Insiders / Lyon Shawn M

Lyon Shawn M

CIK 1948454personinsider
Companies
2
First seen
Mar 3, 2026
Last activity
Mar 13, 2026

Companies

CompanyRoleShares heldPeak heldTradesLatest
Mplx LP · MPLXExecutive28,28931,0404
Marathon Petroleum Corp · MPCExecutive15,11917,0785

All securities held

2 positions · latest reported per filing
CompanySecuritySharesAs of
Marathon Petroleum CorpCommon Stock15,119Mar 11, 2026
Mplx LPCommon Units (Limited Partner Interests)28,289Mar 2, 2026

Activity

InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Mar 2, 2026OtherMPLX
Mplx LP
Common Units (Limited Partner Interests)
$61.2K-1K
-3.43%
29,087
<0.01% of shares
low
Mar 2, 2026OtherMPC
Marathon Petroleum Corp
Common Stock
$57.6K-279
-1.68%
16,305
<0.01% of shares
low
Mar 2, 2026OtherMPLX
Mplx LP
Common Units (Limited Partner Interests)
$54.5K-920
-2.96%
30,120
<0.01% of shares
low
Mar 2, 2026OtherMPC
Marathon Petroleum Corp
Common Stock
$53.0K-257
-1.50%
16,821
<0.01% of shares
low
Mar 2, 2026OtherMPC
Marathon Petroleum Corp
Common Stock
$48.9K-237
-1.41%
16,584
<0.01% of shares
low
Mar 2, 2026OtherMPLX
Mplx LP
Common Units (Limited Partner Interests)
$47.3K-798
-2.74%
28,289
<0.01% of shares
low
Mar 1, 2026GrantMPLX
Mplx LP
Common Units (Limited Partner Interests)
$0+6K
+23.89%
31,040
<0.01% of shares
low
Mar 11, 2026GiftMPC
Marathon Petroleum Corp
Common Stock
$0-1K
-7.27%
15,119
<0.01% of shares
low
Mar 1, 2026GrantMPC
Marathon Petroleum Corp
Common Stock
$0+2K
+11.27%
17,078
<0.01% of shares
low