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M
Maas, Jacob
Open-market buys
0
$0 total
Open-market sells
0
$0 total
Tracking since
N/A
Activity timeline
No individual transactions on file yet — aggregate totals above are current.
Holdings as last reported
7,156 Class B Common Stock in GHC
Held directly · as of 2026-08-28
Companies touched
Graham Holdings Co
CIK 0000104889
