Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| MPAA | Whittaker Barbara L | Director | 09/05/2026 | Optionsausübung | — | 6,882 | — | Form 4 |
| MPAA | Bryan David | Director | 09/05/2026 | Optionsausübung | — | 6,882 | — | Form 4 |
| MPAA | Ferguson Joseph Edwin | Director | 09/05/2026 | Optionsausübung | — | 6,882 | — | Form 4 |
| MPAA | Mirvis Jeffrey P | Director | 09/05/2026 | Optionsausübung | — | 6,882 | — | Form 4 |
| MPAA | Gay Philip | Director | 09/05/2026 | Optionsausübung | — | 6,882 | — | Form 4 |
| MPWR | Tseng Saria | EVP & General Counsel | 08/31/2026 | Schenkung | — | 2,000 | — | Form 4 |
| MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | 08/31/2026 | Verkauf | 375.75 | 1,000 | 375,750 | Form 4 |
| MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | 08/28/2026 | Verkauf | 368.51 | 425 | 156,617 | Form 4 |
| MPC | Brzezinski Erin M | VP and Controller | 08/27/2026 | Verkauf | 362.79 | 570 | 206,790 | Form 4 |
| MPWR | Dean Robert W Ii | Interim CFO | 08/24/2026 | J | — | 5 | — | Form 4 |
| MPWR | Dean Robert W Ii | Interim CFO | 08/24/2026 | Verkauf | 1,297.72 | 32 | 41,527 | Form 4 |
| MPWR | Chang Kuo Wei Herbert | Director | 08/24/2026 | Verkauf | 1,281.57 | 50 | 64,079 | Form 4 |
| MPT | Hanna James Kevin | Senior VP, Controller & CAO | 08/20/2026 | Kauf | 4.15 | 2,300 | 9,545 | Form 4 |
| MPC | Benson Molly R | Chief Legal Ofc & Corp Sec | 08/17/2026 | Verkauf | 358.57 | 5,000 | 1,792,850 | Form 4 |
| MPC | Benson Molly R | Chief Legal Ofc & Corp Sec | 08/17/2026 | Optionsausübung | 47.73 | 5,000 | 238,650 | Form 4 |
| MPC | Benson Molly R | Chief Legal Ofc & Corp Sec | 08/17/2026 | Verkauf | 358.57 | 7,196 | 2,580,270 | Form 4 |
| MPC | Benson Molly R | Chief Legal Ofc & Corp Sec | 08/17/2026 | Optionsausübung | 47.73 | 7,196 | 343,465 | Form 4 |
| MPLT | Kreitzer Anatol | Chief Discovery Officer | 08/17/2026 | Zuteilung | — | 6,020 | — | Form 4 |
| MPLT | Foff Erin Pennock | Chief Medical Officer | 08/17/2026 | Zuteilung | — | 13,360 | — | Form 4 |
| MPLT | Hanson Kristopher | General Counsel | 08/17/2026 | Zuteilung | — | 7,730 | — | Form 4 |
| MPLT | Lillie James Woodruff | Chief Scientific Officer | 08/17/2026 | Zuteilung | — | 7,730 | — | Form 4 |
| MPLT | Gillis Jonathan | CAO and Interim CFO | 08/17/2026 | Zuteilung | — | 2,222 | — | Form 4 |
| MPLT | Gillis Jonathan | CAO and Interim CFO | 08/17/2026 | Zuteilung | — | 6,020 | — | Form 4 |
| MPLT | Kroeger Christopher A. | Chief Executive Officer | 08/17/2026 | Zuteilung | — | 23,145 | — | Form 4 |
| MPWR | Dean Robert W Ii | Interim CFO | 08/17/2026 | Verkauf | 1,413.64 | 6 | 8,482 | Form 4 |
| MPLT | Catalyst4, Inc. | 10% Owner | 08/14/2026 | Kauf | 11.38 | 4,400,000 | 50,072,000 | Form 4 |
| MPLX | Peiffer Garry L. | Director | 08/14/2026 | Zuteilung | — | 1,232 | — | Form 4 |
| MPLX | Walker Ray N JR | Director | 08/14/2026 | Zuteilung | — | 82 | — | Form 4 |
| MPLX | Surma John P | Director | 08/14/2026 | Zuteilung | — | 1,563 | — | Form 4 |
| MPLX | Stice J Michael | Director | 08/14/2026 | Zuteilung | — | 983 | — | Form 4 |
| MPLX | Semple Frank M | Director | 08/14/2026 | Zuteilung | — | 1,073 | — | Form 4 |
| MPLX | Helms Christopher A | Director | 08/14/2026 | Zuteilung | — | 1,337 | — | Form 4 |
| MPLX | Breves Christine S | Director | 08/14/2026 | Zuteilung | — | 219 | — | Form 4 |
| MPC | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | 08/13/2026 | Verkauf | 350.00 | 2,500 | 875,000 | Form 4 |
| MPC | Henschen Michael A II | Ex VP, Refining | 08/12/2026 | Verkauf | 341.56 | 6,011 | 2,053,099 | Form 4 |
| MPTI | Biles Linda M | Executive VP - Finance | 08/11/2026 | Verkauf | 85.05 | 1,218 | 103,591 | Form 4 |
| MPWR | Chang Kuo Wei Herbert | Director | 08/11/2026 | Verkauf | 1,420.00 | 50 | 71,000 | Form 4 |
| MPWR | Dean Robert W Ii | Interim CFO | 08/05/2026 | Verkauf | 1,344.27 | 105 | 141,148 | Form 4 |
| MPWR | Sciammas Maurice | EVP, WW Sales & Marketing | 08/04/2026 | Schenkung | — | 25,000 | — | Form 4 |
| MPWR | Sciammas Maurice | EVP, WW Sales & Marketing | 08/03/2026 | Verkauf | 1,343.94 | 30 | 40,318 | Form 4 |
| MPC | Mannen Maryann T. | Chairman, President & CEO | 08/03/2026 | Steuer-Abgabe | 311.78 | 908 | 283,096 | Form 4 |
| MPLT | Lillie James Woodruff | Chief Scientific Officer | 08/03/2026 | Verkauf | 12.54 | 22,082 | 276,908 | Form 4 |
| MPLT | Catalyst4, Inc. | 10% Owner | 07/30/2026 | Kauf | 13.00 | 1,000,000 | 13,000,000 | Form 4 |
| MPLT | Catalyst4, Inc. | 10% Owner | 07/29/2026 | Kauf | 12.63 | 3,000 | 37,890 | Form 4 |
| MPLT | Catalyst4, Inc. | 10% Owner | 07/28/2026 | Kauf | 11.69 | 65,137 | 761,393 | Form 4 |
| MPLT | Catalyst4, Inc. | 10% Owner | 07/28/2026 | Kauf | 10.74 | 141,088 | 1,515,511 | Form 4 |
| MPLT | Cox Troy | Director | 07/28/2026 | Kauf | 9.52 | 15,620 | 148,702 | Form 4 |
| MPWR | Dean Robert W Ii | Interim CFO | 07/25/2026 | Zuteilung | — | 1,359 | — | Form 4 |
| MPLT | Kreitzer Anatol | Chief Discovery Officer | 07/17/2026 | Verkauf | 38.39 | 200 | 7,678 | Form 4 |
| MPLT | Kreitzer Anatol | Chief Discovery Officer | 07/17/2026 | Verkauf | 37.70 | 14,140 | 533,078 | Form 4 |
| MPLT | Kreitzer Anatol | Chief Discovery Officer | 07/17/2026 | Verkauf | 37.05 | 2,833 | 104,963 | Form 4 |
| MPLT | Gillis Jonathan | CAO and Interim CFO | 07/17/2026 | Verkauf | 38.17 | 900 | 34,353 | Form 4 |
| MPLT | Gillis Jonathan | CAO and Interim CFO | 07/17/2026 | Verkauf | 37.61 | 16,969 | 638,204 | Form 4 |
| MPLT | Gillis Jonathan | CAO and Interim CFO | 07/17/2026 | Verkauf | 36.51 | 600 | 21,906 | Form 4 |
| MPLT | Foff Erin Pennock | Chief Medical Officer | 07/17/2026 | Verkauf | 37.90 | 3,656 | 138,562 | Form 4 |
| MPLT | Hanson Kristopher | General Counsel | 07/17/2026 | Verkauf | 37.90 | 1,130 | 42,827 | Form 4 |
| MPLT | Lillie James Woodruff | Chief Scientific Officer | 07/17/2026 | Verkauf | 37.90 | 2,077 | 78,718 | Form 4 |
| MPLT | Kroeger Christopher A. | Chief Executive Officer | 07/17/2026 | Verkauf | 37.90 | 16,779 | 635,924 | Form 4 |
| MPLT | Kreitzer Anatol | Chief Discovery Officer | 07/16/2026 | Verkauf | 37.44 | 1,592 | 59,604 | Form 4 |
| MPLT | Kreitzer Anatol | Chief Discovery Officer | 07/16/2026 | Verkauf | 36.66 | 7,464 | 273,630 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).