Insiders / Mannen Maryann T.

Mannen Maryann T.

CIK 1408964personinsider
Companies
4
First seen
Jan 23, 2026
Last activity
Jun 15, 2026

Companies

CompanyRoleShares heldPeak heldTradesLatest
Mplx LP · MPLXCEO165,459178,6794
Marathon Petroleum Corp · MPCCEO111,847115,8134
Owens Corning · OCDirector27,41027,4103
Prudential Financial Inc · PRUDirector1,7772

All securities held

4 positions · latest reported per filing
CompanySecuritySharesAs of
Marathon Petroleum CorpCommon Stock111,847Mar 2, 2026
Mplx LPCommon Units (Limited Partner Interests)165,459Mar 2, 2026
Owens Corning$.01 Par Value Common27,410Apr 9, 2026
Prudential Financial Inc2026 Restricted Stock UnitsDerivative1,777Jun 11, 2026

Activity

InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Mar 2, 2026OtherMPC
Marathon Petroleum Corp
Common Stock
$461.3K-2K
-1.96%
111,847
0.04% of shares
low
Mar 2, 2026OtherMPLX
Mplx LP
Common Units (Limited Partner Interests)
$379.5K-6K
-3.73%
165,459
0.02% of shares
low
Mar 2, 2026OtherMPLX
Mplx LP
Common Units (Limited Partner Interests)
$201.8K-3K
-1.91%
175,272
0.02% of shares
low
Mar 2, 2026OtherMPLX
Mplx LP
Common Units (Limited Partner Interests)
$201.6K-3K
-1.94%
171,868
0.02% of shares
low
Mar 2, 2026OtherMPC
Marathon Petroleum Corp
Common Stock
$196.4K-952
-0.82%
114,861
0.04% of shares
low
Mar 2, 2026OtherMPC
Marathon Petroleum Corp
Common Stock
$160.5K-778
-0.68%
114,083
0.04% of shares
low
Feb 27, 2026GrantOC
Owens Corning
$.01 Par Value Common
$50.3K+412
+1.54%
27,247
0.03% of shares
low
Apr 9, 2026GrantOC
Owens Corning
$.01 Par Value Common
$18.7K+163
+0.60%
27,410
0.03% of shares
low
Jan 21, 2026GrantOC
Owens Corning
$.01 Par Value Common
$18.3K+147
+0.55%
26,835
0.03% of shares
low
Mar 1, 2026GrantMPLX
Mplx LP
Common Units (Limited Partner Interests)
$0+53K
+41.96%
178,679
0.02% of shares
low