Maryann T. Mannen

Insider Reports History

Location
Findlay, OH
Signature
/s/ Katherine M. Serevitch, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Maryann T. Mannen:

Company Role Class Num Shares Value Price $ Report Date Ownership
Marathon Petroleum Corp President & CEO, Director Common Stock 100,547 $16,730,015 $166.39 01 Aug 2025 Direct
MPLX LP President & CEO, Director Common Units (Limited Partner Interests) 125,862 $6,839,341 $54.34 03 Mar 2025 Direct
MPLX LP President & CEO, Director Common Units (Limited Partner Interests) 87,100 $3,385,577 $38.87 01 Mar 2024 Direct
Owens Corning Director $.01 Par Value Common 26,688 $2,780,917 $104.20 07 Nov 2025 Direct

Insider Reports Filed by Maryann T. Mannen

Symbol Company Period Transactions Value $ Form Type Role Filing Time
OC Owens Corning 06 Nov 2025 2 +$62,402 4 Director 10 Nov 2025, 16:25
OC Owens Corning 08 Aug 2025 1 +$45,754 4 Director 12 Aug 2025, 16:09
OC Owens Corning 07 Aug 2025 1 +$16,363 4 Director 11 Aug 2025, 16:16
MPC Marathon Petroleum Corp 01 Aug 2025 1 -$151,082 4 President & CEO, Director 05 Aug 2025, 16:12
OC Owens Corning 09 May 2025 1 +$45,707 4 Director 13 May 2025, 16:11
OC Owens Corning 10 Apr 2025 1 +$16,049 4 Director 14 Apr 2025, 16:21
MPC Marathon Petroleum Corp 01 Mar 2025 4 -$463,639 4 President & CEO, Director 04 Mar 2025, 19:21
MPLX MPLX LP 01 Mar 2025 4 -$548,888 4 President & CEO, Director 04 Mar 2025, 19:00
OC Owens Corning 26 Feb 2025 1 +$45,691 4 Director 28 Feb 2025, 16:31
OC Owens Corning 17 Jan 2025 1 +$15,785 4 Director 22 Jan 2025, 16:12
OC Owens Corning 08 Nov 2024 1 +$45,706 4 Director 12 Nov 2024, 16:10
OC Owens Corning 04 Nov 2024 1 +$14,701 4 Director 06 Nov 2024, 16:44
OC Owens Corning 08 Aug 2024 1 +$45,760 4 Director 12 Aug 2024, 16:11
OC Owens Corning 02 Aug 2024 1 +$14,474 4 Director 06 Aug 2024, 16:31
MPC Marathon Petroleum Corp 01 Aug 2024 1 $0 4 President & CEO, Director 05 Aug 2024, 16:16
OC Owens Corning 26 Apr 2024 1 +$45,832 4 Director 29 Apr 2024, 20:00
OC Owens Corning 04 Apr 2024 1 +$14,260 4 Director 08 Apr 2024, 18:09
MPLX MPLX LP 01 Mar 2024 4 -$429,241 4 Director 05 Mar 2024, 07:44
MPC Marathon Petroleum Corp 01 Mar 2024 4 -$760,019 4 President 05 Mar 2024, 07:20
OC Owens Corning 16 Feb 2024 1 +$45,764 4 Director 20 Feb 2024, 17:51
MPC Marathon Petroleum Corp 01 Feb 2024 1 -$1,721,930 4 President 05 Feb 2024, 11:44
OC Owens Corning 19 Jan 2024 1 +$14,007 4 Director 23 Jan 2024, 18:00
OC Owens Corning 03 Nov 2023 1 +$11,891 4 Director 07 Nov 2023, 16:38
OC Owens Corning 27 Oct 2023 1 +$42,716 4 Director 30 Oct 2023, 16:56
OC Owens Corning 04 Aug 2023 1 +$11,688 4 Director 08 Aug 2023, 16:50
OC Owens Corning 28 Jul 2023 1 +$42,721 4 Director 01 Aug 2023, 16:29
OC Owens Corning 28 Apr 2023 1 +$42,724 4 Director 02 May 2023, 16:25
OC Owens Corning 06 Apr 2023 1 +$11,417 4 Director 10 Apr 2023, 16:27
MPLX MPLX LP 01 Mar 2023 3 -$263,747 4 Director 03 Mar 2023, 14:35
MPC Marathon Petroleum Corp 01 Mar 2023 3 -$437,506 4 Exec VP & Chief Fin Ofc 03 Mar 2023, 14:22
OC Owens Corning 17 Feb 2023 1 +$42,770 4 Director 21 Feb 2023, 15:17
MPC Marathon Petroleum Corp 01 Feb 2023 1 -$1,154,257 4 Exec VP & Chief Fin Ofc 03 Feb 2023, 09:59
OC Owens Corning 19 Jan 2023 1 $0 4 Director 23 Jan 2023, 16:06
OC Owens Corning 03 Nov 2022 1 $0 4 Director 07 Nov 2022, 16:12
OC Owens Corning 28 Oct 2022 1 $0 4 Director 01 Nov 2022, 16:28
OC Owens Corning 04 Aug 2022 1 $0 4 Director 08 Aug 2022, 16:41
OC Owens Corning 29 Jul 2022 1 $0 4 Director 02 Aug 2022, 16:52
OC Owens Corning 29 Apr 2022 1 $0 4 Director 03 May 2022, 16:26
OC Owens Corning 07 Apr 2022 1 $0 4 Director 11 Apr 2022, 17:19
MPLX MPLX LP 01 Mar 2022 2 -$141,810 4 Director 03 Mar 2022, 16:01
MPC Marathon Petroleum Corp 01 Mar 2022 2 -$158,982 4 Exec VP & Chief Fin Ofc 03 Mar 2022, 15:50
OC Owens Corning 18 Feb 2022 1 $0 4 Director 22 Feb 2022, 15:20
MPC Marathon Petroleum Corp 01 Feb 2022 1 -$605,074 4 Exec VP & Chief Fin Ofc 03 Feb 2022, 08:40
OC Owens Corning 21 Jan 2022 1 $0 4 Director 25 Jan 2022, 15:19
OC Owens Corning 05 Nov 2021 1 $0 4 Director 09 Nov 2021, 15:30
OC Owens Corning 29 Oct 2021 1 $0 4 Director 02 Nov 2021, 16:05
OC Owens Corning 06 Aug 2021 1 $0 4 Director 10 Aug 2021, 16:26
OC Owens Corning 30 Jul 2021 1 $0 4 Director 03 Aug 2021, 16:21