Marathon Petroleum Corporation
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Marathon Petroleum Corporation (MPC) SEC Filings
Browse all Marathon Petroleum Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more
Marathon Petroleum Corporation Reports: Annual 10-K, Quarterly 10-Q & SEC Filings
SEC Filings
Date
2026
8-K
Material company events (earnings, M&A, or leadership changes)
SC 13G/A
Updated passive ownership disclosure
4
Insider ownership (buying, selling) activity
DEF 14A
Final shareholder voting details (board elections and executive pay)
DEFA14A
Additional or supplemental proxy disclosures
ARS
Annual Report to Shareholders
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
PRE 14A
Preliminary proxy statement filed for SEC review
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
10-K
Annual financial results and management updates
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
3
Initial disclosure of insider ownership
2025
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
10-Q
Quarterly financial results and management updates
8-K
Material company events (earnings, M&A, or leadership changes)
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
10-Q
Quarterly financial results and management updates
8-K
Material company events (earnings, M&A, or leadership changes)
SC 13G/A
Updated passive ownership disclosure
4
Insider ownership (buying, selling) activity
11-K
Annual performance report of employee stock plans
3
Initial disclosure of insider ownership
Marathon Petroleum Corporation (Form 8-K) 2026
Current Events / Material company events (earnings, M&A, or leadership changes)
Apr 13, 2026
