Transactions
14
Insider / Marathon Petroleum Corp
Benson Molly R
Chief Legal Ofc & Corp Sec at Marathon Petroleum Corp
- Company
- Marathon Petroleum Corp
- Ticker
- MPC
- First filing on record
- December 16, 2025
- Latest trade on record
- August 17, 2026
- SEC filings
- EDGAR ↗
Benson Molly R, Chief Legal Ofc & Corp Sec at Marathon Petroleum Corp, has disclosed 14 transactions in MPC since December 16, 2025: 0 purchases (0 open-market buys) and 7 sales, worth about $7.2M at the reported prices. The latest was filed August 19, 2026, 2 days after the trade.
Open-market buys
0
Sales
7
Avg. disclosure lag
1.9d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Benson Molly R made no purchases and 7 sales worth $6.4M, plus 7 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Benson Molly R has traded 1 stock on record; the largest by dollars is MPC.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 3 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| M | Option exercise or conversion | 6 | 34,392 | $821K |
| F | Shares withheld for tax | 4 | 910 | $186K |
| S | Open-market sale | 3 | 17,196 | $6.2M |
| A | Grant or award | 1 | 2,544 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 13 | 0 | 6 · $6.3M |
| 2025 | 1 | 0 | 1 · $20K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| MPC | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 5,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| MPC | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 5,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| MPC | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 7,196 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| MPC | Sell S | August 17, 2026 | August 19, 2026 | 2d | 5,000 | $359 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| MPC | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 5,000 | $48 | $239K | 10b5-1 plan | Form 4 ↗ | |
| MPC | Sell S | August 17, 2026 | August 19, 2026 | 2d | 5,000 | $359 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| MPC | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 5,000 | $48 | $239K | 10b5-1 plan | Form 4 ↗ | |
| MPC | Sell S | August 17, 2026 | August 19, 2026 | 2d | 7,196 | $359 | $2.6M | 10b5-1 plan | Form 4 ↗ | |
| MPC | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 7,196 | $48 | $343K | 10b5-1 plan | Form 4 ↗ | |
| MPC | Sell F | March 2, 2026 | March 3, 2026 | 1d | 348 | $206 | $72K | Form 4 ↗ | ||
| MPC | Sell F | March 2, 2026 | March 3, 2026 | 1d | 284 | $206 | $59K | Form 4 ↗ | ||
| MPC | Sell F | March 2, 2026 | March 3, 2026 | 1d | 171 | $206 | $35K | Form 4 ↗ | ||
| MPC | Other A | March 1, 2026 | March 3, 2026 | 2d | 2,544 | — | — | Form 4 ↗ | ||
| MPC | Sell F | December 12, 2025 | December 16, 2025 | 4d | 107 | $186 | $20K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| August 19, 2026 | Form 4 | 0001193125-26-356892 | 9 | published | EDGAR ↗ |
| March 3, 2026 | Form 4 | 0002005019-26-000003 | 4 | published | EDGAR ↗ |
| December 16, 2025 | Form 4 | 0001193125-25-320695 | 1 | published | EDGAR ↗ |
Other insiders at Marathon Petroleum Corp
- Henschen Michael A II Ex VP, Refining 12 rows
- Hessling Ricky D. Chief Commercial Officer 12 rows
- Lyon Shawn M SVP Log & Storage, MPLX GP LLC 9 rows
- Mannen Maryann T. Chairman, President & CEO 8 rows
- Brzezinski Erin M VP and Controller 5 rows
- Floerke Gregory Scott Ex VP & COO, MPLX GP LLC 5 rows
- Rucker Kim K.W. Director 5 rows
- Bayh Evan Director 4 rows
- SURMA JOHN P Director 4 rows
- COHEN JONATHAN Z Director 3 rows
Everyone on file, with contracts and lobbying under the company's name: Marathon Petroleum Corp.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 3 | 14 | December 16, 2025 | August 19, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.