Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 6 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

6 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 15, 2017 MPLX S 10b5-1 15,000 $36.20 $543,000 177,552 Direct -7.79% Disposed 58.5% (price as of 2026-10-05)
Feb. 15, 2017 MPLX S 10b5-1 15,000 $38.61 $579,150 174,666 Direct -7.91% Disposed 48.6% (price as of 2026-10-05)
Jan. 17, 2017 MPLX S 10b5-1 15,000 $36.08 $541,200 189,666 Direct -7.33% Disposed 59.0% (price as of 2026-10-05)
Dec. 21, 2016 MPLX S 10b5-1 7,855 $33.01 $259,294 204,666 Direct -3.70% Disposed 73.8% (price as of 2026-10-05)
Dec. 20, 2016 MPLX S 10b5-1 7,145 $33.01 $235,856 212,521 Direct -3.25% Disposed 73.8% (price as of 2026-10-05)
Nov. 15, 2016 MPLX S 10b5-1 15,000 $33.07 $496,050 223,585 Direct -6.29% Disposed 73.5% (price as of 2026-10-05)
Oct. 31, 2016 MPLX S 10b5-1 15,000 $34.03 $510,450 238,585 Direct -5.92% Disposed 68.6% (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 1, 2017 MPC Stock Option (right to buy) Common Stock (9,551) $50.99 March 1, 2027 9,551 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Oct. 11, 2016 MPLX Common Units (Limited Partner Interests) 253,585 Direct