Insiders / Maas, Jacob

Maas, Jacob

CIK 1655513personinsider
Companies
1
First seen
Jan 21, 2026
Last activity
Jan 21, 2026
CompanyRoleShares heldPeak heldTradesLatest
Graham Holdings Co · GHCExecutive6,6577,0342—

All securities held

1 position · latest reported per filing
CompanySecuritySharesAs of
Graham Holdings CoClass B Common Stock6,657Jan 16, 2026
InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Jan 16, 2026OtherGHC
Graham Holdings Co
Class B Common Stock
$433.7K-377
-5.36%
6,657
0.16% of shares
low
Jan 16, 2026GrantGHC
Graham Holdings Co
Class B Common Stock
$0+1K
+16.57%
7,034
0.17% of shares
low