Updated Jul 16, 2026
Mannen Maryann T. has filed 2 SEC Form 4 filings across 1 company in the last 90 days.
Maryann T. Mannen is a corporate executive known for her roles as President and CEO of Owens Corning, as well as serving as a Director at Marathon Petroleum Corp. She has extensive experience in the manufacturing sector, particularly in building materials and composites.
| Role | Director |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-13 | OC | Owens Corning | A — Grant or award | 163 | $114.95 | $19K |
| 2026-03-04 | MPLX | MPLX LP | F — Tax withholding / forfeiture | 6.4K | $59.22 | $380K |
| 2026-03-04 | MPLX | MPLX LP | F — Tax withholding / forfeiture | 3.4K | $59.22 | $202K |
| 2026-03-04 | MPLX | MPLX LP | F — Tax withholding / forfeiture | 3.4K | $59.22 | $202K |
| 2026-03-04 | MPLX | MPLX LP | A — Grant or award | 52.8K | $0.00 | |
| 2026-03-04 | MPC | Marathon Petroleum Corp | F — Tax withholding / forfeiture | 2.2K | $206.30 | $461K |
| 2026-03-04 | MPC | Marathon Petroleum Corp | F — Tax withholding / forfeiture | 778 | $206.30 | $161K |
| 2026-03-04 | MPC | Marathon Petroleum Corp | F — Tax withholding / forfeiture | 952 | $206.30 | $196K |
| 2026-03-04 | MPC | Marathon Petroleum Corp | A — Grant or award | 15.3K | $0.00 | |
| 2026-03-03 | OC | Owens Corning | A — Grant or award | 412 | $122.07 | $50K |
| 2026-01-23 | OC | Owens Corning | A — Grant or award | 147 | $124.68 | $18K |
| 2025-08-08 | OC | Owens Corning | A — Grant or award | 318 | $143.88 | $46K |
| 2025-08-07 | OC | Owens Corning | A — Grant or award | 111 | $147.17 | $16K |
| 2025-08-01 | MPC | Marathon Petroleum Corp | F — Tax withholding / forfeiture | 908 | $166.39 | $151K |
| 2024-11-12 | OC | Owens Corning | A — Grant or award | 240 | $190.44 | $46K |
| 2024-11-06 | OC | Owens Corning | A — Grant or award | 82 | $179.40 | $15K |
Maryann T. Mannen is a corporate executive known for her roles as President and CEO of Owens Corning, as well as serving as a Director at Marathon Petroleum Corp. She has extensive experience in the manufacturing sector, particularly in building materials and composites.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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