybacks$400.0M$326.0M$0$491.0M
SEC XBRL, fiscal years, as known on 2026-10-28

MPLX Stock Sonar score 5/7 axes

Find similar shapesCompare

MPLX ranks highest on profitability (86th percentile) and institutional and government (85th), and lowest on financial health (27th), among Energy peers.

ProfitHealthGrowthInstitutionsRisk
Profitability
86
Inputs
  • Return on equityno equity line filed
  • Return on assets+11.8% · 88 pct, sector of 129
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed+15.8% · 83 pct, sector of 110
Financial health
27
Inputs
  • Debt to equityno equity line filed
  • Cash flow to debt0.23x · 27 pct, sector of 115
Growth
41
Inputs
  • Revenue growth, YoY+5.8% · 62 pct, sector of 141
  • Backlog growth, YoY-20.3% · 20 pct, universe of 854
Institutional and government
85
Inputs
  • Funds adding, latest quarter303 · 85 pct, sector of 145
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
57
Inputs
  • Short interest, % of float+1.8% · 76 pct, sector of 167
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.10 per $1B · 6 pct, sector of 109
  • New text in Risk Factors, latest 10-K+4.5% · 90 pct, sector of 120
2 not measured: Insider conviction, US patents
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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