Analysis: David J. Taylor's sell of MPC (Marathon Petroleum Corp)

Assessment: On watch

A rapid 9-day disclosure of a routine MPC sale that directly aligns with the member's pipeline oversight committee, but is highly likely to be a routine rebalancing transaction to fund same-day stock purchases.

• Member: David J. Taylor
• Party / state: Republican-OH
• Chamber: House
• Transaction: Sell
• Amount: $1,001 - $15,000
• Ticker: MPC
• Company: Marathon Petroleum Corp
• Trade date: 2026-09-22
• Disclosure date: 2026-10-01
• Disclosure lag: 9 days

Executive summary

Rep. David J. Taylor (R-OH-2) reported a sale of Marathon Petroleum Corp (MPC) on 2026-09-22 in the $1,001-$15,000 range, disclosed 9 days later on 2026-10-01; the same day he also reported purchases of HD and AMGN in the same dollar range (user-provided history). Public-source context captured within the tool limit includes multiple Federal Register items affecting the fuel/hazardous materials transportation sector, including a PHMSA notice listing Marathon Petroleum Company LP as a special permit applicant (91 FR 50917, published 2026-08-06).

Based on the user-provided trading history, MPC appears as a repeated ticker with 6 total trades (1 purchase, 5 sales) between 2025-07-18 and 2026-09-22, with the analyzed transaction being the most recent sale. The analyzed MPC sale was part of a same-day batch that also included two purchases (HD and AMGN), each in the same reported dollar range as the MPC sale. Primary-source regulatory items identified within the available search results include (i) a PHMSA notice (published 2026-08-06) listing Marathon Petroleum Company LP as an applicant for a hazardous materials special permit related to transporting residue petroleum crude oil for pipeline pigging operations, and (ii) a PHMSA final rule (published 2026-01-14; effective 2026-02-13) making sector-wide changes to hazardous materials regulations affecting fuel transportation. SEC items available from the provided EDGAR enrichment include two 8-K filings in the months prior to the trade date and a small set of Form 4 insider sales in late August 2026. Additional required context (committee schedule activity, full 10-K risk-factor/regulatory excerpts, comprehensive USAspending award lists near the trade date, and news searches) could not be completed due to the web search tool’s maximum-results cap.

Timeline

• 2026-01-14 — PHMSA final rule published: Hazardous Materials: Eliminating Unnecessary Regulatory Burdens on Fuel Transportation (effective 2026-02-13).
• 2026-02-26 — Marathon Petroleum Corp filed Form 10-K for fiscal year ended 2025-12-31 (Acc-no 0001510295-26-000009).
• 2026-03-09 — FWS proposed rule published regarding incidental take regulations for oil and gas activities in Alaska; list of companies in request includes Marathon Petroleum Corporation.
• 2026-06-29 — MPC filed 8-K (report date 2026-06-26) Item 8.01: informed of the passing of a director (per deterministic SEC EDGAR enrichment excerpt).
• 2026-08-04 — MPC filed 8-K Items 2.02 and 9.01: press release announcing financial results for quarter ended 2026-06-30 (press release exhibit attached).
• 2026-08-04 — MPC earnings release exhibit attached to 8-K includes summary bullets such as second-quarter net income attributable to MPC and adjusted EBITDA (per exhibit excerpt).
• 2026-08-06 — PHMSA notice published listing applications for special permits; includes Marathon Petroleum Company LP application 22341-N; comment deadline 2026-09-08.
• 2026-08-27 — Form 4-listed insider sale: Erin M. Brzezinski (VP and Controller) sold shares at $362.79 (per deterministic enrichment).
• 2026-08-28 — Form 4-listed insider sale: Shawn M. Lyon sold shares at $368.51 (per deterministic enrichment).
• 2026-08-31 — Form 4-listed insider sale: Shawn M. Lyon sold shares at $375.75 (per deterministic enrichment).
• 2026-09-22 — Rep. David J. Taylor sold MPC ($1,001-$15,000). Same-day additional activity: purchased HD and purchased AMGN (each $1,001-$15,000) (per user-provided trade history).
• 2026-10-01 — Disclosure filed for 2026-09-22 transactions (MPC sale; HD and AMGN purchases) (per user-provided trade record).

Independent analysis of public financial disclosures. Not financial or investment advice.

Sources

1. S. 977
2. https://www.congress.gov/119/bills/hr10256/BILLS-119hr10256ih.htm
3. H. R. 9035
4. https://www.congress.gov/113/bills/hr4899/BILLS-113hr4899eh.pdf
5. Text - S.393 - 119th Congress (2025-2026): Banning SPR Oil Exports to Foreign Adversaries Act | Congress.gov | Library of Congress
6. Text - H.R.7960 - 119th Congress (2025-2026): Big Oil Windfall Profits Tax Act | Congress.gov | Library of Congress
7. https://www.congress.gov/119/bills/hr1135/BILLS-119hr1135ih.htm
8. The U.S. Oil Refining Industry: Background in Changing Markets and Fuel Policies
9. https://www.congress.gov/110/crec/2008/05/02/154/72/modified/CREC-2008-05-02-pt1-PgS3737-2.htm
10. Petroleum Coke: Industry and Environmental Issues
11. U.S. Gasoline Prices: An Introduction | Congress.gov | Library of Congress
12. https://www.congress.gov/crs_external_products/R/PDF/R43682/R43682.4.pdf
13. David J. Taylor
14. David J. Taylor - District Map
15. EDGAR Search Results
16. 43e41539 0419 4366 89b7 953d168b874a.html
17. Marathon Petroleum Corp (Form: 10-K, Received: 02/26/2026 13:31:03)
18. EDGAR Search Results
19. EDGAR Entity Landing Page - SEC.gov
20. EDGAR Filing Documents for 0001510295-26-000009
21. Marathon Petroleum Corp (MPC) SEC EDGAR Filings, CIK 0001510295 — 10-K, 8-K | edgar.tools
22. https://www.sec.gov/Archives/edgar/data/1510295/000151029526000061/R53.htm
23. https://www.sec.gov/Archives/edgar/data/1510295/000151029526000061/R30.htm
24. Hazardous Materials: Notice of Applications for New ...
25. Marine Mammals; Incidental Take of Polar Bears and ...
26. Hazardous Materials: Eliminating Unnecessary Regulatory ...
27. Granting of Requests for Early Termination of the Waiting ...
28. EPA Determinations of Compliance and Applicability ...
29. MARATHON PETROLEUM COMPANY LP | Federal Award ...
30. CONTRACT to MARATHON PETROLEUM COMPANY LP | USAspending
31. IDV to MARATHON PETROLEUM COMPANY LP | USAspending
32. Renewable Fuel Standard (RFS) Program: Standards for 2023–2025 and Other Changes - Response to Comments (EPA-420-R-23-014, June 2023)
33. FR Doc E8-21209
34. https://downloads.regulations.gov/EPA-R09-OAR-2014-0785-0016/attachment_1.pdf
35. Federal Register, Volume 82 Issue 14 (Tuesday, January 24, 2017)
36. https://downloads.regulations.gov/MARAD-2019-0011-0140/attachment_2.pdf
37. H.R.26 - 119th Congress (2025-2026): Protecting American Energy Production Act | Congress.gov | Library of Congress
38. All Info - H.R.7960 - 119th Congress (2025-2026): Big Oil Windfall Profits Tax Act | Congress.gov | Library of Congress
39. All Info - H.R.8108 - 119th Congress (2025-2026): End Polluter Welfare for Enhanced Oil Recovery Act of 2026 | Congress.gov | Library of Congress
40. https://www.congress.gov/119/bills/hr7960/BILLS-119hr7960ih.htm
41. https://www.congress.gov/119/crec/2025/02/07/171/26/modified/CREC-2025-02-07-pt1-PgH561-4.htm
42. - A THREAT TO AMERICA'S CHILDREN: THE TRUMP ADMINISTRATION'S PROPOSAL TO UNDERMINE PROTECTIONS FROM MERCURY AIR TOXICS STANDARDS
43. HEARING
44. "Fueling the Climate Crisis: Examining Big Oil’s Prices, Profits, and Pledges" | Congress.gov | Library of Congress
45. HEARING
46. Strengthening American Energy: A Review of Pipeline Safety Policy. | Congress.gov | Library of Congress
47. sec.gov
48. sec.gov
49. sec.gov
50. sec.gov
51. sec.gov

David J. Taylor · MPC · Trading news