Mannen Maryann T. Insider Trading -- Recent SEC Form 4 Transactions

Mannen Maryann T. (CIK 1408964) reported 27 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-08-04). Recent activity: Sell MPC (908 shares), Buy OC (163 shares), Sell MPC (2,236 shares), Sell MPLX (3,407 shares), Sell MPLX (3,404 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-08-04Marathon Petroleum Corp (MPC)Chairman, President & CEOSell908$283,096
2026-04-13Owens Corning (OC)DirectorBuy163$18,738
2026-03-03Marathon Petroleum Corp (MPC)Chairman, President & CEOSell2,236$461,287
2026-03-03MPLX LP (MPLX)Chairman, President & CEOSell3,407$201,763
2026-03-03MPLX LP (MPLX)Chairman, President & CEOSell3,404$201,585
2026-03-03MPLX LP (MPLX)Chairman, President & CEOSell6,409$379,541
2026-03-03Marathon Petroleum Corp (MPC)Chairman, President & CEOBuy15,266$0
2026-03-03Marathon Petroleum Corp (MPC)Chairman, President & CEOSell952$196,398
2026-03-03Marathon Petroleum Corp (MPC)Chairman, President & CEOSell778$160,501
2026-03-03MPLX LP (MPLX)Chairman, President & CEOBuy52,817$0
2026-03-03Owens Corning (OC)DirectorBuy412$50,293
2026-01-23Owens Corning (OC)DirectorBuy147$18,297
2025-11-10Owens Corning (OC)DirectorBuy439$45,744
2025-11-10Owens Corning (OC)DirectorBuy159$16,658
2025-08-12Owens Corning (OC)DirectorBuy318$45,754
2025-08-11Owens Corning (OC)DirectorBuy111$16,362
2025-08-05Marathon Petroleum Corp (MPC)President & CEOSell908$151,082
2025-05-13Owens Corning (OC)DirectorBuy335$45,707
2025-04-14Owens Corning (OC)DirectorBuy119$16,049
2025-03-04MPLX LP (MPLX)President & CEOSell3,290$178,779
2025-03-04Marathon Petroleum Corp (MPC)President & CEOBuy17,048$0
2025-03-04Marathon Petroleum Corp (MPC)President & CEOSell1,389$206,475
2025-03-04Marathon Petroleum Corp (MPC)President & CEOSell952$141,515
2025-03-04Marathon Petroleum Corp (MPC)President & CEOSell778$115,650
2025-03-04MPLX LP (MPLX)President & CEOBuy48,863$0

Source: SEC Form 4 filings · as of 2026-08-04