Lyon Shawn M — SEC Form 4 filings
SEC reporting owner CIK 1948454. 14 Form 4 filings on record with FilingPulse; latest filed 2026-09-01.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-03-05 to 2026-09-01. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 4,000 shares, $211,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 3 legs across 2 filings — 3,925 shares, $1,407,367 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: sale of 2,500 shares @ $350.00 ($875,000) in Marathon Petroleum Corp, filed 2026-08-17.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Marathon Petroleum Corp (MPC) | SVP Log & Storage, MPLX GP LLC | 8 | — | 3 legs · 3,925 sh · $1,407,367 | 15 |
| MPLX LP (MPLX) | Senior VP, Log. & Storage | 6 | 1 leg · 4,000 sh · $211,000 | — | 11 |
Form 4 filings — Lyon Shawn M
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-01 | 4 | Marathon Petroleum Corp (MPC) | Sale (S): 425 @ $368.51 · Sale (S): 1,000 @ $375.75 | EDGAR |
| 2026-08-17 | 4 | Marathon Petroleum Corp (MPC) | Sale (S): 2,500 @ $350 | EDGAR |
| 2026-03-13 | 4 | Marathon Petroleum Corp (MPC) | Gift (G): 1,186 @ $0 | EDGAR |
| 2026-03-03 | 4 | Marathon Petroleum Corp (MPC) | Grant/award (A): 1,730 @ $0 · Tax withholding (F): 257 @ $206.30 · Tax withholding (F): 237 @ $206.30 · Tax withholding (F): 279 @ $206.30 | EDGAR |
| 2026-03-03 | 4 | MPLX LP (MPLX) | Grant/award (A): 5,986 @ $0 · Tax withholding (F): 920 @ $59.22 · Tax withholding (F): 1,033 @ $59.22 · Tax withholding (F): 798 @ $59.22 | EDGAR |
| 2025-12-16 | 4 | Marathon Petroleum Corp (MPC) | Tax withholding (F): 86 @ $185.77 | EDGAR |
| 2025-12-16 | 4 | MPLX LP (MPLX) | Tax withholding (F): 245 @ $54.85 | EDGAR |
| 2025-03-11 | 4 | MPLX LP (MPLX) | Purchase (P): 4,000 @ $52.75 | EDGAR |
| 2025-03-04 | 4 | Marathon Petroleum Corp (MPC) | Grant/award (A): 2,098 @ $0 · Tax withholding (F): 480 @ $148.65 · Tax withholding (F): 189 @ $148.65 · Tax withholding (F): 240 @ $148.65 | EDGAR |
| 2025-03-04 | 4 | MPLX LP (MPLX) | Grant/award (A): 6,014 @ $0 · Tax withholding (F): 936 @ $54.34 · Tax withholding (F): 1,052 @ $54.34 | EDGAR |
| 2024-12-17 | 4 | Marathon Petroleum Corp (MPC) | Tax withholding (F): 73 @ $145.56 | EDGAR |
| 2024-12-17 | 4 | MPLX LP (MPLX) | Tax withholding (F): 317 @ $48.86 | EDGAR |
| 2024-03-05 | 4 | Marathon Petroleum Corp (MPC) | Tax withholding (F): 455 @ $172.34 · Tax withholding (F): 480 @ $172.34 · Tax withholding (F): 170 @ $172.34 · Grant/award (A): 1,778 @ $0 | EDGAR |
| 2024-03-05 | 4 | MPLX LP (MPLX) | Tax withholding (F): 936 @ $38.87 · Grant/award (A): 7,784 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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