11 transactions on file, per SEC Form 4 filings.
See CMCSA superinvestor activity →ROBERTS BRIAN L
Chairman of Board & Co-CEO · 2026-09-02
G-Gift
101,900 sh
Cavanagh Michael J
Co-CEO · 2026-09-01
I-Discretionary
392,769.065 sh
Cavanagh Michael J
Co-CEO · 2026-09-01
I-Discretionary
565,642 sh
ROBERTS BRIAN L
Chairman of Board & Co-CEO · 2026-09-01
I-Discretionary
382,860 sh
BREEN EDWARD D
director · 2026-08-17
G-Gift
62,440 sh
ROBERTS BRIAN L
Chairman of Board & Co-CEO · 2026-08-05
G-Gift
204,100 sh
Smith Gordon
director · 2026-06-30
Award
1,375 sh
Honickman Jeffrey A
director · 2026-06-30
Award
1,783 sh
BREEN EDWARD D
director · 2026-06-30
Award
815 sh
Brady Louise F.
director · 2026-06-30
Award
1,375 sh
Baltimore Thomas J Jr
director · 2026-06-30
Award
1,375 sh
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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