10 transactions on file, per SEC Form 4 filings.
See GHC superinvestor activity →Maas, Jacob
Executive VP · 2026-08-28
Award
1,000 sh
Maas, Jacob
Executive VP · 2026-08-28
Tax withholding
$581K
O'Shaughnessy Timothy J
President and CEO · 2026-08-13
J-Other
4,211 sh
O'Shaughnessy Laura
10% owner · 2026-08-13
J-Other
4,211 sh
GRAHAM DONALD
director · 2026-08-13
J-Other
12,633 sh
WAGONER G RICHARD JR
director · 2026-07-01
Award
$24K
MULCAHY ANNE M
director · 2026-07-01
Award
$24K
Markell Jack A.
director · 2026-07-01
Award
$8K
Davis Christopher C
director · 2026-07-01
Award
$27K
CONLEY DANIELLE Y.
director · 2026-07-01
Award
$22K
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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